Mega Size Spray Foam Insulation Kit With Eighteen Thirty Ounce Cans Of Expanding Foam Sealant Spray To Patch Up Gaps Plug Drafts And Knock Out Air Leaks Without Breaking A Sweat

High Yield Polyurethane Spray Foam Sealant for Draft Stopping
✔️ 18oz growing foam seals gaps across 23 board feet per single can

This expanding polyurethane sealant acts as a heavy duty insulation and air leak blocker built for homeowners who need to patch wall gaps, stop attic drafts, and control basement moisture. You roll it around window frames, door thresholds, and exposed plumbing lines to lock out cold gusts and keep utility payments from climbing. Builders and DIYers alike toss it into crawl spaces and along foundation cracks where normal caulk just won't cut it.

✅ Covers up to 23 board feet of coverage area
✅ Delivers an R value of 5.6 thermal resistance per inch
✅ Bonds securely to concrete brick metal wood and stone
✅ Dries to a stiff high density finish ready for trimming

💡 What happens when you slap handy expanding polyurethane foam onto chilly basement walls?
Once the chemical mix hits cold Surfaces it still blows out and locks tight without cracking or pulling away from your studs.

- The cross linked resin blocks icy drafts and knocks out condensation so your floorboards stay flat
- Plugging those stubborn gaps around outlets and ductwork keeps your drywall intact
- Running multiple cans over foundation seams keeps your heating bill down and makes winter smoothing out a breeze