Semi-Mortised Door BottomA semi-mortised automatic door bottom is always supplied with this assembly. This door bottom allows for a higher undercut. Automatic door bottoms are a good choice when flooring conditions are unknown, as they offer up to a 3/4" undercut.
UL Fire RatingsIn addition to acoustical testing, Overly has successfully tested this product to the latest UL fire test standard UL10C/UBC 7-2 (positive pressure).