A great professional adhesive system or small to large jobs. Recommed for: Heating or air conditioning plumbing electrical drywall. Benefits: Freeze/thaw stale resists aye hardening. Tack free and cure times engineered for specific applications. Easy to operate, Reduce noise, add insulating value, improves energy efficiency around window and doors. With an R factor of 5.7 for each inch of foam in place.