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Available at Home Depot ($8.47) and Walmart ($23.57 for 2-pack). Duck Max Strength Expanding Foam Seal Walmart& more Go to product viewer dialog for this item.

V-Flex (or Tension Spring) weather stripping is ideal for gaps of varying widths, as it compresses to fit. buy weather stripping

Specifically designed for large gaps up to 1 inch. This self-adhesive foam is great for blocking insects and dust. Available at Walmart ($17.74). M-D High Density Foam Tape 02311 eBay& more Go to product viewer dialog for this item. Available at Home Depot ($8

A premium EPDM rubber seal that won't harden or crack in freezing temperatures. Ideal for medium gaps. Specifically designed for large gaps up to 1 inch

A heavy-duty PVC foam tape that offers moderate compression for irregular gaps. Available at Lowe's ($4.98) and Home Depot ($4.98).

Specifically for sealing the bottom of 9 ft. garage doors. Made of high-quality rubber for superior bounce back. Available at Zoro ($19.99) and Lowe's ($22.39).

Made of flexible plastic that self-adjusts to gaps up to 3/8 inch. Excellent for the tops and sides of doors. Available at Home Depot ($4.99). DURA-LIFT 9 ft. Garage Door Double-T Rubber Weather Seal Lowe's& more Go to product viewer dialog for this item.