STI WF305 Intumescent Firestop Caulk - Red - 5 Gal
- Brand Name: STI SPECIFIED TECHNOLOGIES
- Sku Number: 910013
- Unit of Measure: PL
-
Availability:
-
Unit Price:
- View Cart
Product Description
WF300 series caulk is a latex based, high solids firestop caulk. This material, when properly installed, effectively seals penetration openings in wood frame construction against the spread of fire, smoke and combustion byproducts.
WF300 series caulk is a single stage intumescent. When exposed to elevated temperatures, WF300 expands rapidly to seal off voids left by the burning or melting of combustible materials.
- Tested for up to 3 Hours of fire exposure when tested to ASTM E814/UL1479
• Water based for easy installation, cleanup and disposal
• Intumescent
• Water-resistant, will not re-emulsify when dry
• Paintable when dry
• Safe, no asbestos, no PCB's, no inorganic fibers
• Auto bonding
• Non-halogenated
• Meets LEEDTM v3 requirements. Low emitting materials credit. See general LEED letter for additional applicable credits.
Data Sheet
