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90-Minute Fire Rated Frames

Certain frames have been tested and approved to carry a 90-minute fire rating. These frames, when used in connection with a 90-minute rated door and the appropriate hardware, can create a 90-minute fire-rated unit.

Below are a listing of the approved 90-minute fire-rated frames:

Therma-Tru Split Steel Frame

RSP Split Steel Frame

Commercial Split Steel Frame

Hollow Metal Masonry Frame

Hollow Metal Drywall Frame

Updated on June 4, 2020

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