![]() Check the Trex Installation Guide for a list of approved fasteners. Use a color-matched composite fastener to attach the deck board. Pre-drill the decking 1” in from the end of the board and 1” in from the edge of the board. 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. At the ends of the deck boards, allow a minimum of 1/16 gap for every 20F of difference between the installation temperature and the hottest temperature. 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. In the other case where the risers were to be installed first, the measurement of the riser would not be removed from the equation. 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”. It features a stainless steel deck screw already set in the fastener for increased durability and easier installation. To determine how far away from the deck the stairway will end, the depth of the treads will need to be determined. This self-gapping hardware is the main fastener component that attaches two boards together. Clean, fastener-free appearance across entire surface. The decking is 5 ½” so two pieces together will be 11”. Kit includes 360 self-gapping, glass-filled nylon, universal deck fasteners with preset stainless steel screws, 16 universal start clips with screws, drive bit and installation instructions. ![]() 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). It does not store any personal data.Knowing the number of rises that are needed for the stairway will help determine the number of treads. The cookie is set by the GDPR Cookie Consent plugin and is used to store whether or not user has consented to the use of cookies. ![]() The cookie is used to store the user consent for the cookies in the category "Performance". This cookie is set by GDPR Cookie Consent plugin. The cookie is used to store the user consent for the cookies in the category "Other. The cookies is used to store the user consent for the cookies in the category "Necessary". The cookie is set by GDPR cookie consent to record the user consent for the cookies in the category "Functional". The cookie is used to store the user consent for the cookies in the category "Analytics". These cookies ensure basic functionalities and security features of the website, anonymously. Necessary cookies are absolutely essential for the website to function properly. ![]()
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