3M 12 oz. Fire Block Foam-FB-Foam - The Home Depot


Model # FB-Foam

Internet # 203281270

Store SKU # 661052

12 oz. Fire Block Foam

3M 12 oz. Fire Block Foam

This item has been discontinued.
The Home Depot no longer carries this specific product.

$10.97 / each


Model # FB-Foam

Internet # 203281270

Store SKU # 661052

3M Fire Block Foam FB-Foam is a ready-to-use foam firelock designed to help prevent the spread of flames and smoke in residential Type V and commercial non-rated construction. This product is intended to resist the free passage of flame and the by-products of combustion within the concealed space of a floor, ceiling or wall cavity by restricting the movement of air, fire and smoke. Also acts as a draft stop to restrict air infiltration and movement. Meets current fire blocking sealant requirements of the International Building Code (IBC) and International Residential Code (IRC) and state and local codes based on the IBC and IRC. 3M Fire Block Foam FB-Foam is recognized as a requirement to the methods prescribed by IBC and/or IRC codes for maintaining the integrity of penetrations of fire blocking and for draft stopping.

  • Heat-resistant up to 240° F (115° C)
  • Ready-to-use (no mixing required)
  • Tack-free in approximately 5 minutes
  • Expands to quickly and effectively seal openings
  • Sag-resistant formulation
  • Minimal shrinkage

Info & Guides

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Assembled Depth (in.)  2.75 in  Assembled Height (in.)  8.05 in 
Assembled Width (in.)  3.05 in  Individual size (oz.)  12 
Caulk Form  Foam  Caulk Type  Specialty 
Color/Finish  Orange  Coverage (linear ft.)  998 
Cure time (hours)  Dry color family  Orange 
Dry to touch (min.)  45  Fire and high heat resistant  Yes 
Hazardous Code  2.1  Indoor/Outdoor  Indoor 
Longevity (years)  1.25  Moisture Resistant  No 
Mold and mildew resistant  No  Paint Product Type  Caulk 
Paintable/Stainable  Yes  Permanently flexible  No 
Professional Paint Supplies & Values  Pro Supplies  Returnable  90-Day 
Tintable  No 
Warranty / Certifications
Certifications and Listings  ASTM Compliant  Manufacturer Warranty  Call for Warranty 1-800-328-1687 


Rated 2.5 out of 5 by 2 reviewers.
Rated 1 out of 5 by Check with local Building Official First! Be very careful using this product. The can says it meets all codes, but my local building official made me dig it back out and use the caulk because they require a product with a listed 4 hour fire rating which this product does NOT have. Trust me, it's not worth it, just use the red fire block caulk instead! November 10, 2014
Rated 4 out of 5 by Foam It Does what it is supposed to do fills in the areas around pipes and other holes that need to be blocked. Very sticky so protect areas in case it drips, remember that it expands so don't over fill and wear gloves. October 22, 2014
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