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Work Sav'r EFS - Expanding Foam Sealant (12/cs)
Insulates and seals around ducts, pipes, air conditioning units, heating equipment vents and much more!
- Cured product can be trimmed, sanded and painted.
- Foam dries to the touch in 30 minutes and cures in 4 hours.
- Perfect for voids and resists mildew.
- UL Surface Burn Test: Flame Spread - 10, Smoke Development - 15, Burn Temperature - 240ºF