install capped composite decking. some composite decking manufacturers including duralife go one step further by wrapping a protective film around each board. as soon as the last decking component is installed, builders can simply remove the film and reveal a beautifully unmarred surface to the homeowner. 2. use color matched end caps
1. install the next-to-last board with only as many screws as needed to hold it in place. measure the width of the last board at a number of placesevery 6 feet or so. if the width varies by more than 1/4 inch, plan to rip-cut the last board to roughly follow the houses contours.
5. continue laying boards in this way until you reach the last course. secure that course with composite decking screws after cutting any notches necessary to fit around railings, using a jigsaw.
fascia should be installed before decking to make sure the boards are installed with the proper overhang for a clean appearance. fascia need to be installed with the same gaps and specialty fasteners to allow for ventilation and prevent cracking. the sections below discuss the specifics of gaps and fasteners. setting your composite decking board. source
whenever possible, try to avoid ripping composite decking and use full boards for your surface. if you do have to rip, put the rough, exposed cut side where flaws will be least noticeable. if installing the decking around an existing structure, a simple router can be used to make curved cuts.
how to fasten composite decking with most deck applications, deck screws or deck nails are driven directly through the wooden deck boards and into the joists beneath them.