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.

Hager Companies offers a complete line of thresholds and weatherstripping products for virtually any type of door application. What’s more, each meets or exceeds ANSI-grade quality, durability, and performance levels. For enhanced levels of safety and security, we also offer intumescent products for positive pressure solutions, including edge sealing and smoke control systems. All of which make Hager threshold, weatherstripping, and door bottom products an excellent choice for standard or custom applications in schools, hospitals, office buildings, and more.

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.