Both Beautiful and Durable! Golden/Yellow Batu/Balou has a brownish/yellow heartwood with a light brown sapwood. Its grain can be straight or interlocked, featuring a glossy and smooth texture. It has great durability along with a great Janka of 1600. Yellow Batu/Balou has been used for years both for finer uses such as flooring and for heavy duty uses as well, such as decks, marine docks and heavy construction. A great wood for your new deck. Indonesian Bangkirai hardwood is a great choice.