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This 12oz can of polyurethane foam expands up to 3 times its size to fill gaps, cracks, holes, and weird spaces where air and water sneak through. It sticks to wood, concrete, metal, plastic — you name it — and stays locked in place once it cures. You won’t get shrink-back or flaky edges like the cheap stuff. It dries firm, cuts clean, and actually holds up to jobsite conditions. Whether you’re sealing utility cutouts, insulation voids, or small wall gaps, this is the kind of foam that works like it should the first time.
For Crews Who Can’t Afford Gaps
We keep this expanding foam in stock year-round because gaps don’t wait. Whether you're patching holes before weather hits or locking out pests and drafts, this 12oz can ships same-day. No backorders, no mystery tracking. Just order it, and it shows up before you’re down to the last can.