Create clean, crisp, continuous channels and shadow lines with Fluted Panel. Features Quick and easy installation Interlocking profile for consistent alignment and integrity an interlocking tongue has been specially designed to allow for secret fixing Outstanding acoustic properties Perfectly straight lines and shadows High wood density and coarse texture Long lasting, Paint free and Waterproof Using high density antiseptic organic formula Well solve of generic wood rot problem, no painting is required to cope with extreme environments. Low flame-spread Our composites are using difficult to burn compounds to provide extra layer of protection in the occasion. And delighted by FSC high polymer to optimize the wood fiber structure which prevent insect foraging as the same go.