TREX SELECT® T-RAIL STAIR RAILING Installation Instructions
HOW TO INSTALL STAIR RAILING WITH GASKETS AND BRACKET COVERS/ CONTINUED
Measuring and Cutting Stair T-Rail
Attaching Brackets on Stair T-Rail NOTES: » For attachment of brackets to posts, use at least a 3" long drill bit or extension so as to not damage sides of rails when installing. » SET DRILL TO LOW SPEED AND LOW CLUTCH SETTING WHEN INSTALLING THESE SCREWS. DO NOT USE IMPACT DRIVER.
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8. Place two balusters into lower stair rail at each end closest to the post. 9. Position T-Rail onto balusters, ensuring balusters are fully seated in rail (position to side of post), and ENSURE balusters are spaced evenly AND parallel with posts.
T-Rail Lower Post Stair Bracket
T-Rail Upper Post Stair Bracket
12a
12a. O n the T-Rail at UPPER POST location, position the T-Rail bracket so
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that it overhangs the rail by the thickness of the gasket. Install two upper
screws into underside of T-Rail using #8-18 x 1" self-drilling screws (provided). Remove gasket, as this will be installed in future step. DO NOT INSTALL SIDE SCREWS AT THIS TIME.
10. M ark stair T-Rail at post intersections.
12b
12b. If using the T-Rail aluminum stiffener,
KEY Mark Cut
KEY
11a. R emove T-Rail and from marked measurement in previous step, substract 1/16" from each end of rail to allow for gaskets, and cut along the marks.
11a
slide this inside T-Rail as shown. Note that the stiffener must be slightly shorter to allow for brackets to be installed. Screws from brackets are NOT to penetrate the stiffener.
1/16" (1.6 mm)
1-1/2 "
1/16" (1.6 mm)
12c
12c. On the T-Rail at the
Cutting T-Rail Aluminum Stiffener (if required) 11b. F or stair railing installations over 6' in length, the T-Rail aluminum rail stiffener must be used. The stiffener MUST be cut 1-1/2" shorter than the T-Rail.
LOWER POST location, position the T-Rail bracket so that it
11b
overhangs the rail by the thickness of the gasket. Install two upper screws into underside of T-Rail using #8-18 x 1" self- drilling screws (provided). Remove gasket, as this will be installed in future step. DO NOT INSTALL SIDE SCREWS AT THIS TIME.
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1-1/2 "
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Have Questions? 1–800–BUY–TREX
NOTE: Construction methods are always improving. Please ensure you have the most up-to-date installation instructions by visiting: trex.com
STRS-0525
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