Spray Foam

The spray-foam cluster: spray foam insulation cost, an open- vs closed-cell compare (depth, board-feet & cost), a spray-foam set / kit quantity (sets = ceil(board-feet ÷ yield)), and spray foam attic / wall cost. Board-feet = area × thickness; kit yields are labeled — confirm on the kit, and defer foam ignition/thermal-barrier and vapor detailing to the data sheet, local code and a pro.

Planning estimate: this is a planning estimate from the numbers you enter — not a bid or a contract. Insulation pricing depends on material, R-value, access, prep, air-sealing, removal and local labor. Get itemized written quotes from licensed, insured insulation contractors before you commit.

Confirm coverage-per-bag, R-per-inch and set yield against the exact product you buy and order a little extra (~5–10%) for framing, gaps and settling. Coverage, R/inch and set yields vary by product and brand — read the bag/kit and the data sheet.

Spray foam insulation costPrice a spray foam job from board-feet and your own $/board-foot: material, labor and a contingency cushion, with labeled installed bands as a sanity check.Open- vs closed-cell compareCompare open- and closed-cell spray foam for a target R: the depth each needs, the board-feet and the cost side by side, so you order the right foam.Spray foam set / kit calculatorWork out how many DIY spray foam kits or sets you need from your board-feet and the kit yield — whole kits only, with a margin for cold cans and overspray.Spray foam attic / wall costEstimate a spray foam attic or wall job from area and your quoted $/ft², plus a contingency cushion — the fast way to sanity-check a per-square-foot quote.

Every Spray Foam tool is calculated server-side — visible immediately — with its formula, a worked example and a reference table, and works on the measurements you take and the prices you enter from your own quotes. Background reading is in the guides.