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Home STI WF300 Intumescent Firestop Caulk - 10.1 oz Tube

STI WF300 Intumescent Firestop Caulk - 10.1 oz Tube

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About this item

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.

  • 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

10.1 oz tube

Make & Model
Brand ---
Part # WF310
Color Family White
Certifications & Standards
TAA/BAA Compliant 1
Packaging Dimensions
Height 7.800

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