HOW TO INSTALL ROD RAIL STAIR POSTS TREX SIGNATURE®
TOOLS NEEDED
5/16” (7.9 mm) drill bit for stairs 7/64”
8 Irwin Quick Clamps (or similar)
(2.8 mm) or similar sized metal punch
#2 Square Bit
Non-ferrous metal cutting blade
Installing Pressure-Treated Posts » PLEASE REFER TO LOCAL BUILDING CODE REQUIREMENTS 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.
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 ROD RAIL TRADITIONAL OR TREX ROD RAIL COCKTAIL STAIR DESIGNS, ONLY PRESSURE-TREATED POST/ POST SLEEVES CAN BE USED. REFER TO DETAILED INSTRUCTIONS FOR MORE INFORMATION. » All Trex Rod Rail 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°. » Foot Blocks are sold separately and recommended for all spans over 6' for Rod Rail Cocktail and Rod Rail Traditional stair applications) Installing Standard Trex Signature Stair Posts, Trex Signature Stair Crossover Posts, or Pressure-Treated Post, Post Sleeves and Skirts
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 for blocking requirements.
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