This surface mounted Top of the range automatic door bottom is specifically designed to create the most efficient sound seal conceivable for normal sound levels. Fire and smoke rated. Built to last, our door bottoms have been tested through 5 million cycles! Includes a Top of the range closed cell sponge neoprene rubber seal. Maximum drop of 1″ which is activated upon closing and opening of the door to make sure smooth usage (no batteries or electricity required). This ADB may also be surface mounted to a right or left handed door.
Top of the range mechanical construction (Tested to 5 million trials) – Made in the united states!
Tight seal to prevent – sound, light and smoke. Fire rated
Mechanically raises and lowers with opening and closing of door (no batteries or electricity)
Smooth open and close – May not get caught in floor
Heavy duty neoprene sponge seal (not cheap vinyl)