Our Fire-Rated FRP-Clad Door SL-21 is the perfect complement to our FRP entrance doors for interior or exterior applications that require a fire-rated door. Tested in accordance with UBC 7-2, NFPA 225, and UL 10C requirements, the SL-21 has passed the 1-1/2 hour positive pressure test, hose stream test, and 250 °F (121 °C) temperature rise tests to achieve Warnock Hersey listing for fire-rating applications in the United States. The SL-21 is available with 30, 45, 60 or 90-minute fire-ratings.
Our Fire-Rated FRP-Clad Door SL-21 is the perfect complement to our FRP entrance doors for interior or exterior applications that require a fire-rated door. Tested in accordance with UBC 7-2, NFPA 225, and UL 10C requirements, the SL-21 has passed the 1-1/2 hour positive pressure test, hose stream test, and 250 °F (121 °C) temperature rise tests to achieve Warnock Hersey listing for fire-rating applications in the United States. The SL-21 is available with 30, 45, 60 or 90-minute fire-ratings. 
