... some bleeder vent,so good ventilation,water-proof,Anti-Crush1) Door leaf : Solid fir skeleton inside, HDF boards for ... veneers, solid fir skeleton ,filed with honeycomb paperboard6) Material of door frame: HDF board7)Surface:melamine8) Accessories: hinges, locks, handles ... door 1)Solid fir and HDF boards filmed2)ISO9001:2000,CE 3)Enviromental 4)competitive price,reliable quality laminated panel door