Fire Barrier Gasket, 2-1/2" L, 4-1/4" H MPN:66272
Fire Barrier Gasket, 2-1/2" L, 4-1/4" H
Protect your building's integrity with Metacaulk's Fire Barrier Gasket. This 2-1/2in L, 4-1/4in H firestop sheet provides a 3-hour fire rating, reducing the risk of fire spread and damage. Made with intumescent materials, it expands to fill gaps and cracks, creating a fire-resistant barrier. Suitable for safe retrofit applications, it also reduces sound transmission and meets strict flame spread and smoke developed indices. Ideal for use in commercial and residential construction, this gasket insert is perfect for sealing gaps around pipes, ducts, and other penetrations, ensuring a safe and compliant building envelope.
Top product features:
- For Safe Retrofit Applications
- Reduces Sound Transmission
- Flame Spread Index 5
Top product applications:
- Firestop for safe retrofit applications
- Reduces sound transmission
- Flame barrier for fire-resistant construction
Firestop Sheet, Fire Rating 3 hr, Fire Resistance Type Intumescent, Firestop Type Gasket Insert, Overall Width 0.11 in, Roll Length Not Applicable, Color Black, Features For Safe Retrofit Applications, Reduces Sound Transmission, Flame Spread Index 5, Outer Material Intumescent, Resistance Properties Fire Resistant, Sheet Length 2.5 in, Smoke Developed Index 5
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: 5.30
- Package Width: 4.60
- Package Height: 5.30
- Package Weight: 1.15
Product info last updated on January 17, 2026 6:53pm UTC
Category: Facility and Worksite Safety