![]() ![]() Check the Trex Installation Guide for a list of approved fasteners. Use a color-matched composite fastener to attach the deck board. When using Board Spacing: All decking materials, whether wood. Pre-drill the decking 1” in from the end of the board and 1” in from the edge of the board. Recommendations: Typical choices are plain deck boards, like Trex and ChoiceDek. Place the first deck board on top of the stringers flush with each side stringer and tight to the spacers on the deck frame. Install the treads first in this instance. 10 ½” would be the length of the run on the stringer. If you are installing air-dried decking during a rainy or humid season you may want to place the boards with a 1/8 inch (3.5mm) gap. ![]() Two deck boards 5 ½” + 5 ½” + ¼” for spacing = 11 ¼”. The riser material would be placed on the front and the back of the tread so it would not be deducted. Calculations provided for boards installed at a 90-degree angle. Make sure to order one square edge board for the outer edge of your deck. ![]() Choose which board best fits the dimensions of the deck. In the other case where the risers were to be installed first, the measurement of the riser would not be removed from the equation. Choose from 8, 12, 16 or 20 ft board lengths. 10 ½” – ½” for the riser fascia = 10” as was determined earlier. In this case, the two deck boards, 5 ½” + 5 ½” + ¼” for spacing = 11 ¼”. If the dimensions of the treads were designed by taking away all the measurements of the nosing and riser thickness, then the treads will go on first. The stair stringer dimensions will dictate whether the treads get put on the stringers first or the risers get put on first. The decking on the treads need to be spaced ¼” apart in order to allow for expansion and contraction as well as to allow debris to easily pass through. Measure away from the deck frame 33 ¾” and mark that distance on the 2x4 clamped to the top of the frame. Three treads at 11 ¼” gives a total of 33 ¾” this is the distance the stairway will end away from the deck. In this example, there will be two pieces of 5 ½” decking on each tread, and the two pieces of decking will be spaced ¼” apart, which gives each tread a total depth of 11 ¼”. To determine how far away from the deck the stairway will end, the depth of the treads will need to be determined. The decking is 5 ½” so two pieces together will be 11”. This brings the total tread count to three. In this example, there are four rises, and there will be one less tread than rise (since one of the treads on the stairway will be the actual deck). Deck guardrail spacing is too far apart.Knowing the number of rises that are needed for the stairway will help determine the number of treads. Fasten 1 in from the edge of the board and every 16 in the center. Here are eight potential deck hazards to consider as you assess your deck, and why keeping each in check is important for the safety of your family and friends. Fasten the front edge of the deck board to the deck frame with a color-matched, 2 ½ to 2 ¾ long 8 or 10 composite decking screws. No matter the age of the deck or who built it, it’s crucial that you check your deck at least annually and keep an eye out for problems year-round. Check out specs, colors, profiles and more. Plus, building with Trex is as easy as wood, yet, leaves no painting, staining, splintering or rotting to worry aboutever. (If you don’t know a local professional deck builder, the North American Deck and Railing Association has a searchable member directory.) Trex pioneered the wood-alternative decking industry nearly 20 years ago and we continue to innovate best-in-class products for high-performance, low-maintenance outdoor living. If you have recently bought a home with a deck and decided against an inspection before sale, it’s best to hire an expert to check it before using it, especially before you throw a big party. ![]() As a result, to prevent deck-related injuries, it is crucial to maintain and improve existing decks. Not only are these older decks subject to natural wear and tear, but they were also constructed before today’s more stringent codes. The gapping on Trex decking depends on the temperature conditions of where you intend to place it. are more than 15 years old-and the lifespan of a traditional wood deck is only 10 to 15 years. What is The Recommended Gapping for Trex Decking. Complicating the situation even further, about half of the 40 million residential decks in the U.S. ![]()
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