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.
What temperature is 3M fire Barrier sealant rated for?
1000°F
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 intumescent fire caulk?
WF300 Intumescent Firestop Caulk is a latex-based firestop caulk designed for residential wood frame construction. WF300 Caulk is tested for addressing penetrations through wood/frame construction such as wood stud walls and floor/ceiling assemblies.
How long does it take 3M fire Block sealant to cure?
2 Hrs
A 1-component, noncombustible draft, smoke, and fire blocking sealant, designed to resist high-temperatures and smoke passage in nonrated residential construction….Ship to Address.
| Color | Gray |
|---|---|
| Size | 10.1 Oz. |
| Material | Silicone |
| Coverage | 18.2 Cubic Inches |
| Cure Time | 2 Hrs. |
How do you install 3M fire Barrier sealant?
Install CP 25WB+ Sealant to a depth of 20mm for electrical cables and 25mm for blank unpenetrated seals on both sides of the wall. Ensure that the Sealant is installed flush with the wall on both sides of the penetration. Install 140kg/m3 Mineral Wool infill friction fitted and centred in the penetration.
What is a fire barrier?
Fire Barriers A fire barrier is designed to restrict the spread of fire across the assembly and can have a one to four-hour fire-resistance rating – i.e., the period of time, according to the IBC, a fire can be confined, continue to perform a structural function, or both.
Is silicone sealant fire resistant?
Is It Fire Resistant? Yes. Silicone is both heat and flame resistant. Thanks to the unusual chemical properties of silicone as plastic – it doesn’t catch fire very easily and it doesn’t act as a conductor of heat, which means that it is fairly fire-resistant.
How does intumescent sealant work?
An intumescent seal is a strip of material fitted around a doorway, that when exposed to heat, expands closing any gaps around the door to stop the fire spreading for a period of time. These seals usually come with either 30 or 60 minute ratings.
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.
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.