How to install your Composite Decking WPC Decking
2: Fix decking boards to joists. Our compsite decking boards are easily fastened to the joists of a supporting substructure with the help of our stainless steel screw and plastic T-Clip system. Start at the outside of the area to be decked. Place your first board and screw it into each joist it crosses using a row of starter clips. Then fit T-clips into the groove along the side of the board and screw them into each supporting joists with the screws provided, one T-Clip for each supporting joist.