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STI WF320 Intumescent Firestop Caulk - 20 oz Sausage
STI WF320 Intumescent Firestop Caulk - 20 oz Sausage
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STI WF320 Intumescent Firestop Caulk - 20 oz Sausage

Description
Description

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

Code: WF320
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Teaming up with the top brands in the industry, we have one simple pledge: to get the right products into our customers' hands as quickly and safely as possible.
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For over 70 years, Slegg has worked to become your first stop for all your building needs. Whether you are a contractor working on a large-scale project, or a DIY weekend warrior, we’ve got you covered.
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