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STI BlazeStop WF300 Intumescent Firestop Caulk - 20 oz Sausage
BlazeStop® WF300 Intumescent Firestop Caulk is a latex-based firestop caulk designed for residential wood frame construction. WF300 Caulk is tested for addressing penetrations through wood/frame construction such as wood stud walls and floor/ceiling assemblies. Under fire exposure, WF300 expands to up to four times its original volume.
Features
- Installer friendly, easily applies with standard caulking gun
- Suitable for combustible and non-combustible penetrants
- Tested for up to 3 Hours of fire exposure when tested to ASTM E814/UL1479
20 oz sausage
12 pcs/ctn
For California Residents:
WARNING:Cancer and Reproductive Harm - www.P65Warnings.ca.gov
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