Specification
NOTICE: No freedom from infringement of any patent owned by Dow or others is to be inferred. Because use conditions and applicable laws may differ from one location to another and may change with time, Customer is
responsible for determining whether products and the information in this document are appropriate for Customer's use and for ensuring that Customer's workplace and disposal practices are in compliance with applicable
laws and other government enactments. The product shown in this literature may not be available for sale and/or available in all geographies where Dow is represented. The claims made may not have been approved for
use in all countries. Dow assumes no obligation or liability for the information in this document. References to “Dow” or the “Company” mean the Dow legal entity selling the products to Customer unless otherwise expressly
noted. NO WARRANTIES ARE GIVEN; ALL IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE ARE EXPRESSLY EXCLUDED.
The buyer assumes all risks as to the use of the material. Buyer’s exclusive remedy or any claim (including without limitations, negligence, strict liability, or tort) shall be limited to the refund of the purchase price of the
material. Failure to strictly adhere to any recommended procedures shall release The Dow Chemical Company of all liability with respect to the materials or the use thereof. The information herein is not intended for use by
non-professional designers, applicators or other persons who do not purchase or utilize this product in the normal course of their business.
Dow Polyurethane Foam Insulation and Sealants
CAUTION: When cured, these products are combustible and will burn if exposed to open flame or sparks from high-energy sources. Do not expose to temperatures above 240ºF (116ºC). For more information, consult
(Material) Safety Data Sheet ((M)SDS), call Dow at 18665832583 or contact your local building inspector. In an emergency, call 19896364400 in the U.S. or 15193393711 in Canada. When air sealing buildings,
ensure that combustion appliances, such as furnaces, water heaters, wood-burning stoves, gas stoves and gas dryers, are properly vented to the outside. In Canada visit: http://archive.nrc-cnrc.gc.ca/eng/ibp/irc/bsi/83-
house-ventilation.html.
GREAT STUFF™ Insulating Foam sealant and adhesive products contain isocyanate and a flammable blowing agent. Read all instructions and (Material) Safety Data Sheet ((M)SDS), carefully before use. Eliminate all
sources of ignition before use. Cover all skin. Wear long sleeves, gloves, and safety glasses or goggles. Not for use in aviation, or food/beverage contact, or as structural support in marine applications. Provide adequate
ventilation or wear proper respiratory protection. Contents under pressure. Not to be used for filling closed cavities or voids such as behind walls and under tub surrounds; this improper use of the product could result in the
accumulation of flammable vapors and/or uncured material. Failure to follow the warnings and instructions provided with the product, and/or all applicable rules and regulations, can result in injury or death.
Building and/or construction practices unrelated to building materials could greatly affect moisture and the potential for mold formation. No material supplier including Dow can give assurance that mold will not develop in
any specific system.
* Read all instructions and (Material) Safety Data Sheet ((MSDS) carefully before use.
** www.energystar.gov
*** Intended for use in residential applications to maintain the continuity of an approved fire block material.
®™Trademark of The Dow Chemical Company (“Dow”) or an affiliated company of Dow.
Printed in the U.S.A.
dowgreatstuff.com
dowgreatstuff.ca
dowbuildingsolutions.com
For Technical Information:
1-866-583-BLUE (2583) (English)
1-800-363-6210 (French)
For Sales Information:
1-800-232-2436 (English)
1-800-565-1255 (French)
In Canada
Dow Chemical Canada ULC
Dow Building Solutions
2400, 215 – 2 Street S.W.,
Calgary, Alberta T2P 1M4
Form No. 179152180516 CDP
178151140516 CDP
Where to Use GREAT STUFF™ Big Gap Filler
Use GREAT STUFF
™
Big Gap Filler Insulating Foam Sealant to seal gaps up to 3 inches to insulate around common areas of energy
loss such as rim joist/sill plate, plumbing, HVAC, etc.
Electrical openings
Sill plate
Pipe penetrations
Hard to reach corners
Rim joist
GREAT STUFF
™
Big Gap Filler
Insulating Foam Sealant is
Cost Effective
• One 16 oz. can = up to 26 tubes of caulk
†
†
Calculated caulk equivalence based on 10.2 oz
tubes of caulk.
In the United States
The Dow Chemical Company
Dow Building Solutions
200 Larkin Center
Midland, MI 48674
Did you know that the average U.S. home has a 1/2 mile of
gaps and cracks?** Seal them with GREAT STUFF
™
Insulating
Foam Sealants.
Each GREAT STUFF
™
Insulating Foam Sealant* is specially
formulated to seal gaps and cracks to block air, moisture and
even pests. Our comprehensive line of ready-to-use sealants
is a simple, inexpensive money-saving solution for any do-it-
yourself homeowner.
• GREAT STUFF
™
Gaps & Cracks* — Foam sealant that
expands to seal and insulate gaps up to one inch.
• GREAT STUFF
™
Window & Door* — Minimally expanding
foam that seals between a window or door and its rough opening.
• GREAT STUFF
™
Fireblock* — Impedes spread of fire and
smoke through service penetrations.***
• GREAT STUFF
™
Big Gap Filler* — Foam sealant that
expands to seal and insulate gaps up to three inches.
• GREAT STUFF
™
Pestblock* — Blocks pests out of the
home by eliminating points of entry.
Greatness comes in many forms