3M Fire Barrier Sealant IC 15 WB+
Establish a Strong Firestop Barrier
Designed to prevent the spread of fire, smoke and noxious gas, 3M™ Fire Barrier Sealant IC 15WB+ is a one-part, gun-grade, latex-based, intumescent firestop sealant. This firestop sealant provides up to 3-hour fire protection in accordance with ASTM E 814 (UL 1479) and CAN/ULC S115. In addition, this product is fire resistance tested for static construction joint systems in accordance with ASTM E 1966 (UL 2079). This sealant has been formulated to form a monolithic firestop seal that also helps minimize sound transfer, acting as a barrier to airborne sound transmission (STC-Rating of 54 when tested in a STC 54-rated wall assembly).
- Description
- Downloads
- Applications
- Specifications
Description
- Firestop tested for through penetration applications for up to 3 hours in accordance with ASTM E 814 (UL 1479) and CAN/ULC S115
- Sealant designed to help minimize sound transfer
- Firestop sealant is compatible with CPVC piping
- Water-based and paintable sealant provides easy application and clean-up
- Exceptional adhesion for long-term performance
- Applied with conventional caulking equipment with excellent caulk rate
- Sag-resistant properties offer clean application as well as strong adhesion
- Sealant is re-enterable and repairable
- Fire resistance tested for static construction joint systems in accordance with ASTM E 1966 (UL 2079)
Download the MSDS PDF: MSDS
Recommended Applications
- HVAC ducts and vents
- Metallic and non-metallic, including CPVC pipes
- Blank openings
- Single and bundled cables
- Insulated pipe
- Pipe and cable through-Penetrations
- Busways
- Combos
- Rated wall, floor and floor-ceiling assemblies
- Static construction joints

Related Products
-
3M IC 15WB Intumescent Sealant
Designed to prevent the spread of fire, smoke and noxious gas, 3M™ Fire Barrier Sealant IC 15WB+ is a one-part, gun-grade, latex-based, intumescent firestop sealant. This firestop sealant provides up to 3-hour fire protection in accordance with ASTM E 814 (UL 1479) and CAN/ULC S115. In addition, this product is fire resistance tested for static construction joint systems in accordance with ASTM E 1966 (UL 2079). This sealant has been formulated to form a monolithic firestop seal that also helps minimize sound transfer, acting as a barrier to airborne sound transmission (STC-Rating of 54 when tested in a STC 54-rated wall assembly)
Recommended Applications: HVAC ducts and vents; Metallic and non-metallic pipes, including CPVC pipes; Blank openings; Single and bundled cables; Insulated pipe; Pipe and cable through-penetrations; Busways; Combos; Rated wall, floor and floor-ceiling assemblies; Static construction joints. -
3M Fire Barrier CP-25WB+
Dependable and Easy-to-Use Firestop Sealant
Tough and ready-to-use, 3M™ Fire Barrier Sealant CP 25WB+ is a high-performance, one-component, latex-based, intumescent sealant that dries to form a monolithic firestop seal. This sealant also acts as a barrier to airborne sound transmission. As penetrants are exposed to fire, the unique intumescent property of this material allows 3M™ Fire Barrier Sealant CP 25WB+ to expand and help maintain a firestop penetration seal for up to 4 hours. This sealant is designed to help control the spread of fire, smoke and noxious gases before, during and after exposure to a fire when installed in accordance with a listed through-penetration or fire-resistive joint assembly system (STC-Rating of 54 when tested in a STC 54-rated wall assembly). -
Fire Safing Insulation Deck Plugs 4.5″ to 3.5″ Taper, X 48″L
Fire Safing Deck Plugs are precision-cut from noncombustible UL classified high-density mineral wool panels. They are precision sized to fit into the fluted profile of metal decks encountered at top-of-wall joints.
-
Read MoreQuick ViewSpecSeal LCI300 Sealant
SpecSeal® LCI Sealant is a versatile and economical intumescent sealant that has excellent caulking properties as well as high build properties on vertical or overhead surfaces. This single component sealant may be caulked (standard cartridge or bulk loaded), knifed or troweled. In addition, SpecSeal® LCI Sealant does not contain PCB’s or asbestos.
SpecSeal® LCI Sealant is storage stable (when stored according to the manufacturer’s recommendations), and will not separate or shrink when dried (when applied according to the manufacturer's recommendations). SpecSeal® LCI Sealant will adhere to all common construction and penetrant materials and contains no solvents that might adversely effect plastic pipes or cable jackets. -
3M™ Fire Barrier Moldable Putty Pads
Our 3M™ Fire Barrier Moldable Putty Pads MPP+ are a one-part firestop material used in various fire-rated assemblies, such as electrical box protection. Designed to prevent the spread of fire, smoke and noxious gasses, this intumescent material comes ready to use in convenient 1/10” (2.54 mm) thick pads that are conformable by hand with no mixing or tools. Pads are firestop tested up to 4 hours.
Recommended Applications- Protection of membrane penetrations for listed metallic and non-metallic electrical boxes
- Wall opening protective to meet building requirements
- Seal gaps between cables in multiple penetrations (including fiber optic inner duct)
- Insulated pipe, electrical conduit and metal pipe penetrations
-
STI BIOSTOP® 750, 5 Gallon
BIOSTOP® 750 is a water-based sealant that comes in three different grades (spray mastic, Self-leveling and Caulk grade) and two colors (red and white). Ideal for use in construction joints such as top of the wall, curtain wall perimeter, expansion, control, etc., and for general construction gaps and voids. The mastic spray is designed for spray application and a economical means of installation on long joint runs.
-
3M Fire Dam 150 Elastomeric
Our 3M™ Fire Barrier Sealant FD 150+ is a gun-grade, latex-based, elastomeric sealant that cures upon exposure to the atmosphere to form a monolithic flexible firestop seal. When properly installed, this sealant helps control the spread of fire, smoke and noxious gasses before, during and after exposure to a fire and exhibits excellent adhesion to a full range of construction substrates.
We have the red version in stock, but it is also available in blue and limestone grey.Recommended Applications: Construction joints; Piping, all non-combustible and small diameter combustible; Cables.
-
Read MoreQuick ViewSpecSeal Restraint Collar, Pre-Cut or 25 Ft Roll
Metal strip for making restraint collar for SSW Intumescent strips
Cut to length, wrap around pipe with SSW strips in place
Forms collar to contain Blue or Red Strips
Roll is 25 Feet long -
SpecSeal FS200 2″ Ready Sleeve
SpecSeal Ready Sleeves are designed for new cabling penetrations where sleeves are required. Each Ready Sleeve kit includes a preformed steel sleeve with rolled edges, steel escutcheon plates with intumescent gaskets, and a dosage of our SpecSeal SSP Firestop Putty. The rolled edges of each Ready Sleeve eliminate the need for bushings while the included escutcheon plates and gaskets take the place of steel strut and strap supports.
SpecSeal® Ready® Sleeve Pathways are used to protect or support cables in both nonrated and rated construction. SpecSeal® Ready® Sleeve Pathways are suitable for use in all common constructions including concrete floors, concrete walls, concrete block walls, and gypsum board/stud wall assemblies up to 10” (254 mm) thick. -
BIO Fireshield Gasket, Double Outlet
BIOSTOP® Firestop Gasket is a single component fire rated gasket for use with electrical boxes when addressing the “24 inch rule”. It is mounted on the inside of the cover plate and installed at the same time as the cover plate, covering the opening and providing the necessary fire protection.
When exposed to heat, BIOSTOP® Firestop Gasket’s highly intumescent nature causes it to expand forming a char that will seal off the opening and prevent the spread of flames and limit the temperature rise on the unexposed surfaces.















