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Door Seals, Thresholds & Gaskets

We supply National Guard Products door seals, gaskets, and thresholds to control heat, dirt, draft, noise, smoke, and moisture infiltration on wood and steel doors for both commercial and residential door installation projects. NGP perimeter door seals, automatic door bottoms, door shoes, and astragal seals utilize nylon brushed, silicone, neoprene, and vinyl gasketing to ensure that your interior building space is protected from the outside elements that try to seep through the cracks, edges, and seams of your door. HarborCitySupply.com also deals direct with most major lock and door hardware manufacturers, so that you can finish your door design with Kwikset, Schlage, Monarch, Von Duprin, Falcon, Baldwin, or Emtek heavy duty door locks and decorative door hardware options.

National Guard Products also offers a wide selection of aluminum and stainless steel door thresholds that, when combined with NGP perimeter seals and automatic door bottoms, offer the ultimate in draft, noise, smoke, and debris barrier controls for your commercial or residential door project. Our door threshold selection includes saddle thresholds, bumper seal thresholds, offset thresholds, heavy duty thresholds for forklift or vehicle traffic, and ADA compliant interlocking ramp thresholds that can be trimmed down to size in the field. In the event that you are installing our ADA ramp thresholds for wheelchairs or individuals using a cane or walker, you may also consider installing our ADA stainless steel or nylon safety grab bars and handrails for added balance and support for both interior and exterior ramps.