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White Lightning
This premium silicone sealant is designed to block the spread of smoke and fire. It forms a water-resistant seal that will also resist smoke and toxic gases, ultraviolet radiation and ozone.
For use on: copper and other metal through-penetrationsWill withstand temperatures up to 300 ˚FResists crackingCan be applied in temperatures ranging from-20 ˚F to 122 ˚F
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