Firestop Sealants, Foams, Putties & Mortars

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  • 3M Fire Block Foam FB-Foam 3M Fire Block Foam, Orange, 12 fl oz, 12 Can/Case

    3M Products & Supplies

    3M Fire Block Foam, Orange, 12 fl oz, 12 Can/Case

    3M Fire Block Foam FB-Foam is a fireblock and draftstop used to help seal, fill, insulate and bond for non-rated residential and commercial construction. This foam-in-place fireblock is heat-resistant (up to 240 F/115 C) and meets ASTM E84 (mod) Class 1...

    $172.01
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  • 3M Fire Barrier Sealant FD150pls 28 oz tube Red 3M Fire Barrier Sealant FD 150+, Red, 28 fl oz Cartridge, 6/Case

    3M Products & Supplies

    3M Fire Barrier Sealant FD 150+, Red, 28 fl oz Cartridge, 6/Case

    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...

    $101.29
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  • 98040056388 3M Fire Barrier Sealant FD 150+ Blue 28 fl. Oz

    3M Products & Supplies

    3M Fire Barrier Sealant FD 150+, Blue, 28 fl oz Cartridge, 6/Case

    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...

    $101.29
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  • 3M Fire Barrier Sealant FD150pls 28 oz tube Red 3M Fire Barrier Sealant FD 150+, Red, 10.1 fl oz Cartridge, 12/Case

    3M Products & Supplies

    3M Fire Barrier Sealant FD 150+, Red, 10.1 fl oz Cartridge, 12/Case

    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...

    $97.06
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  • 3M Fire Barrier Moldable Putty Pad medium 3M Fire Barrier Moldable Putty Pads MPP+, Red, 7 in x 7 in, 20/case

    3M Products & Supplies

    3M Fire Barrier Moldable Putty Pads MPP+, Red, 7 in x 7 in, 20/case

    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...

    $94.12
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  • 3M Fire Barrier Putty Sleeve Kit DT 400, 4 in, Round 3M Fire Barrier Putty Sleeve DT400, 4 in Round, 1 Kit/Case

    3M Products & Supplies

    3M Fire Barrier Putty Sleeve DT400, 4 in Round, 1 Kit/Case

    3M Fire Barrier Putty Sleeve Kits are designed to help prevent the passage of fire and smoke in new or existing cable penetrations through walls or floors. These kits are tested up to 4 hours for fire-rated through penetration systems (in accordance with...

    $76.14
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  • 3M Fire Barrier Mortar pail 3M Fire Barrier Mortar, Gray, 5 Gallon (Pail), 1 Each/Drum

    3M Products & Supplies

    3M Fire Barrier Mortar, Gray, 5 Gallon (Pail), 1 Each/Drum

    3M Fire Barrier Mortar is a lightweight, gypsum-based powder that mixes with water to form a heat-absorbing firestop for through penetrations in fire-rated floor or wall assemblies. Versatile mortar can be mixed self-leveling or non-sag, and adheres to a...

    $95.79
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Firestop sealants, foams, putties, and mortars are essential components in fire protection systems, designed to prevent the spread of flames, smoke, and toxic gases through openings and joints in fire-rated constructions. These products play a critical role in maintaining the integrity of firewalls, floors, and ceilings, ensuring that safety regulations and building codes are met in both residential and commercial properties.

Firestop sealants are formulated to provide a flexible barrier against fire, accommodating the natural movement of building materials while still offering superior protection. They are available in various formulations suitable for different applications, ensuring optimal performance in diverse environments. Foams, on the other hand, expand upon application, filling larger gaps and voids effectively. They are particularly beneficial for sealing around pipes and ductwork, providing a robust defense against fire and smoke migration.

Putties serve as an effective solution for creating firestop seals around electrical penetrations and other service openings where flexibility and ease of application are paramount. These traditional yet reliable materials can withstand extreme temperatures and are often used in conjunction with other firestop products to enhance overall fire protection strategies.

Mortars, typically cement-based, offer a reliable means of sealing larger openings and restoring the fire-resistive integrity of masonry walls. Their robust composition makes them ideal for filling significant gaps and reinforcing fire-rated assemblies, ensuring compliance with stringent safety standards.

Collectively, these firestop solutions are integral in safeguarding lives and property from fire hazards. Their application not only bolsters the overall fire safety posture of a building but also enhances its resilience against potential fire-related incidents. Investing in high-quality firestop products is vital for any construction or renovation project, enabling effective risk management and peace of mind.