Treated Decking Boards in douglas fir which have grooves on their top side with a smooth planed bottom. Available in 300cm, 400cm and 500cm lengths, 28mm thick.We can also provide you with Stainless steel specialist Decking screws that features 4 Milling Nibs on the shank, A drilling point that decreases wood tension, preventing the wood from cracking removing the need to drill pilot holes, Please visit our Decking screw page in the Hardware Category for more information.Timber Features:TreatedGroove upper sideSizes Available:Please note: This timber is priced for collection, A delivered cost can be obtained by adding to cart and entering your address.