07 21 40 Spray Foam Insul.pdf

07 21 14

Annex Addition to B3010

SECTION 07 21 14

SPRAY FOAM INSULATION

PART 1 GENERAL

1.1 SECTION INCLUDES

A. Open Cell Spray Foam Insulation.

1.2 RELATED SECTIONS

A. Section 07480 - Exterior Wall Assemblies: Exterior Insulated Finish Systems EIFS.

B. Section 09200 - Gypsum Board: Insulation installed in conjunction with interior wall and ceiling finish systems.

C. Section 15810 - Ducts: Insulation to surround HVAC ductwork.

1.3 REFERENCES

A. ASTM C 518 - Standard Test Method for Steady-State Thermal Transmission Properties by Means of the Heat Flow Meter Apparatus.

B. ASTM C 177 - Standard Test Method for Steady-State Heat Flux Measurements and Thermal Transmission Properties by Means of the Guarded-Hot-Plate Apparatus.

C. ASTM C 1338 - Standard Test Method for Determining Fungi Resistance of Insulation Materials and Facings.

D. ASTM E 84 - Standard Test Method for Surface Burning Characteristics of Building Materials.

E. ASTM E 96 - Standard Test Methods for Water Vapor Transmission of Materials.

F. ASTM E 283 - Standard Test Method for Determining Rate of Air Leakage Through Exterior Windows, Curtain Walls, and Doors Under Specified Pressure Differences Across the Specimen.

G. ASTM D 1621 - Standard Test Method for Compressive Properties of Rigid Cellular Plastics.

H. ASTM D 1622 - Standard Test Method for Apparent Density of Rigid Cellular Plastics.

I. ASTM D 1623 - Standard Test Method for Tensile and Tensile Adhesion Properties of Rigid Cellular Plastics.

J. ASTM D 2126 - Standard Test Method for Response of Rigid Cellular Plastics to Thermal and Humid Aging.

K. ASTM D 2842 - Standard Test Method for Water Absorption of Rigid Cellular Plastics.

1.4 PERFORMANCE REQUIREMENTS

A. Conform to applicable code for flame and smoke, concealment, and over coat requirements.

1.5 SUBMITTALS

A. Submit under provisions of Section 01300.

B. Product Data: Manufacturer's data sheets on each product to be used, including:

1. Preparation instructions and recommendations.

2. Storage and handling requirements and recommendations.

3. Installation methods.

C. Manufacturer's Certificates: Certify products meet or exceed specified requirements.

1.6 QUALITY ASSURANCE

A. Manufacturer Qualifications: Manufacturer with a minimum of ten years experience manufacturing products in this section shall provide all products listed.

B. Installer Qualifications: Products listed in this section shall be installed by a single organization with at least five years experience successfully installing insulation on projects of similar type and scope as specified in this section.

C.Toxicity/Hazardous Materials

1.Provide products that contain no urea-formaldehyde.

2.Products and equipment requiring or using CFCs, HCFCs, or HFCs during the manufacturing or application process will not be permitted.

3.Provide products that contain no PBDEs

D. Mock-Up: Provide a mock-up for evaluation of surface preparation techniques and application workmanship.

1. Finish areas designated by Architect.

2. Do not proceed with remaining work until workmanship is approved by Architect.

3. Refinish mock-up area as required to produce acceptable work.

1.7 DELIVERY, STORAGE, AND HANDLING

A. Deliver and store products in manufacturer's unopened packaging bearing the brand name and manufacturer's identification until ready for installation.

B. Storage: Store materials in dry locations with adequate ventilation, protected from freezing rain, direct sunlight and excess heat and in such a manner to permit easy access for inspection and handling.

Store at temperature between 55 and 80 degrees F (12.7 to 26.6 degrees C).

C. Handling: Handle materials to avoid damage.

1.8 PRE-APPLICATION MEETINGS

A. Convene minimum two weeks prior to starting work of this section.

1.9 SEQUENCING

A. Ensure that products of this section are supplied to affected trades in time to prevent interruption of construction progress.

1.10 PROJECT CONDITIONS

A. Maintain environmental conditions (temperature, humidity, and ventilation) within limits recommended by manufacturer for optimum results. Do not install products under environmental conditions outside manufacturer's absolute limits.

B. Do not apply insulation when substrate temperatures are under 40 degrees F (4.4 degrees C) prior to installation.

C. Surfaces must be dry prior to application of spray foam. Excess humidity may cause poor adhesion, and result in product failure.

D. To avoid overspray, product should not be applied when conditions are windy.

PART 2 PRODUCTS

2.1 MANUFACTURERS

A. Acceptable Manufacturer:

1.CertainTeed Corp., Insulation Group

2. ICYNENE LD-C-50TM by Icynene Inc

B. Substitutions: Not permitted.

C. Requests for substitutions will be considered in accordance with provisions of Section 01600.

2.2 SPRAY FOAM INSULATION

A. Insulation: Polyurethane water-blown type Open Cell Foam: Listed Manufacturers or approved equal; Open Cell Foam is a low density, MDI-based semi-rigid polyurethane foam:

1. Physical and Mechanical Properties:

a. Core Density: 0.45-0.55 pcf when tested in accordance with

ASTM D 1622.

b. Thermal Resistance: 3.6 when tested in accordance with ASTM C 518 at 75 degrees F, (h-ft2- degrees F)/Btu.

c. Open Cell Content: Greater than 95 percent when tested in accordance with ASTM D 2842.

d. Compressive Strength: Greater than 2.4 psi when tested in accordance with ASTM D 1621.

e. Tensile Strength: 5.2 psi when tested in accordance with

ASTM D 1623.

f. Water Absorption: Less than 30 percent by volume when tested in accordance with ASTM D 2842.

g. Dimensional Stability: Less than 12 percent by volume when tested in accordance with ASTM D 2126 at 75 degrees F/95 percent RH, 28 Days.

h. Water Vapor Transmission: 33 perm/inch when tested in accordance with ASTM E 96.

i. Air Permeability: 0.013 when tested in accordance with ASTM E 283 at 5-1/2 inch thickness, L/s/m2.

j. Fungi Resistance: Pass, with no growth when tested in accordance with ASTM C 1338.

2. Fire performance

a. Flame Spread: Less than 25 when tested in accordance with

ASTM E 84.

b. Smoke: Less than 400 when tested in accordance with ASTM E

84.

c. Oxygen Index 23 percent

3. Thermal Performance: Tested in accordance with ASTM C 518 and/or ASTM C 177 at 75 degrees F (24 degrees C) mean temperature.

a. Thickness 6 inches (152 mm), R-Value 21.6 (h-ft2-degreesF)/Btu (3.8 (m2-degreesC)/W).

PART 3 EXECUTION

3.1 EXAMINATION

A. Do not begin installation until substrates have been properly prepared.

B. Verify that all exterior and interior wall, partition, and floor/ceiling assembly construction has been completed to the point where the insulation may correctly be installed.

C. Verify that substrate and cavities are dry and free of any foreign material that will impede application.

D. Verify that mechanical and electrical services in ceilings, walls and floors have been installed and tested and, if appropriate, verify that adjacent materials are dry and ready to receive insulation.

E. If substrate preparation is the responsibility of another installer, notify Architect of unsatisfactory preparation before proceeding.

3.2 PREPARATION

A. Clean surfaces thoroughly prior to installation.

B. Prepare surfaces using the methods recommended by the manufacturer for achieving the best result for the substrate under the project conditions.

C. Mask and protect adjacent surfaces from overspray or dusting.

3.3 INSTALLATION

A. Install in accordance with manufacturer's instructions. Product must be installed according to local code, and must be applied by a qualified applicator.

B. Apply insulation by spray method, to uniform monolithic density without voids.

C. Apply to minimum cured thickness as indicated on the Drawings or as scheduled at the end of this Section.

D. Apply to minimum cured thickness of ____ inches.

E. Apply to achieve thermal resistance R-Value of _____ .

F. Apply insulation to seal voids at truss ends to prevent wind scouring of ceiling insulation.

G. Seal plumbing stacks, electrical wiring and other penetrations into attic to control air leakage.

H. Apply insulation to fill voids around bathtubs to point of accessibility.

I. Apply insulation to fill voids around doors and windows. Apply insulation to fill voids around accessible service and equipment penetrations.

J. Do not install spray foam insulation in areas where it will be in contact with equipment or materials with operating temperatures of 180 degrees F (82 degrees C) or greater.

K. Apply insulation in unvented roof spaces and cathedral ceiling areas.

L. Where building is designed to meet the specific air tightness standards of the Energy Star Program, apply insulation as recommended by manufacturer to provide airtight construction. Apply sealant to joints between structural assemblies as specified in Division 7.

M. Patch damaged areas using a certified installer.

3.4 FIELD QUALITY CONTROL

A. Inspection will include verification of insulation and density.

3.5 PROTECTION

A. Protect installed products until completion of project.

B. Touch-up, repair or replace damaged products before Substantial Completion.

3.6 SCHEDULES

A. For the following locations, apply the average cured thickness indicated.

1. Building roof deck; underside between rafters; from ridge down to eaves. Protect ridge vent which shall remain open for attic ventilation.

END OF SECTION