Attachment 2 MAHG201151 Replace Covered Entry Triangle Chapel B7402_SPECS.pdf

SECTION 06 10 00_1/2

SECTION 06 10 00

ROUGH CARPENTRY

PART 1 – GENERAL

1.1 SUMMARY

A. Rough carpentry includes carpentry work not specified as part of other sections and which is generally not exposed, except as otherwise indicated. Types of work in this Section include rough carpentry for:

1. Wood nailers and blocking

2. Other rough carpentry indicated

1.2 DELIVERY STORAGE, AND HANDLING

A. Keep materials dry at all times. Protect against exposure to weather and contact with damp or wet surfaces. Stack lumber and provide air circulation within stacks.

1.3 PROJECT CONDITIONS

A. Fit carpentry work to other work; scribe and cope as required for accurate fit. Correlate location of furring, nailers, blocking, and similar supports to allow proper attachment of other work.

PART 2 – PRODUCTS

2.1 MATERIALS

A. Framing Lumber:

1. Miscellaneous Lumber:

a. Provide wood for support or attachment of other work including bucks, nailers, blocking, furring, stripping and similar members. Provide lumber of sizes shown or specified worked into shapes shown.

b. Grade: Standard or No. 2 Southern Pine.

c. Treated wood for exterior applications and at locations where wood meets concrete.

B. Plywood:

1. Plywood Backing Panels: For mounting IT equipment, millwork, etc. Provide fire retardant treated plywood panels with grade designation, APA C-C Plugged INT with exterior glue, in 3/4" thickness, 6 ply construction.

2.2 ACCESSORIES

1. Fasteners and Anchorages: Provide size, type, material and finish as indicated and as recommended by applicable standards, complying with applicable Federal Specifications for nail, staples, screws, bolts, nuts, washers and anchoring devices.

PART 3 – EXECUTION

SECTION 06 10 00_2/2

3.1 INSTALLATION

A. General Requirements:

1. Discard units of material with defects which might impair quality of work, and units which are too small to use in fabricating work with minimum joints or optimum joint arrangement.

2. Framing lumber and other rough carpentry shall be fitted closely, set accurately to the required lines and levels and shall be secured in place in a rigid and substantial manner.

3. All framing and support members, not indicated or specified, shall be provided as necessary for the proper completion of the work.

4. Spiking, nailing and bolting shall be done in an approved manner; spikes, nails and bolts shall be of the proper size, and care shall be used so as not to split the members.

5. Provide framing to support all edges of covering material.

B. Wood Nailers, and Blocking:

1. Provide wherever shown and where required for attachment of other work. Form to shapes as shown or required and cut as required for true line and level of work to be attached. Coordinate location with other work involved.

2. Attach to substrates as required to support applied loading. Countersink bolts and nuts flush with surfaces, unless otherwise shown. Build into masonry during installation of masonry work.

3. 12" o.c. along intermediate supports, and 3/8" minimum from panel edge.

END OF SECTION

07 24 00 - 1

SECTION 07 24 00

EXTERIOR INSULATION AND FINISH SYSTEMS

PART 1 - GENERAL

A. Section Includes:

1. Exterior insulation and finish systems (EIFS).

1.2 RELATED WORK

A. GYPSUM SHEATHING: Gypsum Board Sheathing.

1.3 SUBMITTALS

A. Submit data in accordance with the statement of work.

B. Submittals shall include, but not be limited to, the following;

Technical literature Performance data Spec-Data sheets Manufacturer's installation instructions

A. Submittal Drawings:

1. Show size, configuration, and fabrication and installation details.

2. Show details for corner treatment, sills, soffits, dentils, quoins, lintels, openings, penetrations, flashing, and other special applications.

B. Manufacturer's Literature and Data:

1. Description of each product.

2. Installation instructions.

3. Warranty.

C. Samples: Two 300 mm (1 foot) square samples of EIFS simulated synthetic stucco finishes over cement board identical to proposed installation in thickness, color, texture insulation and workmanship.

D. Test reports: Certify each product and complete system complies with specifications.

E. Qualifications: Substantiate qualifications comply with specifications.

1. Installer with project experience list.

1.4 QUALITY ASSURANCE

A. Installer Qualifications:

1. Regularly installs specified products.

1.5 DELIVERY

A. Deliver products in manufacturer's original sealed packaging.

07 24 00 - 2

B. Mark packaging, legibly. Indicate manufacturer's name or brand, type, production run number, and manufacture date.

C. Before installation, return or dispose of products within distorted, damaged, or opened packaging.

1.6 STORAGE AND HANDLING

A. Store products indoors in dry, weather tight conditioned facility.

B. Protect products from damage during handling and construction operations.

1.7 FIELD CONDITIONS

A. Environment: Unless greater temperature is required by system manufacturer, install products only when ambient air temperature is minimum 7 degrees C (45 degrees F) and rising and predicted to persist for 24 hours after installation.

1.8 WARRANTY

A. Manufacturer's Warranty: Warrant EIFS system materials against material and manufacturing defects.

1. Warranty Period: 10 years.

PART 2 - PRODUCTS

2.1 PRODUCTS - GENERAL

A. Manufacturer: STO Corp or equal.

B. Provide system components from one manufacturer and from one production run.

2.2 EXTERIOR INSULATION AND FINISH SYSTEM (EIFS)

A. Description: Polymer-Based (PB) system consists of Type I molded rigid polystyrene insulation adhered to sheathing and finished with glass-fiber-mesh reinforced based-coat and textured finish coat.

B. Performance Requirements:

1. Surface Burning Characteristics: When tested according to ASTM E84.

a. Flame Spread Rating: 25 maximum.

b. Smoke Developed Rating: 450 maximum.

2. Full Scale Wall Fire Test: No significant surface flaming or propagation of vertical or lateral flames when tested according to

ASTM E119.

3. Impact Resistance (Sample to be cured. Finish, base coat and fabric over 25 mm (1 inch) insulation typical of project application), ASTM E2486/E2486M:

4. Structural Performance: (Test panels 1200 mm x 1200 mm (4 feet by

4 feet) typical of project application): ASTM E330/E330M, no

07 24 00 - 3 permanent deformation, delamination or deterioration for positive and negative pressures as required.

a. Wind Loads: Uniform pressure as indicated on Drawings.

5. Water Penetration: ASTM E331, no water penetration minimum 720Pa (15 psf) for windows and 300 Pa (6.24 psf) for curtain wall assembly.

6. Abrasion Resistance: ASTM D968, 500 liters of sand with slight smoothing and no loss of film integrity.

7. Accelerated Weathering: ASTM G90; 2000 hours with no deterioration.

8. Salt Spray Resistance: ASTM B117; Withstand 300 hours with no deleterious effects.

9. Water Vapor: ASTM E96/E96M; Maximum 12 grains/hour/square meter (18 grains/hour/square foot.).

10. Absorption-Freeze-Thaw (Pre-weighed 100 mm x 200 mm (4 inch by

8 inch) specimens; 25 mm (1 inch) insulation, faced with finish coat cured and stored in air; tested with edges and back open), ASTM C67.

a. 50 Cycles: 20 hours at 9 degrees C (4 degrees F); 4-hour thaw in water.

b. After 50 cycles; total weight gain of maximum 6.2 grams. No checking splitting, or cracking.

C. Adhesive: Manufacturers standard product including primer compatible with sheathing.

D. Insulation:

1. Thermal Resistance: Thermal resistance (R-value), as indicated, measured by ASTM C177.

2. Insulating Material: ASTM C578, as recommended by EIFS manufacturer and treated to be compatible with EIFS components. Age insulation minimum of 6 weeks before installation.

3. Provide Type I Molded Expanded Polystyrene (MEPS) insulation board for Type PB systems, in sizes as required except maximum 600 mm X

1200 mm (24 X 48 inches) boards, and maximum 100 mm (4 inches) thick.

E. Mechanical Anchors: As recommended by EIFS manufacturer.

F. Accessories:

1. Trim, control joints, weep screed, edging, anchors, expansion joints, and other items required for proper installation as recommended by EIFS manufacturer.

2. Metal Items and Fasteners: Corrosion resistant.

07 24 00 - 4

G. Reinforcing Fabric: Balanced, open weave, glass fiber fabric made from twisted multi-end strands specifically treated for compatibility with the other materials of system.

1. Minimum weight 100 grams/square meter (4.3 ounces/square yard).

H. Base Coat: Manufacturer's standard.

I. Finish Coat: Manufacturer's standard. Minimum thickness 1.5 mm

(1/16 inch), complying with performance requirements.

J. Sealant: ASTM C920; Class 50 with 100 percent recovery. Type, grade and use as recommended by sealant manufacturer.

1. When required, provide non-staining primer, bond breaker, and backer rods as recommended by sealant manufacturer.

2. Do not use absorptive materials as backer rods.

PART 3 - EXECUTION

3.1 PREPARATION

A. Examine and verify substrate suitability for product installation.

B. Protect existing construction and completed work from damage.

C. Notify Contracting Officer's Representative in writing of conditions detrimental to proper completion of work.

D. Do not proceed with work until unsatisfactory conditions are corrected.

3.2 INSTALLATION - GENERAL

A. Install products according to manufacturer's instructions and approved submittal drawings.

1. When manufacturer's instructions deviate from specifications, submit proposed resolution for Contracting Officer's Representative consideration.

3.3 CONTROL JOINT INSTALLATION

A. See drawings for location of building control joints and surface control joints.

B. Install surface control joints as follows:

1. Direct Exterior Finish: Install at 6 meters (20 feet) maximum on center, both directions, erecting continuous vertical joints first at building expansion joints, intersection of dissimilar substrates or finishing materials where concentrated stresses or movement is anticipated. Leave 13 mm (1/2inch) minimum continuous gap between board panels to receive control joint.

2. Unit Finish: Install at 5 meters (16 feet) maximum on center, both directions, or at lesser spacing as recommended by and manufacturer, 07 24 00 - 5 erecting continuous vertical joints first. Leave 13 mm (1/2 inch) minimum, continuous gap between board panels to receive control joint or sealant backer and sealant.

3. Exterior Insulation and Finish System. Install at 15 meters

(50 feet) maximum in both directions and at building expansion joints, floor lines and where EIFS intersects other materials per manufacturer's recommendations.

3.4 SEALANT INSTALLATION

A. Apply sealant at intersections of gypsum board with windows, doors, control joints, other openings and locations as shown on drawings.

B. Exterior Insulation and Finish System: Apply sealant according to EIFS manufacturer's recommendation.

C. Do not apply sealant in locations intended for water drainage.

3.5 EXTERIOR INSULATION AND FINISH SYSTEM INSTALLATION

A. Insulation Board Layout: Place horizontally from level base line.

Stagger vertical joints and interlock at corners. Butt joints tightly.

Provide flush surfaces at joints. Offset insulation board joints from joints in sheathing minimum 200 mm (8 inches). Do not align joints with corners of doors, windows and other openings. Do not leave insulation board exposed longer than recommended by insulation manufacturer.

B. Adhesive: Apply directly to entire back surface of the insulation board as recommended by the system manufacturer and immediately apply to gypsum board substrate. Apply firm pressure over entire board to ensure uniform contact and level surface. Allow adhesive to cure for 24 hours minimum before sanding.

C. Create means of drainage between insulation board and gypsum board sheathing.

D. Flash penetrations and terminations to discharge water to exterior.

E. Mechanical Fasteners: Fasten with manufacturer's standard anchors, spaced as recommended by manufacturer, maximum 600 mm (24 inches) on center horizontally and vertically.

F. Sanding: Sand entire surface of insulation before applying base coat, level high joints and remove dirt and weathering damage. Do not pre-fill low areas with basecoat.

G. Base Coat: Trowel apply uniform thickness of base coat to insulation with minimum thickness of 1-1/2 times reinforcing fabric thickness and minimum 2.4 mm (3/32 inches) wet thickness.

07 24 00 - 6

H. Install reinforcing fabric embedded in base coat. Provide diagonal reinforcement at opening corners, back wrapping, and other reinforcement recommended by EIFS manufacturer. Ensure fabric pattern is not visible beneath the surface of the basecoat after installation.

Cure basecoat 24 hours minimum before applying finish coat.

I. Finish Coat:

1. Inspect basecoat for damage or defects and repair before applying finish coat.

2. Trowel apply finish coat minimum 1.6 mm (1/16 inch) thick.

3. Texture finish as required.

4. Surface Tolerance: Maximum 1/500 (1/4 inch in 10 feet) deviation from plumb and plane.

- - E N D - -

SECTION 07 52 16

STYRENE-BUTADIENE-STYRENE (SBS) MODIFIED BITUMINOUS MEMBRANE ROOFING

PART 1 GENERAL

1.01 SUMMARY

A. Work shall include, but is not limited to, the following:

B. LWIC Decks

1. Preparation of existing LWIC roof deck, and all flashing substrates.

2. SBS-modified bitumen base ply adhered in cold adhesive ribbons.

3. SBS-modified bitumen cap sheet adhered in cold adhesive

a. Granule surfacing: White mineral granule surfacing.

4. SBS-modified bitumen membrane flashings.

5. Liquid-applied, reinforced flashings.

C. Structural Concrete Decks

1. Preparation of existing Concrete roof deck, and all flashing substrates.

2. Insulation adhered in insulation adhesive

3. Coverboard adhered in insulation adhesive

4. SBS-modified bitumen base ply adhered in cold adhesive.

5. SBS-modified bitumen cap sheet adhered in cold adhesive

a. Granule surfacing: Highly reflective, bright white mineral granule surfacing, listed by the Cool Roof Rating Council (CRRC).

6. SBS-modified bitumen membrane flashings.

7. Liquid-applied, reinforced flashings.

1.02 RELATED SECTIONS

1.03 DEFINITIONS

A. ASTM D 1079-Definitions of Term Relating to Roofing and Waterproofing.

B. The National Roofing Contractors Association (NRCA) Roofing and

Waterproofing Manual, Fifth Edition Glossary.

1.04 REFERENCES

A. AMERICAN SOCIETY OF CIVIL ENGINEERS - Reference Document ASCE 7, Minimum Design Loads for Buildings and Other Structures.

B. AMERICAN STANDARD OF TESTING METHODS (ASTM):

1. ASTM C 836 - Standard Specification for High Solids Content, Cold

Liquid-Applied Elastomeric Waterproofing Membrane for Use with

Separate Wearing Course.

2. ASTM C 920 - Standard Specification for Elastomeric Joint Sealants

3. ASTM D 41 - Standard Specification for Asphalt Primer Used in Roofing, Damp proofing, and Waterproofing.

4. ASTM D 312- Standard Specification for Asphalt Used in Roofing.

5. ASTM D 1863 – Standard Specification for Mineral Aggregate Used on

Built-Up Roofs.

6. ASTM D 1970 - Standard Specification for Self-Adhering Polymer

Modified Bituminous Sheet Materials Used as Steep Roofing

Underlayment for Ice Dam Protection.

7. ASTM D 2178 - Standard Specification for Asphalt Glass Felt Used in

Roofing and Waterproofing.

8. ASTM D 3019 - Standard Specification for Lap Cement Used with Asphalt

Roll Roofing, Non-Fibered, Asbestos-Fibered, and Non-Asbestos-

Fibered.

9. ASTM D 3746 - Standard Test Method for Impact Resistance of

Bituminous Roofing System.

10. ASTM D 4586 - Standard Specification for Asphalt Roof Cement, Asbestos-Free.

11. ASTM D 4601 - Standard Specification for Asphalt-Coated Glass Fiber

Base Sheet Used in Roofing.

12. ASTM D 5147 - Standard Test Methods for Sampling and Testing

Modified Bituminous Sheet Material.

13. ASTM D 5849 - Standard Test Method for Evaluating Resistance of

Modified Bituminous Roofing Membrane to Cyclic Fatigue (Joint

Displacement)

14. ASTM D 6164 - Standard Specification for Styrene Butadiene Styrene

(SBS) Modified Bituminous Sheet Materials Using Polyester

Reinforcements.

15. ASTM D 7379 - Standard Test Methods for Strength of Modified Bitumen

Sheet Material Laps Using Cold Process Adhesive.

16. ASTM E 108 - Standard Test Methods for Fire Tests of Roof Coverings.

17. ASTM E 1980 - Standard Practice for Calculating Solar Reflectance Index of Horizontal and Low-Sloped Opaque Surfaces.

C. AMERICAN NATIONAL STANDARDS INSTITUTE (ANSI)::

1. ANSI/SPRI/FM 4435/ES-1 Wind Design Standard for Edge System Used with Low Slope Roofing System.

2. ANSI/SPRI FX-1, Standard Field Test Procedure for Determining the

Withdrawal Resistance of Roofing Fasteners.

3. ANSI/SPRI IA-1, Standard Field Test Procedure for Determining the

Mechanical Uplift Resistance of Insulation Adhesives over Various

Substrates.

4. ANSI/FM 4474- American National Standard for Evaluating the Simulated

Wind Resistance of Roof Assemblies Using Static Positive and/or

Negative Differential Pressures.

D. COOL ROOF RATING COUNCIL (CRRC)

E. EPA ENERGY STAR

F. FACTORY MUTUAL (FM):

1. FM 4450 - Approval Standard - Class I Insulated Steel Roof Decks.

2. FM 4470 - Approval Standard - Class I Roof Covers.

G. INTERNATIONAL CODES COUNCIL (ICC):

1. 2015 International Building Code (IBC).

H. NATIONAL ROOFING CONTRACTORS ASSOCIATION (NRCA).

1. UL 790 Standard Test Methods for Fire Tests of Roof Coverings.

2. UL 1256 – Fire Test of Roof Deck Constructions.

1.05 ACTION SUBMITTALS

A. Product Data Sheets: Submit manufacturer’s product data sheets, installation instructions and/or general requirements for each component.

B. Safety Data Sheets: Submit manufacturer’s Safety Data Sheets (SDS) for each component.

C. Sample warranty from the manufacturer and contractor.

D. Provide roof plan and representative detail drawings.

1.06 INFORMATIONAL SUBMITTALS

A. Submit a letter from the roofing manufacturer indicating the contractor is an authorized applicator.

1.07 CLOSEOUT SUBMITTALS

A. Warranty: Provide manufacturer’s and contractor’s warranties upon project completion.

1.08 QUALITY ASSURANCE

A. MANUFACTURER QUALIFICATIONS:

1. Manufacturer shall have 20 years of manufacturing experience.

2. Manufacturer shall have trained technical service representatives employed by the manufacturer, independent of sales.

3. Manufacturer shall provide site visit reports in a timely manner.

B. CONTRACTOR QUALIFICATIONS:

1. Contractor shall be authorized by the manufacturer to install specified materials prior to the bidding period through satisfactory project completion.

2. Applicators shall have completed projects of similar scope using same or similar materials specified.

3. Contractor shall provide full time, on-site superintendent or foreman experienced with the specified roofing from beginning through satisfactory project completion.

4. Applicators shall be skilled in the application methods for all materials.

5. Contractor shall maintain a daily record, on-site, documenting material installation and related project conditions.

6. Contractor shall maintain a copy of all submittal documents, on-site, available at all times for reference.

1.09 DELIVERY, STORAGE AND HANDLING

A. Refer to each product data sheet or other published literature for specific requirements.

B. Deliver materials and store them in their unopened, original packaging, bearing the manufacturer's name, related standards, and any other specification or reference accepted as standard.

C. Protect and store materials in a dry, well-vented, and weatherproof location. Only materials to be used the same day shall be removed from this location. During cold weather, store materials in a heated location, removed only as needed for immediate use.

D. When materials are to be stored outdoors, store away from standing water, stacked on raised pallets or dunnage, at least 4 in or more above ground level.

Carefully cover storage with “breathable” tarpaulins to protect materials from precipitation and to prevent exposure to condensation.

E. Carefully store roof membrane materials delivered in rolls on-end with selvage edges up. Store and protect roll storage to prevent damage.

F. Properly dispose of all product wrappers, pallets, cardboard tubes, scrap, waste, and debris. All damaged materials shall be removed from job site and replaced with new, suitable materials.

1.10 SITE CONDITIONS

A. SAFETY:

1. The contractor shall be responsible for complying with all project-related safety and environmental requirements.

2. Heat-welding shall include heating the specified membrane ply using electric hot-air welding equipment. The contractor shall determine when and where conditions are appropriate to utilize heat-welding equipment.

When conditions are determined by the contractor to be unsafe to proceed, equivalent SBS-modified bitumen materials and methods shall be utilized to accommodate requirements and conditions.

3. Refer to NRCA CERTA recommendations, local codes and building requirements for hot work operations. A permit from the Keesler Air

Force Base Fire Department will be required.

4. The contractor shall review project conditions and determine when and where conditions are appropriate to utilize the specified liquid-applied, or semi-solid roofing materials. When conditions are determined by the contractor to be unsafe or undesirable to proceed, measures shall be taken to prevent or eliminate the unsafe or undesirable exposures and conditions, or equivalent approved materials and methods shall be utilized to accommodate requirements and conditions.

5. The contractor shall refer to product Safety Data Sheets (SDS) for health, safety, and environment related hazards, and take all necessary measures and precautions to comply with exposure requirements.

B. ENVIRONMENTAL CONDITIONS:

1. Monitor substrate temperature and material temperature, as well as all environmental conditions such as ambient temperature, moisture, sun, cloud cover, wind, humidity, and shade. Ensure conditions are satisfactory to begin work and ensure conditions remain satisfactory during the installation of specified materials. Materials and methods shall be adjusted as necessary to accommodate varying project conditions. Materials shall not be installed when conditions are unacceptable to achieve the specified results.

2. Precipitation and dew point: Monitor weather to ensure the project environment is dry before, and will remain dry, during the application of roofing materials. Ensure all roofing materials and substrates remain above the dew point temperature as required to prevent condensation and maintain dry conditions.

3. Cold adhesive application: Primer, where used, shall be fully dry before proceeding. During cold weather, store the specified membrane adhesives, flashing cements and mastics in heated storage areas. Take all necessary measures and monitor application conditions, to ensure the adhesive and cement materials are no less than 70F (21C) at the point of contact with the membrane.

4. Self-adhesive membrane application: During cold weather, store the specified self-adhesive membrane and primer materials in heated storage areas to ensure materials remain no less than 70F (21C) during application. Ensure conditions allow primer to remain tacky, but not wet so that primer will not transfer to finger when touched. Self-adhesive primer shall not fully dry and lose tack before applying the self-adhesive membrane. Ensure conditions remain satisfactory to achieve membrane adhesion as specified.

5. Heat-Welding Application: Take all necessary precautions and measures to monitor conditions to ensure all environmental conditions are safe to use roof torches and hot-air welding equipment. Combustibles, flammable liquids and solvent vapors that represent a hazard shall be eliminated. Flammable primers and cleaners shall be fully dry before proceeding with heat-welding operations. Prevent or protect wood, paper, plastics and other such combustible materials from direct exposure to open flames from roof torches. Refer to NRCA CERTA recommendations.

1.11 PERFORMANCE REQUIREMENTS

A. WIND UPLIFT RESISTANCE:

1. Performance testing shall be in accordance with ANSI/FM 4474, FM

4450, FM 4470, UL 580 or UL 1897.

a. Roof System Design Pressures: Calculated in accordance with

ASCE 7, or applicable standard, for the specified roof system attachment requirements.

b. Design Pressures:

i. Field of Roof (Zone 1): - 59.8 psf.

ii. Perimeter of Roof (Zone 2): - 100.3 psf.

iii. Corners of Roof (Zone 3): - 151.0 psf.

B. FIRE CLASSIFICATION:

1. Performance testing shall be in accordance with UL 790, ASTM E108, FM

4450 or FM 4470 to meet the ¼:12 roof slope requirement.

a. Meets requirements of UL Class A or FM Class A.

2. Performance testing shall be in accordance with UL 1256, FM 4450 or FM

4470 to meet the specified requirements for interior flame spread and fuel contribution.

a. Meets requirements of UL 1256, or FM Class 1.

C. IMPACT RESISTANCE:

1. Performance testing for impact resistance shall be in accordance with FM

4450, FM 4470, ASTM D3746 or CGSB 37-GP 56M to meet the specified impact resistance requirements.

a. Meets requirements for FM-SH (Severe Hail), ASTM D3746, or

CGSB 37-GP 56M.

D. CYCLIC FATIGUE:

1. The roof system shall pass ASTM D5849 Standard Test Method for

Evaluating Resistance of Modified Bituminous Roofing Membrane to

Cyclic Fatigue (Joint Displacement). Passing results shall show no signs of cracking, splitting or tearing over the joint.

a. Roof system shall pass Test Condition 5, tested at -4F (-20C) in accordance with ASTM D5849.

E. LEED SUSTAINABLE SITES (SS) CREDITS:

1. SS 7.2, Heat Island Effect-Roof. Cap sheet shall be surfaced with highly reflective mineral granules. (SOPREMA: Or equal Granule surfacing basis of design):

a. Seventy-five percent of the low-slope roof area shall have an SRI value greater than, or equal to, 78 as published by the Cool Roof

Rating Council (CRRC).

F. COOL ROOF RATING COUNCIL (CRRC):

1. The cap sheet shall be granule-surfaced (white granule-surfaced cap sheet is basis of design). Cap sheet shall be listed by the Cool Roof

Rating Council (CRRC) with the following minimum published values, including CRRC 3-year Rapid Ratings:

a. Solar Reflectance: Initial: 0.7 3-year: 0.62

b. Thermal Emittance: Initial: 0.9 3-year: 0.9

c. Solar Reflectance Index (SRI): Initial: 86 3-year: 75

1.12 WARRANTY

A. Manufacturer's No Dollar Limit (NDL) Warranty. The manufacturer shall provide the owner with the manufacturer’s warranty providing labor and materials for 20 years from the date the warranty is issued.

B. The contractor shall guarantee the workmanship and shall provide the owner with the contractor’s warranty covering workmanship for a period of 2 years from completion date.

PART 2 PRODUCTS

2.01 MANUFACTURER

A. SINGLE SOURCE MANUFACTURER: All SBS modified bitumen membrane and flashing sheets shall be manufactured by a single supplier with 20 years or more manufacturing history in the US.

1. Comply with the Manufacturer’s requirements as necessary to provide the specified warranty.

B. PRODUCT QUALITY ASSURANCE PROGRAM: Manufacturer shall be an ISO

9001 registered company. A ‘Quality Compliance Certificate (QCC) for reporting/confirming the tested values of the SBS-Modified Bitumen Membrane

Materials will be supplied upon request.

C. ACCEPTABLE MANUFACTURER:

1. Equal to SOPREMA, located at: 310 Quadral Dr.; Wadsworth, OH 44281;

Tel: 800-356-3521; Tel: 330-334-0066; Website: www.soprema.us.

2. Acceptable Alternate Manufacturers: Must meet wind uplift as indicated herein. Provide documentation indicating proposed products meet or exceed all criteria listed in this spec including membrane performance.

2.02 ROOFING SYSTEM

A. ROOFING SYSTEM BASIS OF DESIGN: SOPREMA: Or equal.

2.03 SBS-MODIFIED BITUMEN MEMBRANES

1. BASE PLY, COLD ADHESIVE

a. SOPREMA SOPRALENE 180 SANDED or approved equal: SBS-modified bitumen membrane sanded on both top and bottom surfaces. Non-woven polyester reinforcement. Meets or exceeds

ASTM D6164, Type I, Grade S, per ASTM D5147 test methods:

i. Thickness: 118 mils (3.0 mm)

ii. Width: 39.4 in (1 m)

iii. Length: 32.8 ft (10 m)

iv. Roll weight: 84 lb (38.1 kg)

v. Net mass per unit area, lb/100 sq ft (g/sq m):

a) 78 lb (3808 g)

vi. Peak load @ 0F (-18C), lbf/in (kN/m).

a) MD 115 lbf/in (20.1 kN/m), XMD 90 lbf/in (15.8 kN/m)

vii. Elongation at peak load @ 0F (-18C), lbf/in (kN/m):

a) MD 35%, XMD 40%

viii. Peak load @ 73.4F (23C), lbf/in (kN/m):

a) MD 85 lbf/in (14.9 kN/m), XMD 65 lbf/in (11.4 kN/m)

ix. Elongation at peak load @ 73.4F (23C), lbf/in (kN/m):

a) MD 55%, XMD 60%

x. Ultimate Elongation @ 73.4F (23C), lbf/in (kN/m):

a) MD 65%, XMD 80%

xi. Tear Strength @ 73.4F (23C), lbf (N):

a) MD 125 lbf (556 N), XMD 85 lbf (378 N)

xii. Low temperature flexibility, F (C):

a) MD/XMD: -15F (-26C)

xiii. Dimensional stability, %:

a) MD/XMD: Less than 0.5%

xiv. Compound stability, F (C):

a) MD/XMD: 240F (116C):

B. CAP SHEET:

i.

2. CAP SHEET, COLD ADHESIVE APPLIED:

a. SOPREMA SOPRALENE 180 FR GR: or equal. SBS-modified bitumen membrane Cap Sheet with a sanded bottom surface and mineral granule top surface. Non-woven polyester reinforced.

UL Class A for specified roof slope requirements. Meets or exceeds ASTM D6164, Type I, Grade G

i. Thickness: 157 mils (4.0 mm)

ii. Width: 39.4 in (1 m)

iii. Length: 32.8 ft (10 m)

iv. Roll weight: 117 lb (53.1 kg)

v. Net mass per unit area, lb/100 sq ft (g/sq m):

a) 109 lb (5322 g)

vi. Peak load @ 0F (-18C), lbf/in (kN/m).

a) MD 115 lbf/in (20.1 kN/m), XMD 90 lbf/in (15.8 kN/m)

vii. Elongation at peak load @ 0F (-18C), lbf/in (kN/m):

a) MD 35%, XMD 40%

viii. Peak load @ 73.4F (23C), lbf/in (kN/m):

a) MD 85 lbf/in (14.9 kN/m), XMD 65 lbf/in (11.4 kN/m)

ix. Elongation at peak load @ 73.4F (23C), lbf/in (kN/m):

a) MD 55%, XMD 60%

x. Ultimate Elongation @ 73.4F (23C), lbf/in (kN/m):

a) MD 65%, XMD 80%

xi. Tear Strength @ 73.4F (23C), lbf (N):

a) MD 125 lbf (556 N), XMD 85 lbf (378 N)

xii. Low temperature flexibility, F (C):

a) MD/XMD: -15F (-26C)

xiii. Dimensional stability, %:

a) MD/XMD: Less than 0.5%

xiv. Compound stability, F (C):

a) MD/XMD: 240F (116C)

xv. Granule Surfacing:

a) White mineral granules.

b) SOPREMA SG GRANULE: Or equal. Highly reflective, bright white mineral granule surfacing, listed by the Cool Roof Rating Council (CRRC).

2.04 ACCESSORIES

A. RIGID INSULATION

1. SOPREMA SOPRA-ISO: Or equal. Closed cell polyisocyanurate foam core bonded on each side to a glass fiber-reinforced felt facer.

i. Thickness: 1.5 in minimum board thickness. Total thickness to meet specified insulation system thermal resistance ‘R’ value

ii. Meets or exceeds ASTM C1289, Type II, Class 1, Grade 2

(20 psi).

B. COVER-BOARD

a. SOPREMA SOPRABOARD: Or equal. Mineral fortified, asphaltic roof substrate board with glass fiber facers. For use as roof cover-board and for vertical flashing substrate. ASPHALTIC

ROOF BOARD shall be manufactured by the membrane supplier.

i. Thickness: 1/4 in

ii. Dimensions: 4 x 8 ft acceptable for mechanical attachment, insulation adhesive or asphalt application.

iii. Water absorption: Less than 1 percent per ASTM D994.

iv. Impact resistance: Included in FM Approvals per

4450/4470 for FM Severe Hail (SH) rating.

v. Compressive strength, psi (kPa) measured at 50 percent compression, per ASTM C472:

a) 1/4 in board: 900 (11,100)

vi. Puncture resistance, lbf (N) per ASTM E154:

C. INSULATION CANT AND TAPERED STRIP

1. CANT STRIP, EXPANDED PERLITE

a. High density, laminated board made of high strength fibers and expanded perlite.

i. Length: 4 ft sections.

ii. Cross Section dimensions: 1 in thick x 3 in face, 1 in thick x

iii. 4 in face, 1.5 in thick x 4 in face, 1.5 in thick x 5 in face.

Size as required for flashing conditions.

iv. Meets or exceeds ASTM C728.

2. TAPERED EDGE STRIP AND BOARDS:

a. Expanded perlite, blended with binders and fibers.

i. Dimensions: 6 in x 1/2 in, 12 in x 1/2 in, 1 in or 1-1/2 in, 18 in x 1 in or 1-1/2 in. Size as required.

ii. Meets or exceeds ASTM C728.

D. INSULATION ADHESIVE

1. POLYURETHANE FOAM INSULATION ADHESIVE

a. SOPREMA DUOTACK 365 or DUOTACK SPF: Or equal. Two-component, polyurethane foam insulation adhesive, applied in ribbons from cannisters, cartridges or two-component bulk packaging with pump-driven delivery system.

i. Ribbon size: As required by manufcaturer

ii. Ribbon spacing: As required to meet specified wind uplift resistance performance.

a) Field of Roof (Zone 1): 12 in on-centers

b) Perimeter of Roof (Zone 2): 6 in on-centers

c) Corners of Roof (Zone 3): 4 in on-centers

E. EDGE METALS:

1. SOPRAMETAL: Or equal. Fascia, Copings and Expansion Joints pre fabricated and provided by the roof membrane manufacturer. Shop broke or contractor provided edge metals will not ne accepted.

a. Meets or exceeds ANSI/SPRI ES-1

F.

G. PRIMERS:

1. SOPREMA ELASTOCOL 500 Primer: Or equal. Asphalt cut-back primer.

Primer for the preparation of membrane substrates for asphalt, heat-welded, hot asphalt and COLPLY ADHESIVE, solvent-based, cold adhesive-applied and cement applications. NOTE: Priming is not required for SOPREMA COLPLY EF ADHESIVE and SOPREMA

COLPLY EF FLASHING CEMENT applications.

a. Meets or exceeds ASTM D41

b. VOC content: 350 g/L or less.

2. SOPREMA ELASTOCOL 350 Primer: Or equal. Polymer emulsion primer, meeting low VOC requirements for the preparation of membrane substrates for hot asphalt, torch and SOPREMA COLPLY adhesive and flashing cement applications.

3. SOPREMA ELASTOCOL STICK ZERO Primer: Or equal. 0 g/L VOC solvent, self-adhesive membrane primer. Low VOC, solvent-based primer for the preparation of membrane substrates for self-adhered SBS membrane and self-adhesive SBS flashing applications.

4. SOPREMA ELASTOCOL STICK Primer: or equal. Self-adhesive membrane primer. SBS polymer, resin and, solvent-based primer for the preparation of membrane substrates for self-adhesive SBS membrane and self-adhered SBS flashing applications.

5. SOPREMA ELASTOCOL STICK H2O: Or equal. Self-adhesive membrane primer. Water based polymer emulsion primer for the preparation of membrane substrates for self-adhesive SBS membrane and self-adhered SBS flashing applications.

H. MEMBRANE ADHESIVES:

1. SOPREMA COLPLY EF ADHESIVE: Or equal. Premium, non-toxic, low odor, solvent-free, polymeric membrane adhesive for use with all SBS-modified bitumen sanded base ply and all Cap Sheet membrane applications.

a. VOC Content: 32 g/L or less VOC Content.

b. Meets or exceeds ASTM D7379

I. FLASHING CEMENT

1. SOPREMA COLPLY EF FLASHING CEMENT: Or equal. Premium , non-toxic, low-odor, solvent-free, polymeric membrane flashing cement for use with sanded base ply and all sanded Cap Sheet flashing applications.

a. VOC Content: 32 g/L or less VOC Content.

J. GENERAL PURPOSE ROOFING CEMENT AND MASTIC

1. SOPREMA SOPRAMASTIC: Or equal. SBS Mastic. Fiber-reinforced, roofing cement, packaged in 5 gallon pails. General purpose roofing cement for low-slope roofing used for sealing membrane T-joints and membrane edges along terminations, transitions and at roof penetrations.

a. VOC Content: 190 g/L or less.

b. Meets or exceeds ASTM D4586, Type I, Class II.

2. SOPREMA SOPRAMASTIC: Or equal. SBS Mastic. Fiber-reinforced, roofing cement, packaged in 10.4 oz caulk tubes. General purpose roofing cement for low-slope roofing used for sealing membrane T-joints and membrane edges along terminations, transitions and at roof penetrations.

a. VOC Content: 190 g/L or less.

b. Meets or exceeds ASTM D4586, Type I, Class II.

K. GENERAL PURPOSE SEALANT

1. SOPREMA SOPRAMASTIC SP1: Or equal. General purpose, paintable, gun-grade, elastomeric, polyether moisture curing sealant for sealing

SBS membrane terminations, Kynar 500 PVDF, horizontal and vertical construction joints.

a. VOC Content: 20 g/L or less.

b. Meets or exceeds ASTM C920, Type S, Grade NS, Class 50.

c. Standard color, custom color.

2. SOPREMA SOPRAMASTIC ALU: Modified bitumen mastic, aluminum hued for application to membrane edge and perimeter metal.

a. VOC Content: 270 g/L or less.

b. Standard color.

L. LIQUID-APPLIED REINFORCED PENETRATION FLASHING SYSTEM:

1. SOPREMA ALSAN RS: Or equal. 230 Flash, Catalyzed polymethyl methacrylate (PMMA) resin with polyester reinforcing fleece fabric fully embedded into the resin to form fully-reinforced waterproofing membrane flashings. Not for use over SBS cap sheets adhered with solvent-based SOPREMA COLPLY adhesive or flashing cement.

a. VOC Content: No VOC content.

b. SOPREMA ALSAN RS 230 FLASH: Polymethyl methacrylate

(PMMAliquid resin.

c. SOPREMA ALSAN RS CATALYST POWDER:Or equal. Reactive agent added to the PMMA liquid resin to induce curing.

d. SOPREMA ALSAN RS FLEECE: Polyester reinforcement fabric.

e. Color: Flash color and finish to match Field.

M. MINERAL GRANULES:

1. SOPREMA Granules: Or equal. No. 11, mineral coated colored granules, color to match cap sheet, supplied by membrane cap sheet manufacturer.

a. SOPREMA GRANULES: Or equal.

b. SOPREMA SG GRANULES. Or equal.

N. EXPANSION JOINT:

1. SOPREMA SOPRAJOINT: Or equal. Low-profile, polyester knit-reinforced, SBS-modified bitumen expansion joint membrane. Top surface consists of an aluminum-clad bond-breaker, with plastic burn-off film on the bottom surface for torch or hot air welding.

a. Thickness: 160 mils (4.0 mm)

b. Width: 18 in (457 mm)

c. Roll Length: 32.8 ft (10 m)

d. Expansion joint, maximum unsupported span: 2 in (51 mm)

e. Expansion joint, maximum displacement: 5/8 in (16 mm)

PART 3 EXECUTION

3.01 EXAMINATION

A. Examination includes visual observations, qualitative analysis, and quantitative testing measures as necessary to ensure conditions remain satisfactory throughout the project.

B. The contractor shall examine all roofing substrates including, but not limited to:

insulation materials, roof decks, walls, curbs, rooftop equipment, fixtures, and wood blocking.

C. The applicator shall not begin installation until conditions have been properly examined and determined to be clean, dry and, otherwise satisfactory to receive specified roofing materials.

D. During the application of specified materials, the applicator shall continue to examine all project conditions to ensure conditions remain satisfactory to complete the specified roofing system.

3.02 PREPARATION

A. Before commencing work each day, the contractor shall prepare all roofing substrates to ensure conditions are satisfactory to proceed with the installation of specified roofing materials. Preparation of substrates includes, but is not limited to, substrate repairs, securement of substrates, eliminating all incompatible materials, and cleaning.

B. Where conditions are found to be unsatisfactory, work shall not begin until conditions are made satisfactory to begin work. Commencing of work shall indicate contractor’s acceptance of conditions.

3.03 PRIMER APPLICATION

A. Examine all substrates, and conduct adhesion peel tests as necessary, to ensure satisfactory adhesion is achieved.

B. Apply the appropriate specified primer to dry, compatible substrates as required to enhance adhesion of new specified roofing materials.

C. Apply primer using brush, roller, or sprayer at the rate published on the product data sheet. Lightly prime for uniform coverage, do not apply heavy or thick coats of primer.

D. Asphalt Primer: Apply SOPREMA ELASTOCOL 500: Or equal or SOPREMA

ELASTOCOL 350: Or equal primer to dry compatible masonry, metal, wood and other required substrates before applying asphalt and heat-welded membrane plies. Primer is optional for solvent based solvent-based SBS adhesives and cements. Refer to product data sheets.

E. Self-Adhesive Membrane Primer: Apply SOPREMA ELASTOCOL STICK: Or equal or SOPREMA ELASTOCOL STICK ZERO: Or equal. to dry, compatible substrates as required to enhance adhesion of self-adhesive membrane plies.

Ensure self-adhered membrane primer is tacky to-the-touch, but not wet. Primer should not transfer to the finger tips when touched.

F. Primer is not required for SOPREMA COLPLY EF ADHESIVE: Or equal and

SOPREMA COLPLY EF FLASHING CEMENT: Or equal..

G. Project conditions vary throughout the day. Monitor changing conditions, monitor the drying time of primers, and monitor the adhesion of the membrane plies.

Adjust primer and membrane application methods as necessary to achieve the desired results.

3.04 HEAT WELDING

A. The Contractor is responsible for project safety. Where conditions are deemed unsafe to use open flames, manufacturer’s alternate membrane application methods shall be used to install SBS modified bitumen membrane and flashings.

Acceptable alternate installation methods include hot asphalt, cold adhesive-applied, self-adhered membranes and mechanically fastened plies. Hot-air welding equipment may be used in lieu of roof torches to seal membrane side and end laps where heat welding the laps is necessary. Refer to NRCA CERTA, local codes and building owner’s requirements for hot work operations.

B. Single or multi-nozzle, hand-held propane roof torches shall be used to install heat-welded membrane and flashing plies. Multi-nozzle carts (dragon wagons) may also be utilized to install membrane plies. Seven (7) nozzle carts are recommended for more uniform heat application in lieu of five (5) nozzle carts.

3.05 MEMBRANE ADHESIVE APPLICATION

A. The ambient temperature shall be above 50F (10C), and the adhesive temperature shall be a minimum of 70F (21C) at the point of membrane application.

B. To ensure the adhesive is applied at 70F (21C), during cold weather, drums and 5 gallon pails shall be stored in heated areas. Drums and 5 gallon pails exposed to cold temperature on the roof shall be provided with heaters when necessary to ensure the minimum application temperature is maintained.

C. Priming substrates is optional when solvent-based membrane adhesives are used. Primer may be applied to reduce adhesive consumption rates for some absorptive substrates.

D. SOPREMA COLPLY ADHESIVE: Or equal. May be applied using a 3/16 – 3/8 inch notched squeegee, brush or spray equipment.

E. SOPREMA COLPLY EF ADHESIVE: Or equal. May be applied using a 3/16 –

3/8 inch notched squeegee or brush. SOPREMA COLPLY EF ADHESIVE: Or equal. is not spray-applied.

F. Apply adhesive to clean, dry and prepared compatible substrates as required to ensure full adhesion.

G. Follow the adhesive product data sheet requirements for application rates.

H. Apply a uniform application of membrane adhesive at the application rate published on the product data sheet.

I. Apply 1-1/2 to 2 gallons per square between membrane plies. The application rate is 2 to 3 gallons per square or more over absorptive substrates and over granule surfaces. Refer to manufacturer’s product data sheet, and adjust application rate based upon surface conditions.

J. Install the SBS membrane ply before the adhesive begins to skin over. Once adhesive skins over, the membrane ply will not adhere.

K.

3.06 FLASHING CEMENT APPLICATION

A. The ambient temperature shall be above 50F (10C), and the flashing cement temperature shall be a minimum of 70F (21C) at the point of membrane application.

B. To ensure the flashing cement is applied at 70F (21C), during cold weather, pails shall be stored in heated areas. Pails exposed to cold temperature on the roof shall be provided with heaters when necessary to ensure the minimum application temperature is maintained

C. Priming substrates is optional when solvent-based membrane adhesives are used. Primer may be applied to reduce adhesive consumption rates for some absorptive substrates.

D. SOPREMA COLPLY FLASHING CEMENT: Or equal. May be applied using ¼ inch notched trowel. Apply 2.0 – 2.5 gallons per square to each surface. Primer may be used to reduce consumption of solvent based flashing cement.

E. SOPREMA COLPLY EF FLASHING CEMENT: Or equal. May be applied using

¼ inch notched trowel. Apply 2.0 – 2.5 gallons per square to each surface.

Primer is not required for SOPREMA COLPLY EF FLASHING CEMENT: Or equal/

F. Application rates vary based on substrate porosity and roughness.

3.07 SBS MASTIC AND GENERAL PURPOSE ROOFING CEMENT APPLICATION

A. Apply SOPREMA SOPRAMASTIC: Or equal. general purpose SBS mastic and roofing cement to seal drain leads, metal flanges, seal along membrane edge at terminations, and where specified and required in detail drawings.

B. Do not use general purpose SBS mastics and roofing cement where flashing cement applications are required. Do not use SBS mastics and roofing cement beneath SBS-modified bitumen membrane and flashing plies.

C. Apply general purpose SBS mastic and elastic roofing cement using caulk gun, or notched trowel at 2.0 – 2.5 gallons per square on each surface. Application rates vary based on substrate porosity and roughness. Tool-in as necessary to seal laps

D. Embed matching granules into wet cement where exposed.

3.08 COLPLY EF RIBBON-APPLIED BASE PLY APPLICATION

A. Follow material product data sheets and published general requirements for installation instructions.

B. Ensure environmental conditions are satisfactory, and will remain satisfactory, during the application of the membrane adhesive and membrane plies.

C. Unroll membrane onto the roof surface and allow the membrane to relax prior to installing the membrane.

D. Re-roll the membrane in order for the plies to be rolled into the adhesive while ensuring the specified side and end-laps are maintained

E. Starting at the low point of the roof, lay out the membrane to ensure the plies are installed perpendicular to the roof slope, shingled to prevent back-water laps.

F. Cut rolls to working lengths and widths to conform to roof conditions, and lay out to always work to a selvage edge.

G. Ensure all roofing and flashing substrates are prepared as necessary, and all substrates are acceptable to receive the specified adhesive and membrane.

H. Install the COLPLY EF: Or equal. Adhesive ribbons ahead of the base ply application. Do not allow the adhesive to skin-over before the membrane is applied into the adhesive. The membrane will not adhere where adhesive has skinned over.

I. Cross venting channel:

1. For each roll of base ply installed, loose lay a 6 in x 39 in strip of roofing ply or felt material on the roof deck/substrate in the path of the COLPLY

EF: Or equal. ribbon application, perpendicular to the ribbons.

2. Immediately after the COLPLY EF: Or equal. ribbons have been applied over the 6 in x 39 in strip, remove the strip to produce a 6 in wide “skip” in the adhesive ribbons to allow for a “cross venting channel” between ribbons.

J. Use a weighted roller to roll-in the base ply.

K. Periodically examine the underside of the base ply to ensure COLPLY EF: Or equal. Adhesive ribbons spread 2-1/2 wide or more, while maintaining an open

“venting channel” between ribbons.

L. Where laps are adhered using membrane adhesive, apply sufficient adhesive coverage to ensure 1/8 to 1/4 in bleed-out is present at all laps.

M. Once set in place, ensure specified side-laps and end-laps are maintained.

N. At end-laps, cut a 45 degree dog-ear away from the selvage edge for all T-joints.

O. For low-slope areas where the roof slope falls below 1/4 in per foot, and where otherwise specified, leave all membrane side and end-laps dry in order to hot-air weld or torch all laps watertight.

P. Use a follow tool, weighted roller or broom the leading edge of the membrane to the substrate, working forward and outward as necessary to remove wrinkles.

Q. Each day, physically inspect all side and end-laps, and ensure the base ply is sealed watertight. Where necessary, use a torch or hot-air welder and a clean trowel to ensure all laps are fully sealed.

R. Inspect the installation each day to ensure the plies are fully adhered. Repair all voids, wrinkles, open laps and all other deficiencies.

3.09 COLD ADHESIVE-APPLIED MEMBRANE APPLICATION

A. Follow material product data sheets and published general requirements for installation instructions.

B. Ensure environmental conditions are satisfactory, and will remain satisfactory, during the application of the membrane adhesive and membrane plies.

C. Unroll membrane onto the roof surface and allow the membrane to relax prior to installing the membrane.

D. Re-roll the membrane in order for the plies to be rolled into the adhesive while ensuring the specified side and end-laps are maintained

E. Starting at the low point of the roof, lay out the membrane to ensure the plies are installed perpendicular to the roof slope, shingled to prevent back-water laps.

F. Cut rolls to working lengths and widths to conform to roof conditions, and lay out to always work to a selvage edge.

G. Ensure all roofing and flashing substrates are prepared as necessary, and all substrates are acceptable to receive the specified adhesive and membrane.

H. Install the specified membrane adhesive ahead of the membrane application. Do not allow the adhesive to skin-over before the membrane is applied into the adhesive. The membrane will not adhere where adhesive has skinned over.

I. Where laps are adhered using membrane adhesive, apply sufficient adhesive coverage to ensure 1/8 to 1/4 in bleed-out is present at all laps.

J. Once set in place, ensure specified side-laps and end-laps are maintained.

K. At end-laps, cut a 45 degree dog-ear away from the selvage edge for all T-joints.

L. For low-slope areas where the roof slope falls below 1/4 in per foot, and where otherwise specified, leave all membrane side and end-laps dry in order to hot-air weld or torch all laps watertight. Embed granules, where present, when heat welding sheets.

M. Use a follow tool, weighted roller or broom the leading edge of the membrane to the substrate, working forward and outward as necessary to remove wrinkles.

Avoid walking over the membrane during application.

N. Each day, physically inspect all side and end-laps, and ensure the membrane is sealed watertight. Where necessary, use a torch or hot-air welder and a clean trowel to ensure all laps are fully sealed.

O. Inspect the installation each day to ensure the plies are fully adhered. Repair all voids, wrinkles, open laps and all other deficiencies.

P. Offset cap sheet side and end-laps away from the base ply laps so that cap sheet laps are not located within 18 in of base ply laps.

Q. Immediately broadcast matching granules into adhesive bleed-out at cap sheet laps, or otherwise treat bitumen bleed-out once adhesive has dried and cured.

3.10 FLASHING APPLICATION, COLD-APPLIED FLASHING CEMENT

A. Refer to manufacturer’s membrane application instructions, flashing detail drawings, and follow product data sheets and other published requirements for…