RED DEVIL FOAM & FILL® Large Gaps & Cracks is a triple expanding polyurethane sealant that is quick and easy to use.  It expands to fill large holes, cracks, gaps and voids around windows, doors, pipes, outlets, vents and foundations.  This insulating foam forms an airtight, waterproof bond and seals out drafts, moisture and pests.  Cured foam can be sanded, painted or stained.  For indoor and outdoor use.