Free tools for spray foam projects

Six interactive calculators built specifically for agricultural insulation projects. Plan your project, estimate cost, check grant eligibility — no signup, no email gate, no upsells.

ROI Calculator Inputs: ft² + climate zone + propane $/gal. Output: payback, energy savings. Coverage Estimator Length × width × foam type → gallons needed, contractor-days. R-Value by USDA Zone Interactive US map → required R-value + recommended foam type. Foam Type Selector 5-question decision tree → AireBarrier vs Soy Bio vs Can Foam. Payback Calculator Project cost + energy savings → break-even point in months. REAP Grant Estimator State + farm type + project size → USDA grant eligibility & amount.