Legacy Manufacturing's specialty Door Thresholds are here to serve your gasketing, weather stripping, and soundproofing needs. Our 3745 threshold is made of Mill Aluminum and is available in 36, 48, and 72 inch sizes. Legacy Manufacturing produces custom gasketing with unbeatable lead times. We engineer, manufacture and test acoustical sealing systems for our customers around the world. Legacy offers a growing list of products such as automatic door bottoms, architectural door seals, cam lift hinges, door flood barriers, thresholds, saddles, and more. Due to changing demand, we are always adding more to our line. In addition, Legacy designs and develops all products in New York, USA. Our standard of manufacturing towers over our competitors, making Legacy the professional's choice for high performance and long life. And we guarantee it.