The Acudor FW-5050-UP is an upswing fire rated access door approved for installation in ceilings. This door has been approved by Warnock Hersey International for three hours, with a maximum size of 24" x 36". The door panel is insulated and has a coil spring for dampening when closing. The FW-5050-UP is available in both steel with a prime coat of white baked enamel and also stainless steel with a #4 satin polish.