HOW TO INSTALL STAIR POSTS AND STAIR RAILING TREX SIGNATURE®
Installing Standard Trex Signature Stair Posts, Trex Signature Stair Crossover Posts, or Pressure-Treated Post, Post Sleeves and Skirts
IMPORTANT NOTES: » FOR A 6' OR 8' STAIR RAIL, POST TO POST SPAN WILL BE LESS THAN 6' OR 8'. PRIOR TO INSTALLING STAIR POSTS CALCULATE POST TO POST SPAN USING A MAXIMUM STAIR RAIL LENGTH REQUIRED AND THE ANGLE (32°-37°) AT WHICH THE STAIR RAILS WILL BE INSTALLED. DO NOT INSTALL STAIR POSTS AT 6' OR 8' SPAN, AS STAIR RAILINGS WILL THEN BE TOO SHORT. » TREX SIGNATURE POSTS CANNOT BE USED WITH TREX SIGNATURE TRADITIONAL OR TREX SIGNATURE COCKTAIL STAIR DESIGNS, ONLY PRESSURE-TREATED POST/POST SLEEVES CAN BE USED. REFER TO DETAILED INSTRUCTIONS FOR MORE INFORMATION. » All Trex Signature stair installations require the use of 53" (134.6 CM) stair post, measured and cut to appropriate length if required. » If crossover stair post is required, use stair post (again cut to appropriate length if required) and use swivel crossover bracket. » Trex Signature Stair fixed brackets are designed to work only with stair slopes of 32°-37°. » For smaller (less than 32°) or larger angles (greater than 37°), use the Trex Signature Stair Swivel brackets. » Trex Signature Compound swivel stair brackets are designed for flared stair designs. » At all final end post configurations, top stair rail will need to be measured (making sure balusters line up vertically) and cut. » For odd span lengths, both bottom and top stair rails will need to be measured (making sure balusters line up vertically) and cut. Also, ensure that balusters are spaced with equal distance on each side of the post. » Rails that do not require cutting must be oriented in the correct direction to ensure balusters are spaced properly when installed in brackets. On both bottom and top stair railings, baluster hole closest to the end of each stair rail is to be installed at the top of the stair section. Ensure that both bottom and top rails are correct and balusters line up vertically before INSTALLING. » Foot Blocks for stairs are sold separately and recommended for use in Signature Cocktail and Signature Traditional applications.
1. Make sure 53 " (135.6 cm) posts are used for all stair posts.
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2. If Trex Signature stair posts are used, install at nose of stair tread directly under required blocking. See Trex Signature horizontal post instructions.
Installing Pressure-Treated Posts » PLEASE REFER TO LOCAL BUILDING CODE RE- QUIREMENTS PRIOR TO ATTACHING PRESSURE TREATED POSTS. » PRESSURE TREATED POSTS MUST BE INSTALLED ON INSIDE OF STAIR STRINGER AND AT NOSE OF STAIR TREAD. » POST TO POST SPAN WILL BE LESS THAN 6' OR 8'. PRIOR TO INSTALLING POSTS CALCULATE POST TO POST SPAN USING A MAXIMUM RAIL LENGTH REQUIRED AND THE ANGLE (32°-37°) AT WHICH THE RAILS WILL BE INSTALLED. DO NOT INSTALL STAIR POSTS AT 6' OR 8' SPAN, AS STAIR RAILINGS WILL THEN BE TOO SHORT. » In most cases, a post and post sleeve longer than 39" (991 mm) will be needed on the lower section of stair rail to accommodate stair angle.
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NOTE: Construction methods are always improving. Please refer to www.trex.com for the most up-to-date installation requirements.
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