Handi-Foam® SPF Roof Patch is used to repair pin holes, cracks and patch polyurethane roofs after equipment changes. Handi-Foam SPF Roof Patch has an R-value of 6-7 per inch, retaining the roofs insulation value. Additionally, SPF Roof Patch maintains the roofs' seamless, monolithic seal which prevents air and moisture infiltration. Handi-Foam SPF Roof Patch meets commercial roofing codes for compressive strength for polyurethane foam roofs.