M-D Building Products 2253 High Density Foam Tape, 3/16-by-3/8-Inch by 17 Feet, Closed Cell, Gray
Price 2.49 - 4.39 USD
Firm, waterproof, dustproof and airtight closed-cell foam * Minimal compression for tight seal between surfaces * Easy, self-adhesive application; seals top and sides of doors and windows * Closed cell PVC foam * 3/16-inch thick by 3/8-inch wide by 17 feet long