M-D 02311 1/2" X 10' Gray Waterproof & Airtight Foam Tape Weather Stri Firm, waterproof, dustproof and weathertight foam Minimal compression for weathertight seal between surfaces Easy, self-adhesive application seals top and sides of doors and windows High density /closed cell PVC foam 1/2-inch by 3/4-inch by 10 feet long