WorkSav'r EFS Expanding foam sealant is used to insulate and seal around ducts, pipes, air conditioning units, heating equipment vents, voids and much more. The spray foam dries to the touch in 30 minutes and cures hard in 4 hours. The cured product can be trimmed, sanded and painted. The foam is resistant to mildew. Comes in a 12 oz. aerosol can. UL classified.
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Material Safety Data Sheet (PDF Download)
