Warnock Hersey Fire Door Rating

All republic doors and frames have been fire tested in accordance with ul 10b ul 10c ubc 7 2 and astm e 152 and are all produced under underwriters laboratories and warnock hersey its factory inspection and labeling service program.

Warnock hersey fire door rating.

Steel fire doors are rated by time in minutes or hours that a door can withstand exposure to fire test conditions. The label contains other information as well such as the manufacturer whether the opening is equipped with fire exit hardware and whether the door carries a. Intertek s warnock hersey mark has long been one of the industry s most recognizable marks and is found on a variety of products including fire doors and frames. Pre primed and ready to paint the door is pre drilled to accept most handle sets sold separately.

1 hours 3 hours. Red oak fr 50 raised panel cherry fr 843 raised panel maple fr 20 flat panel. Nearly 80 of north america s wood fire rated doors bear the wh mark. Intertek s warnock hersey mark has long been a marquee mark in building product industry and in 2013 intertek introduced the next evolution of the warnock hersey mark.

Hourly ratings include 1 1 2 hours 1 hour 3 4 hour and 1 3 hour with the maximum rating required of any swinging type fire door being three hours. Trudoor is an authorized whi fire labeled shop warnock hersey intertek enabling us to modify re certify and label fire rated doors and frames. And we are certified by ul to cut re certify and label fire rated glazing materials. 90 minute warnock hersey red label 9 shipper call out 90 minute whi specifics label each door of pairs 90 minute rated mineral core composite stiles rails positive pressure warnock hersey s label silver label 10 red lettering shipper call out 20 45 60 90 positive pressure whi specifics label each door of pairs used with all whi.

Door system includes 3 standard hinges. Intertek is a company that ensures products meet safety health environmental and quality standards for almost any product. Flat or raised panel stile and rail wood fire door type a or type b. In terms of a fire door this is measured by a length of time eg.

Intertek s warnock hersey mark is a mark certifying product safety and performance used in north america including on wood fire rated doors. Ubc standard 7 2 1997 positive pressure test method. The new mark combined the storied etl mark with the traditional warnock hersey wh mark. A fire resistance rating is the duration for which a door can withstand a fire resistance test.

This mark is widely recognized throughout the industry appearing on fire doors and frames found in north america and beyond.