521 Surface Mount Automatic Door Bottom with Sponge Neoprene Insert Length:36" SL18 HD600 geared continuous hinges

SL18 HD600 geared continuous hinges are BHMA Grade 1 certified

F9860 Series for fire exit hardware for all types of 8’ x 8’ double doors for up to 3-hour fire labeled installations

18175CNB: C - Clear Anodized Aluminum with Gray Nylon Brush insert

For use on concrete floors

521 Surface Mount Automatic Door Bottom with Sponge Neoprene Insert Length:36" SL18 HD600 geared continuous hingesReese 521_ Surface Mount Automatic Door Bottom with Sponge Neoprene Insert For best results door bottoms should seal on a solid surface. The solid surface should be positioned above the level of the floor covering on either side of the door. Length Available: 36, 48 Max. Drop: 3 4 Can be trimmed up to 3"