The FW-5050-DW access door has a textured frame and bead so drywall joint compound can be applied in sufficient thickness to conceal the flange.The FW-5050-DW is insulated and rated by Underwriters Laboratories for 1.5 hour "B" label in walls and by Warnock Hersey for 3 hours in ceilings.
Rough Opening Should Be 3/8" Larger Than Order Size