The WB FD 8500 Series Flush Fire-Rated Aluminum Diamond Plate Floor Hatch is a rugged, flush access door designed for new or existing openings in interior utility and general purpose applications. In subways, skyscrapers and everything in between, the WB FD incorporates the latest fire-resistant technology to protect floors above from fire below. Featuring a heavy-duty, 1/4″ reinforced aluminum cover and an aluminum/stainless steel thermal-break frame both with a mill finish, hatch is Warnock-Hersey tested for a 2 hour fire rating. In addition, it is reinforced for pedestrian traffic and can safely handle 150 pounds per square foot (psf) loading.
The WB FD 8500 fire-rated floor door is available in a variety of sizes including 24×24, 24×36, 30×30, 36×36, 36×48 and more. In addition, custom sizes are available upon request. Door features a flush lifting handle, slam latch, stainless steel hinges, automatic closing mechanism with a UL listed fusible link, stainless steel compression springs for lift assistance, and an automatic hold-open arm. Options include steel construction.
Manufactured for The Williams Brothers Corporation of America. MADE IN USA.