Merbau is a Southeast Asian rainforest hardwood that is also known as Kwila.Plywood Adelaide, Australia It is a durable, dark reddish-brown timber.Merbau is perfect for a range of uses; it’s a versatile timber that can be used for outdoor decking, flooring, cladding, fences, and furniture. Merbau is durable, easy to work with and is known for its unparalleled resilience and usability, along with the resistance to termites and weathering.It will finish well with oil, paint, stain, and polish.