You can seal gaps and air leaks all around the door using self–stick and nail–on weatherstripping from Frost King. For specific problems, you can choose thresholds, door bottoms and door sets in many coordinated colors and finishes.

M-D Building Products offers a wide selection of door sweeps, thresholds, doorjambs, door bottoms, and drip caps to weatherproof doors. In addition, they offer push and kick plates and screen door grills.