... bleeder vent,so good ventilation,water-proof,Anti-Crush 1) Door leaf : Solid fir skeleton inside, HDF boards for both ... : 2,000 x 800 x 40mm 3)Wall thickness: 260mm4)door frame thickness:25mm5) Materials: HDF veneers, solid fir skeleton ... paperboard6) Material of door frame: HDF board7)Surface:melamine8) Accessories: hinges, locks, handles, rubber seal9) Advantage: no need painting, no formaldehyde, ...