How long does it take 3M Fire Block sealant to dry?

2 Hrs
Ship to Address

Color Gray
Size 10.1 Oz.
Material Silicone
Coverage 18.2 Cubic Inches
Cure Time 2 Hrs.

What is fire block sealant used for?

This product seals, fills, insulates and bonds for non-rated residential and commercial construction. Ready-to-use, this fireblock is intended to resist the free passage of flame and by-products of combustion within a concealed space of a floor, ceiling or wall cavity, restricting the movement of air, fire and smoke.

Is 3M fire Block waterproof?

This gun-grade sealant cures upon exposure to the atmosphere to form a monolithic flexible firestop seal and, when properly installed, this product provides up to 4-hour fire protection in tested and listed systems. This sealant is water-tight to help prevent the intrusion of moisture.

What is 3M Fire Barrier sealant used for?

3M™ Fire Barrier Sealant CP 25WB+ is a red, one-component, gun-grade, latex-based, intumescent firestop sealant. This fire barrier sealant helps control the spread of fire, smoke and noxious gases before, during and after exposure to a fire.

Is Fire Block sealant an adhesive?

3M™ Fire Block Sealant FB 136 features superior adhesion strength, caulk rate and non-sag application, plus a halogen-free formula. 3M™ Fire Block Sealant FB 136 can be installed with a standard caulking gun, pneumatic pumping equipment or it can be easily applied with a putty knife or trowel.

Where can you use fire block sealant?

Fireblock Sealant Install fireblocking at openings around vents, pipes, ducts, cables, and wires at ceiling and floor level with an approved material to resist the free passage of flame and products of combustion.

Is fire sealant waterproof?

In principle, a sealant is any substance used to seal a surface or to fill and seal gaps and voids. A mastic, for its part, can be a cementitious adhesive, sealant or filler which is waterproof and remains flexible.

Where can you use fire block caulking?

3M™ Fire Block Sealant FB 136 will bond to most construction surfaces: concrete, brick, gypsum, metals, wood, plastic, cable jacketing and glass. No mixing required. through penetrations in wood or steel framed non-rated construction. Product may also be used around chimney, fireplace and other framing gaps.

What temperature is 3M Fire Barrier Sealant rated for?

3M™ Fire Barrier Sealant CP 25WB+ shall be a one component, ready-to-use, gun-grade, latex-based, intumescent firestop sealant capable of expanding a minimum of three times its dried volume when exposed to temperatures above 1000°F (538°C).

What is fire sealant?

Firestop Sealants are used to seal small openings/gaps through penetrants (such as civil pipes, ducts, electrical cables, etc.) passing through walls or floors in buildings.

Is fire Block sealant an adhesive?