As a leading importer and distributor of Siberian Larch. We supply the finest range of Charred Siberian Larch Cladding manufactured from slow-grown larch which is naturally durable wood consisting of the heartwood part of the wood. Our cladding is supplied for both protection and to enhance the look of both the interiors and exteriors of homes, public spaces and garden buildings. For Heavy Charred, Oiled Cladding. The Production Process includes profiling to desired cladding detail, Heavy charring, Oiling, and sealing in the black oil. This leaves the surface with a rustic shabby elegance look. SertiWOOD® Deep Charred wood is also known as Japanese charred wood, people also search for charred wood cladding, charred larch cladding or burnt cladding.