Nash Distribution carries the full line of DOW FROTH-PAK™ Insulating Foam Sealant and accessories. DOW FROTH-PAK™ Spray Foam Sealant is a two-component, quick-curing, chemically-cured polyurethane foam. It is intended for professional use only with appropriate safety equipment. The self-contained DOW 210 Froth Pak kit is convenient to use, includes an industry-leading nozzle system, and does not require an external power source. If you step up to the DOW 650 Froth Pak, you will need to purchase the DOW 30’ Gun and Hose Assembly as well.