Specified Technologies Inc SpecSeal WF300 Intumescent Firestop Caulk
Firestop 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
Intumescent= expands in all directions for a tough, tight seal
Resistant to water = will not re-emulsify after drying
Paintable = can be painted to match surroundings
Specifications
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