Fire Barrier Sealant, 20 oz., Limestone MPN:SIL320
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In Stock
Free Shipping
In Stock
SKU
510-G4417804
Fire Barrier Sealant, 20 oz., Limestone
Protect your building's integrity with STI's Fire Barrier Sealant, a 4-hour rated silicone-based sealant designed for all common construction surfaces. This versatile sealant is ideal for filling gaps and joints in various applications, including blank openings, bottom of walls, busways, cable trays, and more. Its fast 3-hour drying time and Class A flame spread rating ensure a safe and secure seal. With its user-friendly caulk gun application and 20 oz. container size, this sealant is perfect for professionals and DIYers alike, providing a reliable fire barrier in a variety of construction settings.
Top product features:
- Fire Rating of 4 hours
- Flame Spread Index of 5
- Seals openings in construction surfaces such as metal pipes, cable trays, and busways
Top product applications:
- Blank opening
- bottom of wall
- busway
Fire Barrier Sealant, Application Method Caulk Gun, Color Gray, Container Size 20 oz, Container Type Cartridge, Drying Time 3 hr, Expansion Temperature Not Applicable, Fire Rating 4 hr, Firestop Type Sealant/Caulk, Flame Spread Index 5, Flame Spread Rating Class A, For Material Type All Common Construction Surfaces, For Use On Blank opening, bottom of wall, busway, cable tray, floor to floor, floor to wall, head of wall, metal pipe, multiple penetrants, wall to wall, Formulation Silicone
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: 4.20
- Package Height: 4.20
- Package Weight: 1.80
Product info last updated on February 7, 2026 5:28pm UTC
Category: Facility and Worksite Safety