This pre-finished red deal cladding features a clever tongue and groove construction, making it easy to slot the boards together for DIY projects. Each pack contains 10 lengths, all pre-finished for a hassle-free installation. The boards are V-jointed for added convenience. Please note that this product is intended for indoor use only. The dimensions of each board are 8Ft (2.4m) in length, 89mm in width, and 8mm in thickness.