Use 3M 10.1 fl. oz. Fire-Barrier Caulk to guard against damage from fire, smoke and toxic gasses. This latex sealant withstands flames for up to 4 hours and expands when exposed to heat. Dries to red color, no mixing required.
Excellent adhesion
No-sag, non-halogen formula
Paintable
Protects against fire for up to 4 hours
Expands when exposed to heat to protect against smoke and toxic gasses
Dries to the touch in 15 minutes
Fire stop tested up to 4 hours in accordance with ASTM E 814 (UL 1479) and CAN/ULC S115
Fire resistance tested for static construction joint systems in accordance with ASTM E 1966 (UL 2079)
Helps minimize sound transfer
Re-enterable/repairable
This product qualifies as an intumescent fire caulk
I used this to seal the gaps between the firebox and cook chamber in my new meat smoker. It was easy to apply and dried within 30 min to the touch.
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DIY
Recommended
2 found this review helpful
May 26, 2015
Cured in the Tube
This tube must've been very, very old as it was cured in the tube. No date of manufacture was on the tube, so there is no way of knowing how old it was. I'll never buy perishable items like this at this location again.
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Response from 3M Product ExpertMay 29, 2015
We are sorry to hear the caulking was dried in the tube when you purchased it. This certainly is not what we would expect and would like the opportunity to correct it. We would ask you please contact us directly at 1-800-328-1687 option #7 so we can offer assistance. Thank you for leaving your review.
DIY
Verified Purchase
9 found this review helpful
Jun 30, 2022
Rating provided by a verified purchaser...
Rating provided by a verified purchaser
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Verified Purchase
Jun 22, 2022
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May 25, 2022
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May 25, 2022
This product meets all requirements by state and federal fire...
This product meets all requirements by state and federal fire Marshall’s so that inspection process will be completed and requirements meet to ensure proper coverage and a smooth inspection process