HOW TO INSTALL STAIR RAILING/ CONTINUED TREX SELECT T-RAIL ®
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Measuring and Cutting Bottom Rail
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3. Place a 1" deckboard on the nose of the stair tread.
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1. 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'. 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' SPAN, AS STAIR RAILINGS WILL THEN BE TOO SHORT. » A post and post sleeve longer than 39" will be needed on the lower section of stair rail to accommodate stair angle. » Ensure pressure-treated posts are installed at proper heights so when post sleeves are installed, both the PT post and post sleeve are flush at the top.
4. Set bottom stair rail on top of deckboard, making sure baluster holes are vertically aligned and mark line at each intersection. When measuring, cut equal lengths from each side of railing allowing a minimum of 2 " on each end from the last baluster hole to the end of the rail. This will ensure proper baluster and bracket placement and equal spacing of balusters per each railing section.
IMPORTANT NOTE REGARDING FOOT BLOCK INSTALLATION: » Refer to detailed instructions included with foot block prior to installation of railing section as these include other required steps for proper installation.
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Marking Location for Foot Block to Bottom Rail
Installing Post Sleeve Skirts and Post Sleeves 2a. If using a 1-piece skirt, slide post sleeve skirt over post and down to rest on
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decking surface. Slide post sleeve over post and position inside post sleeve skirt.
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2b. If using a two-piece skirt, slide post sleeve over post and down to rest on decking surface. Snap two piece skirt over post sleeve.
5. Mark approximate location for foot block, allowing a measurement of 4" maximum. Invert the bottom rail, and at marked location drill a hole using a 3/16" drill bit in the center of the channel. Foot block is to be in- stalled at last step.
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NOTE: Shims can be used to plumb post sleeves.
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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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