4800 mm x 2700 mm timber door with 400 mm hardwood or metal strip covering the nott for a BAL 19 fire area.
Next choice would be insulated metal door. I live opposite a squealing railway corner and the noise is worse through meyal
4800 mm x 2700 mm timber door with 400 mm hardwood or metal strip covering the nott for a BAL 19 fire area.
Next choice would be insulated metal door. I live opposite a squealing railway corner and the noise is worse through meyal