Fire Barrier Sealant Caulk, 20 oz. MPN:150+
Fire Barrier Sealant Caulk, 20 oz.
Protect your building's integrity with 3M's Fire Barrier Sealant Caulk, a 3-hour fire-rated sealant designed for all common construction surfaces. This easy-to-apply, gray-colored sealant is perfect for sealing gaps and joints in walls, floors, and ceilings. Its flexibility and durability ensure a long-lasting barrier against fire, smoke, and heat. Ideal for use in commercial and residential construction, this sealant meets the needs of builders, architects, and contractors looking for a reliable firestop solution. With its 20 oz container and sausage-style applicator, this product is simple to use and provides a high level of protection for your building and its occupants.
Top product features:
- Fire Barrier Sealant Caulk seals gaps and joints to prevent the spread of fire for up to 3 hours.
- Fire Barrier Sealant Caulk is suitable for use on all common construction surfaces.
- Fire Barrier Sealant Caulk is applied using a caulk gun.
Top product applications:
- Fire Barrier Sealant Caulk, 20 oz. is suitable for use on all common construction surfaces.
- Fire Barrier Sealant Caulk, 20 oz. from 3M can be used in a variety of applications, including firestopping and sealing around pipes, ducts, and other penetrations.
- Fire Barrier Sealant Caulk, 20 oz. is a fire-resistant material that can be used to seal gaps and joints in construction, providing up to 3 hours of fire resistance.
Fire Barrier Sealant Caulk, Application Method Caulk Gun, Color Gray, Container Size 20 oz, Container Type Sausage, Coverage Area Not Applicable, Drying Time Not Applicable, Expansion Temperature Not Applicable, Expansion Volume Not Applicable, Fire Rating 3 hr, Fire Resistance Type Fire-Resistant Materials, Firestop Type Sealant/Caulk, Flame Spread Index Not Applicable, Flame Spread Rating Not Applicable, For Material Type All Common Construction Surfaces
Additional Information
- Country of Origin: US
- Drop Ship Item: No
- Blind Ship Eligible: No
- LTL Freight Required: No
- Lead Time: Ships in 1 days
- Minimum Order Quantity: 1
- Unit of Measure: EA
- Package Length: 13.20
- Package Width: 2.00
- Package Height: 2.00
- Package Weight: 1.91
- Restricted States: CA
Product info last updated on February 11, 2026 4:24pm UTC
Category: Facility and Worksite Safety