Type FR fire-rated floor doors

The Type FR fire-rated floor door maintain the fire rating of a two-hour floor/ceiling assembly for applications where access is required between building foors. It complies with NFPA 251, NFPA 288, ASTM E119, BS 476-22 and is UL listed for a two hour fire rating when exposed to fire from the underside. The Type FR fire-rated floor door features