FORMERLY MCKINNEY DOOR SOLUTIONS & AMERICAN DOOR PRODUCTS - NOW UNITED AS AMERICAN DOORS.

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Zero International

Premium Door Sealing Systems

Zero International, located in the Bronx, New York, are category leaders in sound control, fire and smoke protection, and threshold applications. Originally a weatherstripping manufacturer, Zero became a pioneer in door and window gasketing before being acquired by Allegion. Their integrated sealing systems address fire, smoke, acoustical, air filtration, and EMI/RFI shielding requirements with products constructed from top-quality materials including solid or closed-cell sponge neoprene, silicone, EPDM rubber, nylon brush, and pile with fin seals. Zero products support green building applications by improving heating and cooling efficiency.

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Since 1938, American Doors has supplied commercial doors, frames, and hardware across the U.S., growing from a Houston-based distributor into a multi-market platform serving contractors throughout Texas and Colorado. Family-owned for more than 85 years, we emphasize continuity and craftsmanship, with AHC-certified hardware specialists and experienced estimators delivering fully coordinated Division 8 and Division 10 solutions from specification through installation.
American Doors is part of Riverbend Industries, a family-owned industrial group focused on building durable, operating businesses.

Riverbend partners with management teams for the long term—investing in people, systems, and manufacturing capability while preserving the culture and accountability that make each business successful.

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