... :300*300*30mm 2.Material:balau,ipe,merbau 3.wave or smooth surface,waterproof 4.Usage:Sauna room&bathroom Floorboard hardwooden ... indoor or outdoor flooring-19Specification: 1.Material:soild wood:Douglas Fir of ... excessively same, the effect is good. Notes:Balau material, Cumaru or dogalas pine, which can be made in long decking, the ...