Ul Labels For Fire Rated Doors

There are a number of testing agencies in the united states but some well known agencies that test and certify fire doors include underwriters laboratory ul intertek testing services intertek etl and qai laboratories ltd qai. O n the doors the fire label is located on the hinge edge between the top and 2nd hinge preparation. Swinging type fire door fire rating hr fire door to be equipped with fire exit hardware.

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O n the frames the fire label is located on the hinge jamb between the top and 2nd hinge preparation.

Ul labels for fire rated doors.

Doors are tested following standards including ul10b ul10c astm e2074 and nfpa 252. O n the frame the fire label would be. If a frame bears a recognized label qualifying it as a fire door frame it may support a 3 hour a 1 1 2 hour a 3 4 hour or a 1 3 hour door. Swinging type fire door ul 10c temp fire rating hr.

The critical component to look for is the circled ul or wh on wood doors the fire label can be on the hinge side or top of the door. Over time the label may get painted over see image to the side so check carefully for any raised surfaces. There are no hourly ratings for a basic fire door frame unless the labeling on the frame specifically states that the frame is rated for something less than 3 hours. We have permitted manufacturers who label fire door frames under the ul certification program to use an embossed certification mark.

Temp rise fire door to be equipped with fire exit. Fire door fire tested without hose stream minimum latch throw in. F ull mortise continuous hinge. Swinging type 20 min.

Butt hinges and pivots. The label may also be located on the top or bottom of the door. First the manufacturer may directly emboss the certification mark into the framing material in lieu of a separately applied label. The embossed mark may be done in different ways.

Fire labels ul its whi or fm are located as follows.

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