AFCO Door Components help to seal up your door. Products include door sills, thresholds, weatherstrip, door bottoms.

Columbia Aluminum has been dedicated to developing, manufacturing and distributing weather-strip/door components and floor covering products to the building industry.

Hager Companies offers a complete line of thresholds and weatherstripping products for virtually any type of door application.

The slope "sweep areas" control ambient moisture and releases it harmlessly away from door sill and frame.

Legacy Sealing Systems for Doors include gaskets, door bottoms, thresholds, saddles, sweeps and stiles.

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.

The thresholds seal the door against air, dust, water and sound.

Worldwide Door Components Inc. specializes in the production of our New 4Ever Frame Door Jamb and ProT4 Aluminum Threshold as well as our complete product line of thresholds, door sweeps, watherstrips and aluminum T-astrageals.