Trex® Chateau grey Composite Deck board (L)2.4m (W)140mm (T)24mm. From the world’s No.1 decking brand, Trex makes adding durability and beauty to your garden easier than ever with solid and strong Trex Contour. Protected by our high-performance shell technology, your Trex deck will stand the test of time through all sorts of weather, with only minimal maintenance required. Available in three nature-inspired colours, Contour is the perfect, go-with-anything complement to your home. Like all Trex products, Contour decking is covered by a long-lasting warranty.. Deck board by Trex®.