WOODEN ACOUSTIC DOOR: – 55mm to 76mm thick sandwich type composite sound reducing flush door shutters.
(a) Door frame shall be of teak / hard wood of size – 110 mm X 100 mm, including making necessary grooves in the frame for fixing of hollow bulb type EDPM gaskets on rebates to block noise leakage from gap in between door frame and shutter.
(b) The frame of shutter shall be made from 40 mm thick teak / hard wood stiles and top & bottom rails of size 94 mm and core made of lock rail 100 mm wide and 40 mm thick and three additional strips 50 mm wide and 25 mm thick (minimum)
(c) The core of door shutter shall be filled with acoustic insulation material , sound absorbing and damping material.
