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.
Up to 90 Minute Fire Ratings AvailableUnit can be UL Fire Labeled and remain acoustically certified when it is glazed with one pane of Acousta-Pane 36, 1/4" laminated glass and one pane of up to 5/16" thick UL listed glass such as FireLitebrand Ceramic glass.