Wood is a very strong material that creates a warm and open feeling. if you decide to use wood for the custom doors of your Hawaiian home, be sure to do your research in a number of factors: moisture content, grain pattern and natural variation such as knots and distortion. A good source of information about wood is sustainable Wood Institute (SWI). SWI provides clear guidance on choosing solid wooden goods; You can also find more information on their website. In addition, be spoke solid Hawaiian wood interior door made of recycled polyurethane another type of waterproof and durable material used in many constructions project. RPU is made from recycled materials such as plastic bottles. Including does not have the same aesthetics as solid wood, low cost RPU Alternative for many applications. It is very popular and protect the environment, and help create a clean and cool aura in the house.