NGP 4447 Dual Actuated Automatic Door Bottom - Mortise

Product Overview

National Guard Products' dual actuated automatic door bottom is designed for dingle doors only, has a gray silicone insert, and a max drop of 1/2". Actuated by frame stop on both ends. May be cut up to 3" to adjust for door width. Low compression and operating force. Resistant to ozone, UV, aging, moisture and flame. Recommended for areas using FM200 or Halon Fire Suppression Systems. Complies with IBC, NFPA 80 and NFPA 252 for application to hollow metal fire doors rated up to 3 hrs., and wood fire doors rated up to 90 minutes.