Four-Fold Tornado Resistant
The FF800, Tornado Resistant Four-Fold door system has been designed for, tested & passed ICC-500 & FEMA 361 storm shelter requirements.
Made with a heavier construction than the standard Four-Fold door system, the FF800 is built to withstand flying debris and extreme wind loads. It is made with 3/16” tubing and 12-gauge sheeting, reinforced window frames and 1 1/4” impact glass.
A power or manual operated cremone lock secures the door. The FF800 is available with up to four (4) 12” x 12” windows
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