... Solid fir/pine,honeycomb+HDF+natural wood skin 6 layers finish solid wood door Specification1. Door Leaf: HDF boards for both sides,veneered with solid wood ... like Oak,Maple,Kempas,Walnut,Sapelle,Weng...2.Door frame: solid wood+HDF ... : veneered HDF or solid wood6. Core: partical board,honeycomb,solid fir,pine ...