Froth-Pak 12031897 Foam Sealant Kit 30 s Functional Cure 240 deg F

Froth-Pak™ foam sealant is a two-component, quick-cure polyurethane foam that fills cavities, penetrations and cracks. It provides a continuous barrier against air infiltration and helps seal out moisture, dust, pests and smoke. Primarily used to seal gaps less than 4 in wide.