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Internet #100390499

Model #FB 136

Store SKU #191728

10.1 fl. oz. Gray Fire Block Specialty Sealant

Includes 12 tubes (51¢ /tube)
$6.09
  • Ready-to-use formula, no mixing required
  • Water based caulk dries to gray color
  • Ideal for use in non-rated residential construction
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Product Overview

3M Fire Block Sealant FB 136 is a one component, non-combustible draft, smoke and fire blocking sealant, designed to resist high temperatures and smoke passage in nonrated construction. Use 3M Fire Block Sealant FB 136 to seal interior construction voids around wires, pipes, HVAC ducts and vents, in wood or steel framed non-rated construction. This fire block is tack-free in approximately 15 minutes and features minimal shrinkage and sag-resistant formulation to help ensure longevity, plus a halogen-free formula. This fire block also provides excellent adhesion that bonds to concrete, brick, metals, wood, plastic and cable jacketing.
  • Tested as a type V residential Fireblock to ASTM E 84 (modified)
  • Durable caulk is heat-resistant (up to 240 degree F/115 degree C)
  • Acts as a draft stop to help reduce air infiltration
  • Thermal insulator offers an R-value of 4 in. - 5 in. (25.4 mm) typical
  • FB-136 is ready-to-use (no mixing required)
  • Tack-free in approximately 15 minutes
  • Meets International Building Code (IBC) and International Residential Code (IRC) fire blocking requirements
  • Features minimal shrinkage to help ensure longevity
  • Excellent adhesion that bonds to concrete, brick, metals, wood, plastic and cable jacketing
  • Sealant requires no special handling for routine disposal
  • Thixotropic material resists sag or run in vertical or overhead applications
  • Need help choosing the right Caulk? Click Here for Home Depot's Buying Guide!
  • Click Here for the How to Caulk Project Guide
  • California residents

Additional Resources

From the Manufacturer

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Specifications

Dimensions

Individual size (oz.)10.1

Details

Color/FinishGrayCoverage (linear ft.)29
Cure Time (hours)25Dry Color FamilyGray
Dry to touch (min.)15 minFeaturesFire and High Heat Resistant
Indoor/OutdoorIndoorInterior/ExteriorInterior
KitNoLongevity25 years
Number of Tubes Included12Professional Paint Supplies & ValuesPro Supplies
Returnable90-DaySealant FormStandard Tube
Sealant TypeSpecialtyTransparencySolid

Warranty / Certifications

Certifications and ListingsASTM CompliantManufacturer WarrantyLimited Warranty, reference document attached

Questions & Answers

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Customer Reviews

  • 4.3
    out of 148 reviews
  • 85%recommend this product
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Showing 1-10 of 148 reviews
Works Great . On older flue pipes
Works Great . On older flue pipes
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1 found this review helpful
it worked like a dream from my application, the grey coloring just happened to be the color that ...
it worked like a dream from my application, the grey coloring just happened to be the color that I needed that was unexpected but very nice. The temperature rating was the final decision maker for me to purchase, the rest of the fireblocks didn't have heat ratings on the label. All in all I would recommend this product to anybody looking to seal high temperature leeks and or heat evacuation points from any closed loop duct system.
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great product easy to push out tube works great on concrete board spreads easy and also easy to c...
great product easy to push out tube works great on concrete board spreads easy and also easy to clean up. would recommend
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1 found this review helpful
Worked really well on my pellet stove, had to seal the joints up on the top stack of the stove it...
Worked really well on my pellet stove, had to seal the joints up on the top stack of the stove it leak from time to time probably have to do this each season.
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Showing 1-10 of 148 reviews