FORMERLY MCKINNEY DOOR SOLUTIONS & AMERICAN DOOR PRODUCTS - NOW UNITED AS AMERICAN DOORS.
Since 1935, National Guard Products has been manufacturing the finest weatherstripping and threshold products, growing into a family-run industry innovator offering door seals, thresholds, gasketing, intumescent fire seals, smoke seals, sound seals, door sweeps, door bottoms, lite kits, louvers, continuous geared hinges, and sliding door hardware. NGP uses the latest technology for positive pressure products including Gap Solutions for Fire Doors and Edge Sealing Systems compliant with International Building Code requirements. With over 20,000 products in their database, NGP emphasizes clear communication, personalized expertise, and faster delivery as an independently owned leader in commercial door products.