ATT_02a_Division_07_Thermal_and_Moisture_Protection.pdf

1 Division 07 – Thermal and Moisture Protection

DIVISION 07 – THERMAL AND MOISTURE PROTECTION

SECTION 07111- COMPOSITE SHEET WATERPROOFING

PART 1 – GENERAL

A. Summary:

1. This Section includes the following:

a. Below-grade wall waterproofing.

b. Roof deck waterproofing.

c. Planter waterproofing.

B. Related Sections:

1. Division 3, Section “Cast-in-Place Concrete”.

2. Division 4, Section “Cavity Wall Masonry Systems”.

3. Division 7, Section “Joint Sealants”.

C. Performance Requirements:

1. General: Provide waterproofing that prevents the passage of liquid water under hydrostatic pressure and complies with requirements as demonstrated by testing performed by an independent testing agency of manufacturer’s current sheet membrane.

D. Submittals:

1. Product data for each type of waterproofing required for Project, including manufacturer’s printed instructions for evaluating, preparing, and treating substrate, technical data, and tested physical and performance properties.

2. Samples: 3-by-6-inch minimum size, of each waterproofing material required for Project. Provide full size paver sample and range of color for selection by

ESD Project Manager or Inspector, from manufacturer’s standard colors.

Include actual samples of paver pedestals.

3. Installer certificates signed by manufacturer certifying that Installers comply with requirements under the “Quality Assurance” Article.

4. Product test reports from a qualified independent testing agency evidencing compliance of waterproofing requirements and other physical properties reported by manufacturer based on comprehensive testing of products according to current standard test methods within the previous 5 years.

E. Quality Assurance:

1. Installer Qualifications: Engage an experienced Installer who has written certification by the waterproofing manufacturer as qualified to install manufacturer’s sheet membrane waterproofing.

2. Single-Source Responsibility: Obtain waterproofing membranes from a single manufacturer regularly engaged in manufacturing waterproofing sheet membranes.

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3. Preinstallation Meeting: Conduct meeting at Project site to ensure compliance with requirements.

Section 07111- Composite Sheet Waterproofing Cont.

a. Before installing waterproofing, meet with ESD Project Manager and

Inspector, Contractor, Installer, and other concerned parties.

b. Review requirements for waterproofing, including surface preparation specified under other Articles, substrate condition and pretreatment, minimum curing period, forecasted weather conditions, special details and sheet flashings, installation procedures, inspection and testing procedures, and protection and repairs.

c. Notify participants at least 7 calendar days before conference.

F. Delivery, Storage, and Handling:

1. Deliver materials to Project site in original packaging with seals unbroken, labeled with manufacturer’s name, product, and date of manufacturer, and directions for storage.

2. Store materials in their original undamaged packages in a clean, dry, protected location and within temperature range required by waterproofing manufacturer.

Protect stored materials from direct sunlight.

G. Project Conditions:

1. Environmental Conditions: Apply waterproofing within range of ambient and substrate temperatures recommended by waterproofing manufacturer. Do not apply waterproofing to a damp or wet substrate.

a. Do not apply waterproofing in snow, rain, fog, or mist.

2. Maintain adequate ventilation during preparation and application of waterproofing materials.

PART 2 - PRODUCTS

A. Manufacturers:

1. Available Products: Subject to compliance with requirements, products that may be incorporated in the Work include, but not limited to the following:

a. Rubberized-Asphalt Composite Sheet:

1. QSC 701; Carlisle Corporation, Carlisle Coatings & Waterproofing.

Inc.

2. Bituthene; Grace: W.R. Grace & Co.

3. Mel-Rol; Meadows: W.R. Meadows, Inc.

B. Self-Adhering Composite Sheet:

1. Rubberized-Asphalt Composite Sheet: 60 mil thick, self-adhering sheet consisting of 56 mils of rubberized asphalt laminated with a 4 mil thick polyethylene film with release liner on adhesive side.

a. Sheet Type: Manufacturer’s standard composite sheet for use when ambient and substrate temperatures are higher than 40 deg. F.

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b. Physical Properties: Provide waterproofing complying with the following:

1. Tensile Strength: 250 psi minimum per ASTM D 412, Die C, modified.

Section 07111- Composite Sheet Waterproofing Cont.

2. Ultimate Elongation: 300 percent maximum per ASTM D 412, Die C, modified.

3. Pliability: No cracks when bent 180 degrees over a 1 inch mandrel at minus 25 deg. Per ASTM D 146.

4. Crack Cycling: Unaffected after 100 cycles of 1/8 inch movement per

ASTM C 836.

5. Puncture Resistance: 40 lbf per ASTM E 154.

6. Water Absorption: 0.15 percent weight-gain maximum after 48 hour immersion at 70 deg. F. per ASTM D 570.

C. Auxiliary Materials:

1. General: Furnish auxiliary materials recommended by waterproofing manufacturer for intended use and compatible with waterproofing sheet membrane.

a. Furnish liquid-type auxiliary materials that meet VOC limits of authorities having jurisdiction.

2. Primer: Liquid primer recommended by manufacturer of sheet waterproofing membrane for particular substrate.

3. Sheet Flashing: Self-adhering, rubberized-asphalt composite sheet of same material, construction, and thickness as waterproofing sheet membrane.

4. Patching Membrane: Low-viscosity, 2-component, asphalt-modified coating.

5. Mastic, Adhesives, and Tape: Liquid mastic and adhesives, and adhesive tapes as recommended by waterproofing manufacturer.

6. Penetration Seal: Self-adhering reinforced membrane, 1 ½ inches wide with a tack-free protective adhesive coating on 1 side and a release film on self-adhesive side.

7. Metal Termination Bars: Metal termination bars are not allowed in the Work.

D. Insulation and Protection Board:

1. Extruded-Polystyrene Board Insulation: Rigid, cellular polystyrene thermal insulation formed by the expansion of polystyrene base resin in an extrusion process using non-hydro chlorofluorocarbons as the blowing agents, complying with ASTM C 578 for type and other requirements indicated below:

a. Type IV, 1.6-lb/cu ft. minimum density and 25-lb/sq. inch minimum compressive strength, and minimum 1/4 inch thick on vertical surfaces.

b. Waterproof Roof Deck Insulation: Type V, 3-lb/cu ft. minimum density and

100-lb/sq. inch minimum compressive strength, thickness as required

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PART 3 – EXECUTION

A. Examination:

1. Examine substrates, areas, and, and conditions under which waterproofing systems will be applied, with Installer present, for compliance with requirements. Do not proceed with installation until unsatisfactory conditions have been corrected.

a. Do not proceed with installation until minimum concrete curing period recommended by waterproofing manufacturer.

b. Verify substrate is visibly dry and free of moisture. Test for capillary moisture by plastic sheet method in accordance with ASTM D 4263.

c. Notify ESD Inspector in writing of anticipated problems using waterproofing over substrate.

B. Surface Preparation:

1. Clean, prepare, and treat substrate according to manufacturer’s written instructions. Provide clean, dust-free, and dry substrate for waterproofing application.

2. Mask off adjoining surfaces not receiving waterproofing to prevent spillage affecting other construction.

3. Remove grease, oil, form release agents, paints, and other penetrating contaminants from substrate.

4. Remove fins, ridges, mortar, and other projections and fill honeycomb, aggregate pockets, holes, and other voids.

5. Prepare, fill, prime, and treat joints and cracks in substrate. Remove dust and dirt from joints and cracks in accordance with ASTM D 4258.

a. Install membrane strip and center over construction and control joints and cracks exceeding a width of 1/16 inch.

6. Inside Corners: Prepare, prime, and treat inside corners according to waterproofing manufacturer’s written instructions.

a. Install membrane strip centered over vertical inside corners. Install ¾ inch fillets of liquid membrane on horizontal inside corners and as follows:

1. At footing-to-wall intersections: extend liquid membrane in each direction from corner or install membrane strip centered over corner.

2. At roof deck-to-wall intersections: extend liquid membrane or sheet membrane flashing onto deck waterproofing and to finished height of sheet flashing.

7. Outside Corners: Prepare and treat outside corners in accordance with waterproofing manufacturer’s written instructions.

a. Install membrane strip 12 inches wide, centered over corner.

5 Division 07 – Thermal and Moisture Protection

8. Prepared, treat, and seal vertical and horizontal surfaces at terminations and penetrations through waterproofing and at drains and protrusions in accordance with waterproofing manufacturer’s written instructions.

a. At expansion joints and discontinuous deck-to-wall or deck-to-deck joints:

bridge and cover with sheet membrane strips.

C. Self-Adhering Composite Sheet Application:

1. Install self-adhering composite sheet according to waterproofing manufacturer’s written instructions.

2. Apply primer to substrate at required rate and allow to dry. Limit priming to areas that will be covered by waterproofing membrane in same day. Re-prime areas exposed for more than 25 hours.

3. Apply and firmly adhere sheet membrane over area to receive waterproofing.

Accurately align sheets and maintain uniform 1 ½ inch minimum laps widths and end laps. Overlap and seal seams and stagger end laps to ensure watertight installation.

a. Install manufacturer’s standard rubberized-asphalt composite sheet when ambient and substrate temperatures are higher than 40 deg. F.

4. Apply sheet membrane from low point to high point of deck or vertical surface to ensure all laps shed water.

5. Apply continuous sheet membrane over membrane strips bridging each type of joint to dimensions indicated or required by manufacturer.

6. Seal exposed edges of membrane terminations not concealed by metal counterflashings or ending in reglets with mastic or sealant.

7. Install sheet membrane and auxiliary materials to tie into adjacent waterproofing.

8. Repair tears, voids, and lapped seams in waterproofing not meeting requirements. Slit and flatten fishmouths and blisters. Patch with sheet membrane extending 6 inches beyond damaged areas in all directions.

D. Insulation and Protection Board Installation:

1. Install one or more layers of insulation or protection board to achieve required thickness over waterproofing membrane. Cut and fit to within ¾ inch of projections and penetrations.

2. On vertical surfaces, set insulation units in adhesive or tape applied in accordance with manufacturer’s written instructions.

3. On horizontal surfaces, loose-lay insulation units in accordance with manufacturer’s written instructions. Stagger and joints and tightly abut insulation.

E. Field Quality Control:

1. Test each rood deck area for leaks after waterproofing and before installation of insulation and overlaying construction is placed. Plug or dam drains and fill

6 Division 07 – Thermal and Moisture Protection with water to a depth of 2 inches or to within 3 inches of top of sheet flashing, whoever is higher. Maximum water depth will not exceed 4 inches. Flood each area for a duration of 24 hours minimum.

2. Correct deficiencies in or remove waterproofing that does not comply with requirements, repair substrates, reapply waterproofing, repair sheet flashings and re-test.

F. Protecting and Cleaning:

1. Protect waterproofing from damage and wear during application and remaining construction period, by methods in accordance with manufacturer’s written instructions.

2. Clean spillage and soiling from adjacent construction using cleaning agents and procedures of affected area as recommended by manufacturer’s written instructions.

End of Section- 07111

7 Division 07 – Thermal and Moisture Protection

SECTION 07210- BUILDING INSULATION

H. Summary:

1. This Section includes the following:

a. Insulation under slabs-on-grade.

b. Foundation wall insulation (supporting backfill).

c. Cavity wall insulation.

d. Concealed building insulation.

e. Foamed-in-Place masonry wall insulation

f. Polyisocyanurate board insulation.

g. Safing insulation.

I. Related Sections:

2. Division 4, Section “Cavity Wall Masonry System”.

3. Division 7, Section “Single-Ply Membrane roofing”.

4. Division 7, Section “Open Cell Spray Insulation”.

5. Division 7, Section “Foamed-In-Place Insulation and Roofing”.

6. Division 7, Section “Standing Seam Roof Panels”.

7. Division 7, Section “Sheet Metal Flashing and Trim”.

8. Division 7, Section “Miscellaneous Carpentry”.

9. Division 9, Section “Gypsum Board Assemblies”.

J. Submittals:

a. Submittals: Submit in accordance with Division 1 requirements.

b. Product data for each type of insulation product specified.

c. Compliance information for FM I-90 insulation of Roof Insulation Board.

d. Manufacturer’s certificates for the cellulose and sprayed-in-place insulation products illustrating compliance with the level of performance required.

K. Quality Assurance:

1. Single-Source Responsibility for Insulation Products: Obtain each type of building insulation from a single source with resources to provide products complying with requirements indicated without delaying the Work.

2. Fire-Test-Response Characteristics: Provide insulation and related materials with the fire-test-response characteristics indicated on drawings, or specified elsewhere in this section, and/or as required by UFC per tests acceptable to authorities having jurisdiction. Identify materials with appropriate markings of applicable testing and inspecting agency.

a. Surface-Burning Characteristics: ASTM E 84.

3. Foamed-in-Place: Insulation will be installed per manufacturer’s recommendations and must come from the manufacturer pre-mix to ensure consistency. Upon request, a one year product and installation warranty will be issued by both the manufacturer and installer.

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Section 07210- Building Insulation Cont.

4. Engage an experienced dealer/applicator who has been trained and licensed in the installation of the product used, and has written proof of having 5 years’ experience and has successfully completed projects of similar scope.

L. Delivery, Storage, and Handling:

1. Protect insulation materials from physical damage and from deterioration by moisture, soiling, and other sources. Store inside and in a dry location.

Comply with manufacturer’s written instructions for handling, storing, and protection during installation.

2. Protect plastic insulation as follows:

a. Do not expose to direct sunlight, except to extent necessary for period of installation and concealment.

b. Protect against ignition at all times. Do not deliver plastic insulation materials to Project site before installation is scheduled.

c. Complete installation and concealment of plastic materials as rapidly as possible in each area of construction.

M. R Values:

a. General: Install insulation per 2014 Energy Code and latest amendments.

i. Roof Decks: Polyisocyanurate Insulation: R-37 (min.), based on Long Term

Thermal Value (LTTR).

ii. Attics: Blown-In Cellulose, Fiberglass or Mineral Wool: R-38, based on

Long Term Thermal Value (LTTR).

iii. Walls: Faced or Unfaced Fiberglass Batt Insulation, as indicated on the drawings: R-13, based on Long Term Thermal Value (LTTR).

iv. Cavity Walls: Extruded Polystyrene: R4.91 per ASTM C 177.

A. Insulating Materials:

2. General: Provide insulating materials that comply with requirements and with referenced standards:

a. Preformed Units: Sizes to fit applications indicated; selected from manufacturer’s standard thickness, widths, and lengths.

3. Extruded-Polystyrene Cavity Wall Board Insulation: Rigid, cellular polystyrene thermal insulation formed from polystyrene base resin by an extrusion process using a HCFC free blowing agent to comply with ASTM C 578 for type and with other requirements indicated below:

a. Type IV, 1.60 lb. /cu. ft. minimum, density, unless otherwise indicated.

b. Sized to fit between cavity wall reinforcing in masonry cavity walls.

Thickness or R value indicated on drawings or project scope/description.

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4. Protective Board: Fabric faced, rigid, cellular polystyrene thermal insulation formed by expansion of polystyrene base resin in an extrusion process using hydro chlorofluorocarbons as blowing agent to comply with ASTM C 578 for type indicated below. Provide products fabricated with tongue-and-groove edges and with one side having a matrix of vertical and horizontal drainage channels; faced with insulation manufacturer’s standard nonwoven filtration fabric.

a. Type IV, 1.60 ib. /cu. ft. minimum density.

5. Blown-In Insulation: Thermal insulation combining mineral fibers of type described below with thermosetting resins to comply with ASTM C 665, Type

I (blankets without membrane facing).

a. Mineral-Fiber Type Fibers manufacturer from cellulose or wool.

b. Surface-Burning Characteristics: Maximum flame-spread and smoke developed indices of 25 and 50, respectively.

6. Faced Mineral-Fiber Blanket Insulation: Thermal insulation combining mineral fibers of type with thermal setting resins to comply with ASTM C 665, Type

III, Class A (blankets with paper vapor-retarder membrane facing. Mineral

Fiber type as manufactured from glass.

7. Sprayed Applied Cellulose: Self-supporting sprayed applied cellulose material conforming to ASTM C 1149, with borate or ammonium sulfate as a flame retardant additive. The insulating assembly shall have a Class I rating per

ASTM E-84.

8. Slag-Wool-Fiber Board and Rock Wool: Semi-rigid boards designed for use as firestop at openings between edge of slab and exterior panels. Shall comply with ASTM C 612, Type IA and IB, passing ASTM E 136 for combustion.

9. Fasteners: Factory-coated steel fasteners and metal or plastic plates meeting corrosion-resistance provisions of F.M. 4470, designed for fastening roof insulation to substrate, and acceptable to roofing system manufacturer.

10. Fastener Pattern: Comply with FM I-90 when establishing fastener pattern required.

11. Sound Attenuation Batts (SABs): Attenuation insulation batts to be installed in stud wall cavity of interior walls, providing a Sound Transmission Class (STC) of 49, as tested in accordance with ASTM E 90.

a. Friction fit installation.

c. Mineral-Fiber Type Fibers manufacturer from glass.

d. Surface-Burning Characteristics: Maximum flame-spread and smoke developed indices of 25 and 50, respectively.

B. Vapor Retarders:

1. Polyethylene Vapor Retarder: ASTM D 4397, 10 mil thick, with maximum permeance rating of 0.13 perm (7.5 ng/Pa x s x sq. m.).

10 Division 07 – Thermal and Moisture Protection

C. Safing Insulation and Accessories:

1. Slag-Wool-Fiber Board Safing Insulation: Semi-rigid-boards designed for use as firestop at openings between edge of slab and exterior wall panels, produced by combining slag-wool fibers with thermosetting resin binders to comply with

ASTM C 612, Type IA, and IB; normal density of 4 lb./cu. ft.; passing ASTM

E 136 for combustion characteristics; thermal resistivity of 4 deg. F. x h sq.

Ft./Btu x in. at 75 deg. F.

2. Caulking Compounds: Material approved by manufacturer of safing insulation for sealing joint between foil backing of safing insulation and edge of concrete floor slab against penetration of smoke and fire.

PART 3 - EXECUTION

1. Examine substrates and conditions, with Installer present, for compliance with requirements of Section in which substrates and related work are specified to determine of other conditions affecting performance of insulation are satisfactory Do not proceed with installation until unsatisfactory conditions have been corrected.

B. Preparation:

1. Clean substrates of substances harmful to insulations or vapor retarders, including removing projections capable of puncturing vapor retarders or that interfere with insulation attachment.

2. Close off openings in cavities receiving foamed-in-place insulation to prevent escape of insulation. Provide bronze or stainless-steel screens (inside) where openings must be maintained for drainage or ventilation.

C. Installation, General:

1. Comply with insulation manufacturer’s written instructions applicable to products and application indicated.

2. Install insulation that is undamaged, dry, unsoiled, and has not been exposed at any time to ice or snow.

3. Extend insulation in thickness indicated to envelop entire area to be insulated.

Cut and fit tightly around obstructions and fill voids with insulation. Remove projections that interfere with placement.

4. Apply single layers of insulation in a staggered fashion at all board edges and ends for each layer to produce thickness or R value indicated.

5. Comply with FM I-90 when installing nailable roof insulation and recovery board.

11 Division 07 – Thermal and Moisture Protection

D. Installation of Perimeter and Under-Slab Insulation:

1. On vertical surfaces, set units in adhesive applied according to manufacturer’s written instructions. Use type of adhesive recommended by insulation manufacturer.

2. Protect below-grade insulation on vertical surfaces from damage during backfilling by applying protective board. Set in adhesive according to written instructions of insulation manufacturer.

3. Protect top surface of horizontal insulation from damage during concrete Work by applying protection board.

E. Installation of Cavity Wall and Masonry Cell Insulation:

1. Fill all open cells and voids in hollow concrete masonry walls where shown on drawings.

2. The foam insulation will be pressure injected through a series of 5/8” to 7/8” holes drilled into every vertical column of block cells (every 8” o.c.) beginning at an approximate height of four (4) feet from finished floor level.

3. Repeat this procedure at an approximate height of ten (10) feet above the first horizontal tow of holes (or as needed) until the void is completely filled.

4. Patch holes with mortar and score to resemble existing surface.

F. Installation of General Building Insulation:

1. Apply units to substrates by method indicated, complying with manufacturer’s written instructions.

2. If no specific method is indicated, bond units to substrate with adhesive or use mechanical fasteners to provide permanent placement and support of units.

3. Set vapor-retarder-faced units with vapor retarder to warm side of construction, unless otherwise indicated. Do not obstruct ventilation spaces, except for firestopping.

a. Tape joints and ruptures in vapor retarder, and seal each continuous area of insulation to surrounding construction to ensure airtight installation.

4. Self-reflective, foil-faced units with not less than 0.75 inch air space in front of foil as indicated.

5. Install mineral-fiber blankets in cavities formed by framing members according to the following requirements:

a. Use blanket widths and lengths that fill cavities formed by framing members. Where more than one length is required to fill cavity, provide lengths that will produce a snug fit between ends of pieces.

b. Place blankets in cavities formed by framing members to produce a friction fit between edges of insulation and adjoining framing members.

c. For wood framed construction with faced blankets having stapling flanges, lap blanket flange over flange of adjacent blanket to provide airtight installation after 1 side of concealing finish material is in place for interior installation; install after exterior cladding system is in place for exterior installations.

12 Division 07 – Thermal and Moisture Protection

6. Install board insulation on concrete substrates by adhesively attached, spindle-type insulation anchors as follows:

a. Fasten insulation anchors to concrete substrates with insulation anchor adhesive according to anchor manufacturer’s written instructions. Space anchors according to insulation manufacturer’s recommendations for insulation type, thickness, and application indicated.

b. Apply insulation standoffs to each spindle to create cavity width indicated between concrete substrate and insulation.

c. After adhesive has dried, install board insulation by pressing insulation into place over spindles and securing it tightly in place with insulation-retaining washers, taking care not to compress insulation below indicated thickness.

d. Where insulation will not be covered by other building materials, apply capped washers to tips of spindles.

7. Place loose-fill insulation into spaces and onto surfaces as shown, either by pouring or machine blowing to comply with ASTM C 1015. Level horizontal applications to uniform thickness as indicated, lightly settle to uniform density but not to compact excessively.

8. Stuff glass-fiber loose-fill insulation into miscellaneous voids and cavity spaces where shown. Compact to approximately 40 percent of normal maximum volume equaling a density of approximately 2.5 lb/cu. ft.

9. Install cellulose insulation to achieve R value noted on the drawings and in accordance with manufacturer’s written instructions.

10. Install Nailable Roof Insulation in accordance with manufacturer’s recommendations for an FM I-90 roof assembly where indicated on the drawings. All fasteners are to be galvanized.

G. Board Insulation Installation:

1. Coordinate installing roofing system components so insulation is not exposed to precipitation or left exposed at the end of the workday.

2. Comply with roofing system manufacturer’s written instructions for installing roof insulation.

3. Install one or more layers of insulation under area of roofing to achieve required thickness. Where overall insulation thickness is 2 inches or greater.

Install required thickness in 2 or more layers with joints of each succeeding layer staggered from joints of previous layer a minimum of 6 inches in each direction.

4. Install insulation with long joints of insulation in a continuous straight line with end joints staggered between rows, abutting edges and ends between boards. Fill gaps exceeding ¼ inch with insulation.

a. Cut and fit insulation within ¼ inch of nailers, projections, and penetrations.

5. Attached Insulation: Install each layer of insulation and secure to deck using mechanical fasteners specifically designed and sized for fastening specified board-type roof insulation to deck type indicated.

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6. Fasten insulation according to requirements of FM’s “Approved Guide” for specified Windstorm Resistance Classification and the insulation and roofing system manufacturer’s written instructions.

7. Fasten insulation according to the insulation and roofing system manufacturer’s written instruction as required to meet wind resistance

a. Insulation-retaining washers, taking care not to compress insulation below indicated thickness.

b. Where insulation will not be covered or concealed by other building materials, apply capped washers to tips of spindles.

H. Installation of Vapor Barriers:

1. General: Extend vapor retarder to extremities of areas to be protected from vapor transmission. Secure in place with adhesives or other anchorage system as required. Extend vapor retarder to cover miscellaneous voids in insulated substrates, including those filled with loose-fiber insulation.

2. Seal vertical joints in vapor retarders over framing by overlapping not less than 2 wall studs. Fasten vapor retarders to framing at top, end, and bottom edges at perimeter of wall openings; and at lap joints. Space fasteners 16 inches o.c.

3. Seal overlapping joints in vapor retarders with adhesives or vapor-retarder tape according to vapor retarder manufacturer’s instructions. Seal butt joints and fastener penetrations with vapor-retarder tape. Locate all joints over framing members or other solid substrates.

4. Seal joints caused by pipes, conduits, electrical boxes, and similar items penetrating vapor retarders with vapor-retarder tape to create an airtight seal between penetrating objects and vapor retarder.

5. Repair any tears or punctures in vapor retarders immediately before concealed by other Work. Cover with vapor-retarder tape or another layer of vapor retarder.

I. Installation of Curtainwall Insulation:

1. General: Apply insulation units to substrates by method indicated, complying with manufacturer’s written instructions and in accordance with tested assemblies where fire ratings are indicated.

2. Install foil-faced, Slag-Wool/Rock-Wool Fiber Board Insulation where indicated at curtainwalls for thermal insulation and for safing between floors according to the following requirements:

a. Install impaling pins: Weld steel pins to 2”x2”x16 ga. steel angles at 12 inches o.c.

b. Install 2”x2”x16 ga. steel angles for attachment on insulation; screw attach to aluminum curtainwall framing members on all sides of panel opening, to be installed with angled legs parallel with curtainwall panels at 2 inches back from interior face of curtainwall framing.

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c. Install foil-faced, slag-wool/rock-wool-fiber board insulation in panel openings formed by framing members according to the following requirements:

1. Use blanket widths and lengths that will fill cavities formed by framing members. Cut lengths to provide a snug fit between vertical curtainwall framing members. Install length horizontally in curtainwall panel openings impaled on impaling pins attached to steel perimeter angles. Where more than one width of insulation is required to fill cavity, provide 2”x2”x16 ga. thick, embedded in full length of horizontal splice of blankets.

2. Install impaling shields over insulation boards at each impaling pin.

d. Install safing insulation between edge of floor and curtainwall assembly as indicated.

e. Install 6 inch wide x 1 inch slag-wool/rock-wool-fiber board insulation continuously over all mullions supporting curtainwall insulation by impaling on same pins supporting curtainwall panel insulation. Install impaling shields over insulation covering mullions at each impaling pin.

J. Installation of Safing Insulation:

1. Install safing insulation to fill gap between edge of concrete floor slab, top of block wall, and other structural components, back of exterior spandrel panels, and other similar conditions with safing clips spaced as needed to support insulation, but not further than 24 inches.

2. Cut safing insulation wider than gap to be filled to ensure compression fit and seal joint between insulation and edge of building component with caulking approved by safing insulation manufacturer for this purpose. Leave no voids in completed installation.

K. Protection:

1. General: Protect installed insulation and vapor retarders from damage due to harmful weather, physical abuse, and other causes. Protect temporary coverings or enclosures where insulation is subject to abuse and cannot be concealed and protected by permanent construction immediately after installation.

End of Section- 07210

15 Division 07 – Thermal and Moisture Protection

SECTION 07219- OPEN CELL INSULATION

A. Related Sections:

1. Division 6, Section “Miscellaneous Carpentry”

2. Division 7, Section “Building Insulation”

3. Division 7, Sections “Foamed-In-Place Insulation and Roofing”

4. Division 9, Section “Gypsum Board Assemblies”

B. References:

1. ASTM E 84: For Surface Burning Characteristics of Building Materials.

2. ASTM C 518: For Steady-State Thermal Transmission Properties.

3. ASTM E 283: For Determining Rate of Air Leakage.

4. ASTM D 1622: For Apparent Density of Rigid Cellular Plastics.

5. ASTM D 1623: For Tensile and Tensile Adhesion Properties of Rigid Cellular

Plastics.

6. ASTM D 2126: For Response of rigid Cellular Plastics to Thermal and Humid

Aging.

7. ASTM E 96: For Water and Vapor Transmission of Materials.

8. ASTM 2656: For Open Cell Content of Rigid Cellular Plastics.

9. ASTM G 21: For Fungus Resistance.

C. Quality Assurance:

1. Regulatory Approvals: Provide products approved with ICC-ES 2478.

2. Manufacturer: Company specializing in manufacturing products in Section with a minimum of five years documented experience.

3. Installer: Company with 5 successful similar projects in Section with a minimum of 5 years documented experience.

4. Installer: Company that is certified and licensed through the material manufacturer.

5. Installer: Company with documented proof of successfully completing projects of similar size and scope.

D. Submittals:

1. Submittals: Submit in accordance with Division 1 requirements.

2. Safety and handling instructions for storage, handling and use of the materials including Materials Safety Data Sheets (MSDS) on each product intended for the use.

3. Field Quality Control Procedures to be utilized by the contractor/applicator to insure proper installation of the sprayed in place insulation.

E. Materials, Delivery, and Storage:

1. Materials will be delivered in manufacturers original, tightly sealed containers or unopened packages clearly labeled with manufacturer’s name, product identification, approvals, and lot numbers where applicable.

16 Division 07 – Thermal and Moisture Protection

Section 07219- Open Cell Insulation Cont.

2. Containers will be stored out of the weather and away from direct sunlight in a cool dry place at temperatures between 50 and 70 degrees F within the limits specified by the materials manufacturer.

3. All materials shall be stored in compliance with local fire and safety codes.

F. Environmental Conditions:

1. Maintain environmental conditions (temperature, humidity, and ventilation) within limits recommended manufacturer for optimum results. Do not install polyurethane foam before the rook assembly has been sufficiently installed to prevent an accumulation of water in the interior of the building.

2. Do not apply polyurethane foam when substrate temperature is below 40 degrees F and ambient air temperature is below 30 degrees F.

3. Or above 120 degrees F and relative humidity is greater than 85 percent unless advance means and methods are recommended by the manufacturer.

G. Sequencing of Scheduling:

1. In New Construction: Install sprayed-in-place insulation system when the primary structure of the walls and roof are in place to prevent the accumulation of water in the interior of the building and in coordination with other building trades.

H. Safety Requirements:

1. All non-essential personnel are to be restricted from access to the area where sprayed in place insulation is applied.

2. Fire extinguishers will be provided in the spray foam equipment area and the area where the spraying in being performed.

3. Review MSDS’s with spray foam personnel and be familiar with the chemicals and their hazards.

4. Post warning signs at all work area entrances to restrict entry by unauthorized personnel.

5. There will be no welding or open flame with 100 feet of sprayer.

6. Attention should be paid to ground equipment to prevent sparking.

7. Seal off work area from adjacent rooms and ventilation ducts.

8. Restrict access of non-application personnel including other trades, using caution tape.

9. All personnel involved with spraying will wash their hands thoroughly before eating or drinking.

10. Do not eat, drink, or smoke in work area.

11. Wear Personal Protection Equipment (PPE) for breathing, body, exposed skin and eye protection during application.

12. Ventilation will be provided in confined areas as needed for at least 24 hours minimum after the spraying has been completed.

13. Contact manufacturer for recommendations and guidance on ventilation time and re-occupancy for the formulation contractor is using.

17 Division 07 – Thermal and Moisture Protection

14. Be aware of general safety regulations and recommendations when working around electric, hydraulic, pneumatic and combustion equipment such as portable generators.

15. Apply thermal barriers and vapor barriers (if required) in accordance to specifications in other sections.

PART 2 – PRODUCTS

A. Manufacturers:

1. Available Products: Subject to compliance with requirements, products that may be incorporated into the Work, but are not limited to:

a. Manufacturer: Basis-of-Design: Gaco Western LLC, or an approved equal.

b. Substitution not permitted without approval.

B. Polyurethane Foam:

1. Open Cell Foam sprayed in place insulation shall be a two component system made by combining an isocyanate (A) component with a polyol (B) component and will possess the following typical physical properties.

a. Density (ASTM D 1622): 0.45-0.55 lbs./ft3

b. Open Cell Content (ASTM D 2856): <0.4%

c. Aged R Value (ASTM C 518), tested at 75

d. Water Vapor Transmission (ASTM E 96): 13 perm-in

e. Air Permeance (ASTM E 283): 0.009 L/s-m2 @ 750 at 3.5” thick

0.007 L/s-m2 @ 750 at 5.5” thick

2. Fire Performance Testing: Per ASTM E 84 (also known as ANSI 2.5, NFPA

255, UBC 8-1 (42-1) and UL 723):

a. Surface Burning Characteristics Flame Spread Index: <25 Flame

b. Smoke Development Index: <250 Smoke

c. Report alternative thermal barrier performance per the IBC and NFPA

286- as applicable.

C. Related Products:

1. Single Component Polyurethane Foam Sealants and caulks for use around windows, doors, etc. will be as approved by manufacturer.

2. Vapor Retarder:

a. Asphaltic

b. Butyl

c. Chlorosulfonated Polyethylene

d. Polyethylene Film

A. Surface Preparation:

1. All surfaces that are to be insulated with foam will be free of loose impediments such as dust, scale, peeling paint and oxidation.

18 Division 07 – Thermal and Moisture Protection

2. All surfaces not receiving foam will be masked to avoid overspray.

B. Substrate Consideration and Preparation:

1. Wood:

a. Wood will contain no more than 18% water.

b. Most untreated and unpainted wood surfaces need not be primed. Spray polyurethane foam can be applied directly to the dry wood. Priming may be required in certain cases.

1. Steel:

a. Primed or Previously Painted: Apply only when metal surface is free of scale, rust or oils primer is not required. If rust is present remove using power tool cleaning methods. If oils are present remove by solvent wiping.

Stainless steel requires primer.

b. Galvanized: Prime per manufacturers recommendations. (Galvanized studs usually do not require primer).

c. Spray applied Foam Insulation: When applying polyurethane foam over gypsum board, the first pass shall be no more than one inch in thickness.

d. Vapor Retarder Application: When required, a vapor retarder will be applied to the warm in winter side of the foam insulation.

C. Storage of Materials:

a. Materials will be protected from freezing and should be stored in a controlled environment at a temperature of 600-1000 F.

b. A and B chemical drum temperatures must be 600-800 F before and during spraying for the drum to be serviceable (ready to spray). Material temperature below 600 F can result in proportioning errors and/or insufficient heat at the gun.

End of Section 07219

19 Division 07 – Thermal and Moisture Protection

SECTION 07240- EXTERIOR INSULATION FINISH SYSTEM – (Fluid Applied

Air Barrier, Channel Adhesive Drainage Type over CMU)

1. Division 3, Sections “Cast-in-Place Concrete” and “Plant Pre-Cast

Architectural Concrete”.

2. Division 4, Section “Unit Masonry”.

3. Division 5, Section “Structural Steel”.

4. Division 6, Section “Miscellaneous Carpentry”.

5. Division 7, Section “Joint Sealants”

6. Division 7, Section “Standing Seam Roof Panels/Flashing/Gutter and

Downspouts”

7. Division 7, Section “Sheet Metal Flashing and Trim”.

8. Division 8, Section “Aluminum Storefront Entrances”.

9. Division 8, Section “Aluminum Curtain Walls”.

1. All work in the Section must meet the following:

a. ASTM C 150- Standard Specification for Portland Cement

b. ASTM C 297- Standard Test Method for Flatwise Tensile Strength of

Sandwich Constructions.

c. ASTM C 578- Standard Specification for Rigid, Cellular Polystyrene

Thermal Insulation.

d. ASTM D 968- Standard Test Methods for Abrasion Resistance of Organic

Coatings by Falling Abrasive.

e. ASTM D 2247- Standard Practice for Testing Water Resistance of Coatings in 100% Relative Humidity.

f. ASTM D 3273- Standard Test Method for Resistance to Growth of Mold on the Surface of Interior Coatings in an Environmental Chamber.

g. ASTM E 96- Standard Test Method for Water Vapor Transmission of

Materials.

h. ASTM E 331- Test Method for Water Penetration of Exterior Windows, Skylights, Doors, and Curtain Walls by Uniform Static Air Pressure

Difference.

i. ASTM E 119- Standard Method for Fire Tests of Building Construction and

Materials.

j. ASTM E 2178- Standard Test Method for Air Permeance of Building

Materials.

k. ASTM E 2273- Test Method for Determining the Drainage efficiency of

Exterior Insulation and finish Systems, Clad wall Assemblies.

l. ASTM E 2357- Standard Test Method for Determining Air leakage of Air

Barrier Assemblies.

20 Division 07 – Thermal and Moisture Protection

Section 07240- Exterior Insulation and Finish System Cont.

m. ASTM E 2430- Standard Specification for Expanded Polystyrene (EPS)

Thermal Insulation Boards for use in Exterior Insulation and Finish Systems

(EIFS).

C. Definitions:

1. Air Barrier: An air barrier should not be confused with vapor retarder. A vapor retarder is placed in the wall to resist differential vapor pressure and placed on the warm side of the wall, whereas the air barrier is designed to resist the structural live loads induced by air pressure difference.

2. Base Coat: Materials used to encapsulate one or more layers of reinforcing mesh fully embedded that is applied to the outside face of the EPS.

3. Building Expansion Joint: A joint through the entire building structure designed to accommodate structural movement.

4. Contractor: The contractor that installs the EIFS to the substrate.

5. Expansion Joint: A structural discontinuity in the EIFS.

6. Finish: An Acrylic-based texture applied over the base coat.

7. Insulation Board: Expanded polystyrene (EPS) insulation board, which is affixed to the substrate and creates a layer of continuous insulation.

8. Reinforcing Mesh: Glass fiber mesh used to reinforce the base coat and to provide impact resistance.

9. Mechanical Fasteners: A combination of polypropylene washers and corrosion resistant fasteners used to secure the water-resistive barrier and insulation board to the substrate.

10. Reinforcing Mesh: Glass fiber mesh (es) used to reinforce the base coat and to provide impact resistance.

11. Sheathing: A substrate in sheet form.

12. Substrate: The material to which the EIFS is affixed.

13. Substrate System: The total wall assembly including the attached substrate to which the EIFS is affixed.

D. System Description:

1. General: The Exterior Insulation Finish System (EIFS) Class PB, designed for use on noncombustible or combustible type construction. EIFS is installed over a fluid applied weather resistive air/water barrier, and consists of a drainage medium and drainage accessory, expanded polystyrene insulation board, channel adhesive attached method, base coat, reinforcing mesh(es) and finish.

2. Acceptable system configuration is as follows:

a. Fluid Applied Air/Water Barrier (by EIFS Manufacturer)

b. 2-inch-thick EPS board

c. Base Coat.

d. Reinforcing mesh.

e. Finish base coat.

f. Finish coat.

21 Division 07 – Thermal and Moisture Protection

E. Design Requirements:

1. Acceptable substrates for the EIFS include the following:

a. Exterior grade gypsum sheathing meeting ASTM C 1396 requirements for water resistant core or Type X core at the time of application.

b. Exterior sheathing having water-resistant core with fiberglass mat facers meeting ASTM C 1117.

c. APA Exterior or Exposure 1 Fire Retardant Treated (FRT) Plywood, Grade

C-D or better, nominal 1/2 inch, minimum, installed with the C face out.

d. Glazed brick, cement plaster, concrete or masonry.

2. Deflection of substrate systems will not exceed 1/240 times the span.

3. The substrate will be flat within 1/4 inch in a 4-ft. radius.

4. The slope of inclined surfaces will not be less than 6:12. The width of inclined surfaces will not exceed 12 inches.

5. All areas requiring impact resistance classification higher than “standard”, as defined by ASTM E 2486, will be as detailed in the drawings or described in the specifications. Refer to Part 1, D, and paragraph 2 of this Specification.

6. Expansion Joints:

a. Design and Location of expansion Joints in the EIFS will be installed as indicated on the Drawings and will be placed at the following locations:

1. Where expansion joints occur in the substrate.

2. Where building expansion joint occur.

3. At floor lines in wood frame construction.

4. At floor lines of non-wood framed buildings where significant movement is expected.

5. Where the EIFS abuts dissimilar materials.

6. Where substrate type changes.

7. Where prefabricated panels abut one another.

8. In continuous elevations at intervals not exceeding 75 feet.

9. Where significant structural movement occurs such as changes in roofline, building shape or structural systems.

7. Terminations:

a. Prior to applying the EIFS, wall openings will be treated with manufacture’s flashing tape.

b. The EIFS will be held back from adjoining materials around openings and penetrations such as windows, doors, and mechanical equipment a minimum of 3/4 inches for sealant application.

c. The system will be terminated 8 inches above finished grade.

d. Sealants:

1. Shall be manufactured and supplied by others.

2. Shall be compatible with EIFS.

3. The sealant backer rod will be closed cell.

22 Division 07 – Thermal and Moisture Protection

e. Flashing: Will be provided at all roof-wall intersections, windows, doors, chimneys, decks, balconies, and other areas as necessary to prevent water from entering behind the EIFS.

8. Performance Requirements:

a. The EIFS will have been tested as follows:

1. Durability:

a. Abrasion Resistance: ASTM D 956

b. Accelerated Weathering: ASTM G 155 Cycle 1

c. Freeze Thaw: ASTM E 2485 Method A, ASTM C 67 modified, ASTM E 2485 Method B.

d. Mildew Resistance: ASTM D 3273

e. Water Resistance: ASTM D 2247

f. Taber Abrasion: ASTM D 4060

g. Salt Spray Resistance: ASTM B 117

h. Water Penetration: ASTM E 331

i. Water Vapor Transmission: ASTM E 96 Procedure B

j. Drainage Efficiency: ASTM E 2273

2. Structural:

a. Tensile Bond: ASTM C 297/E 2134

b. Transverse Wind Load: ASTM E 330

3. Impact Resistance: According to ASTM E 2486

a. Standard Mesh - 4.3 oz/yd: 150 lbs/in

b. Standard Plus Mesh- 6 oz/yd: 200 lbs/in

c. Intermediate Mesh- 12 oz/yd: 300 lbs/in

d. Panzer Mesh- 152-15 oz/yd: 400 lbs/in

e. Panzer Mesh- 202-20.5 oz/yd: 550 lbs/in

f. Detail Mesh- 4.3 oz/yd: 150 lbs/in

g. Corner Mesh- 7.2 oz/yd: 274 lbs/in

4. Fire Performance:

a. Fire Resistance: ASTM E 119

b. Ignitability: NFPA 268

c. Intermediate Multi-Story Fire Test: NFPA 285 (UBC 26-9)

d. Fire Burning Characteristics: ASTM E 84

F. Requirements, General:

1. Pre-Installation Meeting:

a. As specified in Division 00, Section “Pre-Bid and Pre-Construction

Meetings”, a pre-installation meeting will be held at the Project site.

b. Attendees will be ESD Project Manager and Inspector, Contractor, Installer.

c. Contractor will notify all attendees a minimum of 7 calendar days before scheduled meeting.

2. Sequencing:

a. Provide jobsite grading prior to installation of EIFS with moisture drainage so that the system may be terminated at 8 in. above finished grade.

23 Division 07 – Thermal and Moisture Protection

b. Coordinate installation of foundation waterproofing, roofing membrane, windows, doors, and other penetrations of the exterior walls to provide a continuous air and water-resistive barrier.

c. Provide protection of rough openings before installing windows, doors, and other penetrations of the exterior walls.

d. Coordinate installation of windows and doors so air and water-resistive barrier components are connected to them to provide a continuous barrier.

Section 07240- Exterior Insulation and Finish System Cont.

e. Install window and door head flashings immediately after windows and doors are installed.

f. Install diverter flashings wherever water can enter the wall assembly to direct water to the exterior.

g. Install copings and sealants immediately after installation of the EIFS with moisture drainage and when EIFS coatings are dry.

h. Attach penetrations through EIFS to structural support and provide water-tight seals at penetrations.

G. Submittals:

1. Submit product data of EIFS specified, including manufacturer’s printed instructions for evaluating, preparing, and treating substrate, technical data, and tested physical and performance reports.

2. Submit 1 sample of the EIFS with moisture drainage for each finish, texture, and color to be used on the Project. Use the same tools and techniques proposed for the actual installation. Sample sizes to be 12”x12” and will accurately represent each color and texture being utilized on the Project.

3. Submit a current copy of the manufacturer’s “Trained Contractor Certificate” for the system specified.

4. Submit a copy of the manufacturer’s installation details and application

H. Quality Assurance:

1. Manufacturer’s Qualifications:

a. A member in good standing of the EIFS Industry Members Association

(EIMA).

b. Manufacture Exterior Insulation and Finish System with moisture drainage materials at a facility covered by a current ISO 9001:2008 and ISO

14001:2004 certification. Certification of the facility is done by a registrar accredited by the American National Standards Institute, Registrar

Accreditation Board (ANSI-RAB).

2. Contractor Qualifications:

a. Knowledgeable in the proper installation of the Exterior Insulation and

Finish System with Moisture Drainage.

b. Possess a current applicator certificate from the EIFS manufacturer or equal certificate, issued by a manufacturer determined to be equal by ESD

Project Manager.

24 Division 07 – Thermal and Moisture Protection

c. Has written documentation of successfully completed a minimum of three projects of similar scope and scale to the specified Project.

d. Has written documentation of having 5 years’ experience of installation with the EIFS system, or equal to that of specified system.

3. Insulation Board Manufacturer Qualifications:

a.…