Impedes The Spread Of Flames And Smoke
GREAT STUFF™ Fireblock is specially formulated to impede the spread of flames and smoke through service penetrations – helping to slow the spread of these destructive elements during a fire.
HERE'S WHAT MAKES GREAT STUFF™ FIREBLOCK GREAT:
- Impedes the spread fire and smoke1
- Bright orange in color for easy code identification
- UL Classified
- ICC-ES Evaluated ESR-1961
- Seals electrical wires running through wall studs.
- Creates an airtight, water-resistant seal.
- Closes gaps and cracks, increasing the comfort and energy efficiency of your home.
It's easy to use because it's:
- All-direction dispensing.
- Tack-free in 5-15 minutes, trims in one hour2
- Rigid after 8 hours of curing.
- Adheres to most building materials.
1Intended for use in residential application to maintain the continuity of an approved fire block material. Not to be used in firestop applications.
270 ± 5°F and 50 ± 5 % RH, 1 inch bead diameter, 6 inch length. Cure rate is dependent on temperature, humidity, and size of foam bead.
GREAT just got GREATER!
No drips, less mess - foam stops where you stop.
Reusable for up to 30 days - use again and again.
Precise, greater control.
Down To The Details Of Great Stuff™ Fireblock
How To Use Great Stuff™ Fireblock
Read all instructions and safe handling information before you start. GREAT STUFF™ products should not to be used for filling closed cavities or voids such as behind walls and under tub surrounds.
Great Stuff™ Insulating Foam Sealants Safe Handling
For warnings and precautions, disposal information and more, download GREAT STUFF™ Consumer Safety Information or view our safe handling videos.
If you need assistance, contact us. We're always here to help you through any project.
What Project Do You Want To Start?
GREAT STUFF™ Fireblock works in a broad range of applications.
Sealing HVAC ducts and pipe penetrations
Watch our video to learn how to use Great Stuff spray foam insulation to seal around HVAC ductwork and penetrations.
Sealing HVAC ducts and pipe penetrations
Read more
Sealing around electrical and cable lines
Did you know our Great Stuff Spray Foam Insulation will stop air leaks through your electrical panelboard and help you save energy?
Sealing around electrical and cable lines
Read more
Air Sealing around electrical boxes and outlets
View our informative video to learn how to insulate and seal gaps around electrical wiring using expanding spray foam.
Air Sealing around electrical boxes and outlets
Read more
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