DAP Touch n Foam Spray insulation foams are of the highest quality that provide the end user a product that has been fully tested to industry standards and performance. All Purpose Spray Gun Foam is a 1-component polyurethane foam sealant that dispenses approved fireblock (ICC-ES ESR-1926) foam. For general application. Designed to be used with the gun foam applicator for greater bead control and adjustable output. All-Purpose is used to fill and seal cracks, holes and joints around a structure - providing airtight insulation that blocks drafts, moisture, insects and other pests. For weatherization and sealing gaps and cracks in all structures. Tan.