Firestop Products
Every Metacaulk® firestop family we distribute — UL Classified, at distributor pricing with same-day shipping from New Jersey. Choose a category to compare options, or open a product for full specs, TDS/SDS and UL systems.
Firestop Sealants
Fire Caulk · Intumescent · Silicone · Acoustic
Metacaulk MC 150+ Firestop Sealant
Single component, general purpose firestop sealant for a wide range of applications. Tested per …
Metacaulk 1000 Intumescent Firestop Sealant
Single component, water-based intumescent sealant for construction joints and through-penetratio…
Metacaulk 350i Firestop Sealant
Single component, water-based intumescent sealant for a wide range of vertical and horizontal ap…
Metacaulk 1200 Firestop Sealant
Single component, water-based firestop sealant formulated for caulk, spray, and self-leveling ap…
Metacaulk 835+ Firestop Silicone Sealant
Single component, low modulus, non-slumping silicone firestop sealant. Up to 3-hour fire resista…
Metacaulk RS136 Firestop Sealant
Economical general-purpose firestop sealant and smoke block for basic through-penetration applic…
Metacaulk SAS Smoke & Acoustic Sealant
High-grade acrylic latex sealant for permanent seal of penetrations, membrane openings, and join…
Putty Pads & Electrical Box Protection
Putty Pads · Putty Sticks · Box Guards · Cover Guards
Metacaulk Fire-Rated Putty Pads & Sticks
Moldable, non-curing, single component fire-resistant material. Carbonizes when heated, forming …
Metacaulk Box Guard
Single component, highly intumescent graphite-based insert for inside electrical boxes. Pre-inst…
Metacaulk Cover Guard
Single component, highly intumescent graphite-based gasket for electrical box cover plates. Inst…
Pipe Collars, Wrap Strips & Sleeves
Intumescent Collars · Wrap Strips · Sleeves · Joint Strip
Metacaulk Intumescent Pipe Collars
Prefabricated, powder-coated galvanized steel housing with highly reactive graphite-based intume…
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Universal Collar
Galvanized-steel universal collar for concrete, wood, and gypsum construction — used with Metaca…
Metacaulk Firestop Wrap Strip
Highly intumescent graphite-based composition on an elastomeric synthetic compound. Designed for…
Metacaulk Intumescent Sleeves
Prefabricated galvanized steel sheet lined with highly reactive graphite intumescent material. S…
Metacaulk Firestop Joint Strip
1/16 in. (1.5mm) thick highly intumescent graphite-based composition for both combustible servic…
Cast-In Devices & Cable Pathways
Cast-In-Place Devices · Pass Thru Pro Pathways
Pillows, Mortar & Composite Sheet
Firestop Pillows · Fire-Rated Mortar · Composite Sheet
Metacaulk Firestop Pillows
Unique combination of highly intumescent graphite material mixed with mineral fibre blend in a d…
Metacaulk FRM Fire-Rated Mortar
Specially formulated rapid-hardening gypsum/cement compound. Sets without shrinking to form a ri…
Metacaulk Composite Sheet
Rigid fire-resistive panel with reinforced intumescent material bonded to non-magnetic #304 stai…
Cable Coating, Foam & Accessories
C70 Cable Coating · Foam · Backer Rod · Guns & Tools
Metacaulk C70 Industrial Cable Coating
Water-based acrylic ablative coating designed to prevent flame propagation along cables. Halogen…
RectorSeal Blaze Foam
Pre-formed, highly intumescent compressible foam for construction joint applications. Up to 2-ho…
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Draft-Block Aerosol
Orange expanding draft-block aerosol foam - seals gaps, cracks and penetrations to block air and…
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Denver Foam Backer Rod
Non-gassing foam backer rod — backs elastomeric and other applied caulking sealants, controls se…
Caulking Guns & Accessories
Professional-grade industrial caulking guns for efficient firestop sealant application. Availabl…
Not sure which system you need?
Send us your penetration schedule, pipe sizes or an inspector citation and we’ll match the exact UL system and take off the quantities — free.