... be soaked in water.Door structure: fir wood core, natural hardwood surrounded in the lipping, ... .4. Door finish: a)Lacquer, original wood colour and grain are kept, looks natural. b)Painting, six ... polish. c)Oil stain, featuring big and heavy wood grain, looks and feels coarse.5. Door jamb: ... frame with brick molding, with rubber seal.6. Wood species: ash, sapeli, chempaka, Chinese cherry, black walnut ...