Two-Component Polyurethane Foam Kit 200 Board Feet Portable, disposable and self-contained with color-coded, pre-connected hoses. Fire Retardant (FR) and Standard Formulas available. Standard and Fire Retardant Formula Foam Kit 200 covers 200 square feet at 1 inch thick. Compatible with all fiber insulation systems including cellulose, fiberglass and rockwool Expands to fill smallest to largest gaps, cracks and holes, reducing air exchanges