07 27 29
Short Form Guide Specification
FOAMED-IN-PLACE
AIR BARRIERS
November 2005
2005 11 01
Dow Chemical Canada ULC
Short Form Guide Specification - Foamed-in-Place Air Barriers
GREAT STUFF PRO™ Insulating Foam Sealants
SPEC NOTE: Following are suggested specification paragraphs to be used when specifying foamed-inplace air barrier sealants. These products are typically considered accessories to the overall air barrier
system, and may be included in Section 07 27 00 - Air Barriers.
SPEC NOTE: Insert the required paragraphs into the Section under the noted Articles, and make any
required selections, such as density, thermal resistance, etc. Where selection is indicated with an [OR]
statement, select the appropriate paragraph and delete the inappropriate statement. Delete all SPEC NOTEs
and [OR] statements prior to final printing.
DISCLAIMER: The manufacturer has reviewed the product information contained in this short form
specification and is responsible for its accuracy. The information is organized and presented to assist the
specification writer working on a construction project to select the appropriate products and to save time in
writing the project specification Section. The specification writer is responsible for product selection as
well as the use and application of this information, and should contact the manufacturer to ensure that all
options are available and that the associated specification information is valid and correct.
1 General
1.X REFERENCES
.1 CAN/ULC-S710.1-[05]: Standard for Thermal Insulation - Bead Applied One-Component
Polyurethane Air Sealant Foam, Part 1: Material Specification.
.2 CAN/ULC-S710.2-[05]: Standard for Thermal Insulation - Bead Applied One-Component
Polyurethane Air Sealant Foam, Part 2: Application.
1.X DELIVERY, STORAGE AND HANDLING
.1 Refer to Section [01 00 00][01 60 00].
.2 Store Products in a dry and adequately ventilated area, with an ambient temperature maintained
between [0 degrees C and 32 degrees C] [32 degrees F and 90 degrees F].
.3 Keep containers tightly closed when not in use.
.4 Protect containers from damage.
.5 Keep Products away from direct sunlight.
.6 Do not incinerate aerosol canisters.
1.X ENVIRONMENTAL REQUIREMENTS
.1 Apply foamed-in-place air barriers when ambient air temperature is greater than [-3 degrees C]
[25 degrees F] and less than [44 degrees C] [120 degrees F].
2005 11 01
Dow Chemical Canada ULC
Short Form Guide Specification - Foamed-in-Place Air Barriers
GREAT STUFF PRO™ Insulating Foam Sealants
2 Products
2.X ACCESSORIES
.1 Foamed-in-Place Sealant - General Purpose Type: semi-rigid single-component polyurethane
sealant, to CAN/ULC-S710.1; and having the following properties:
SPEC NOTE: Gun-applied and Straw-applied products differ in thermal resistance values. Refer to Dow
product literature to determine applicable application technique and edit the following accordingly.
.1 Thermal Resistance (ASTM C518): [RSI [0.73][0.67] per 25 mm thickness][R[4.2][3.8] per inch thickness].
SPEC NOTE: Gun-applied and Straw-applied products differ in core density values. Refer to Dow product
literature to determine applicable application technique and edit the following accordingly.
.2 Core Density (ASTM D1622): [[16.02][24.03] kg/m3] [[1.0][1.5] pcf].
.3 Fire Resistance (ASTM E84): Flame spread = 15, Smoke Developed = 20.
.4 Colour: Light Tan.
.5 Cure Time: approximately 1 hour.
.6 Tack-free Time: 6-7 minutes.
.7 Applicator: [Gun] [Straw] applied.
.8 Manufacturer's and Product Name: GREAT STUFF PRO™ Gaps and Cracks
Insulating Foam Sealant by Dow Chemical Canada ULC
.2 Foamed-in-Place Sealant - Low Pressure Type: semi-flexible soft, single-component
polyurethane sealant, to CAN/ULC-S710.1; and having the following properties:
.1 Core Density (ASTM D1622): [27.24 kg/m3] [1.7 pcf].
.2 Fire Resistance (ASTM E84): Flame spread = 10, Smoke Developed = 20.
.4 Colour: Yellow.
.5 Cure Time: approximately 12 hours.
.6 Tack-free Time: 6-9 minutes.
.7 Applicator: [Gun] [Straw] applied.
.8 Manufacturer's and Product Name: GREAT STUFF PRO™ Window & Door
Insulating Foam Sealant by Dow Chemical Canada ULC
.2 Tool Cleaner: formulated to dissolve and remove uncured polyurethane foam from dispenser
tools; eg. GREAT STUFF PRO™ Tool Cleaner by Dow Chemical Canada ULC
3 Execution
3.X INSTALLATION
.1 Apply foamed-in-place air barrier sealants in strict accordance with manufacturer's installation
guidelines.
.2 Conform to CAN/ULC-S710.2.
.3 Avoid overfilling restricted spaces.
.4 Apply general purpose foamed-in-place sealant in gaps and cracks up to [75 mm] [3 inches] in
size.
.5 Apply low pressure foamed-in-place sealant in gaps and cracks adjacent to door and window
frames, up to a maximum gap width of [75 mm] [3 inches].
2005 11 01
Dow Chemical Canada ULC
Short Form Guide Specification - Foamed-in-Place Air Barriers
GREAT STUFF PRO™ Insulating Foam Sealants
3.X CLEANING
.1 Clean overspray from adjacent surfaces and ensure a suitable substrate for subsequent work.
END OF SHORT FORM
Printed in the U.S.A.
™Trademark of The Dow Chemical Company (“Dow”) or an affiliated company of Dow
Form No. 178-00750-0106