... but can not be soaked in water.Door structure: fir wood core, natural hardwood surrounded in the lipping, tongue and groove glued ... design, nice but economical.4. Door finish: a)Lacquer, original wood colour and grain are kept, looks natural. b)Painting, six ... coarse.5. Door jamb: frame with brick molding, with rubber seal.6. Wood species: ash, sapeli, chempaka, Chinese cherry, black walnut, meranti ...