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TREX Products
TREX Railing Installation

TREX® Railing Installation Guidelines


Page 2
HOW TO INSTALL STANDARD RAILING
TREX TRANSCEND

NOTES:

>> TREX TRANCEND RAILINGS ARE DESIGNED TO BE INSTALLED OVER THE DECKING FRAME OR INSIDE OF RIM JOIST, NOTCHING OF PRESSURE-TREATED POSTS OR POST INSTALLED ON THE OUTSIDE OF RIM JOISTS ARE NOT ALLOWED.

>> All Trex Transcend Railing lengths are manufactured ON CENTER dimensions (spanning from center of each post): 67-5/8" for 6' on center, and 92-5/8" for 8' on center. Note that railings are designed to be slightly longer than required to allow for very slight play in post placement - some minimal trimming may be required. IT IS VERY IMPORTANT TO MEASURE FIRST.

TREX RAIL

Read all instructions BEFORE installation.

Important: Post sleeves are NOT to be cut for this design style.

Installing Pressure-Treated Posts

  • Posts are to be installed 6' or 8' on center to accomodate railing length.
  • Attach posts using ½" carriage bolts.
  • Minimum joist size is 2x8.
  • Top bolts must be 1" from tops of joists.
  • Bottom bolts must be 5-1/8" from top bolts.
TREX RAIL

NOTE: Blocking can be added for extra strength.

Installing Post Sleeve Skirts and Post Sleeves

2.  Slide post sleeve skirt over post and down to rest on decking surface. Slide post sleeve over post and position inside post sleeve skirt.

TREX RAIL

TREX RAIL

Installing Railing Support Brackets (RSBs)

3a.  Mark 5-1/2" and 35-1/16" from deck surface OR for 42" height, mark 5-1/2" and 41-1/16" from the deck surface.
3b.  Place RSBs directly under the marks, center on posts, and secure with 2" wood screws (provided with post sleeve). Place top RSBs flat side UP, bottom RSBs flat side DOWN.

Cutting Railings
4.  Measure between posts and cut rails
to same length.
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NOTES:

  • If using optional rail gaskets subtract 1/16" from each end.
  • Attach baluster spacers to railings before cutting to allow for cleaner cut and less work.
  • When measuring, cut equal lengths from each side of railing and baluster spacer to ensure equal spacing of balusters per each railing section.
  • In some cases, the gasket can be attached before tighting railing to RSB.
  • If gaskets are tight, use a small flat head screwdriver to compress the tabs of the gasket if they are stuck outside the rail.

Attaching Bottom Rail (Universal Rail) and Foot Block
NOTE: FOOT BLOCKS COME WITH SPECIFIC INSTRUCTIONS ON HOW TO ATTACH RAILINGS - ALSO REFER TO THESE INSTRUCTIONS AS WELL.

TREX RAIL

5a.  Center foot block in universal rail channel or on beveled bottom rail and attach. DO NOT extend foot block.
5b.  Lift bottom rail so RSBs are in the channel and attach with self-tapping screws (provided).

5c.  Telescope foot block down and screw through opposite sides. Place screw plugs.   TREX RAIL

Placing Baluster Spacers and Balusters

TREX RAIL

6.  Cut baluster spacers the same length as rails, equally spaced so holes line up.
7.  Snap baluster spacer into bottom rail. Place inverted baluster spacer on top of first baluster spacer. Place balusters in baluster spacer holes.

Attaching Top Rail - Crown Rail

TREX RAIL

8.  Place crown rail on RSBs with balusters in rail channels. Attach top rail to RSB with two self-tapping screws (provided).
9.  Slide baluster spacer up and snap into top rail. Place optional top rail gaskets on each end of rail.

10.  Secure post cap with silicone or PVC adhesive.

NOTE: Clean up any excess adhesive before drying

  TREX RAIL

Page 1 - Installation Guidelines

Page 3 - Cocktail Railing

Page 4 - Traditional Railing

Page 5 - Angled Crown & Universal

Page 6 - Crown & Universal Stairs

Page 7 - Rnd or Square Alum Balusters


TREX Transcend
Transcend Rail available in many colors

Other Trex Products:

Enhance Decking

Select Decking

Transcend Porch Flooring

Trex Rail Lighting

Trex LED Post Lights

Trex LED Rail Lights

Trex LED Riser Lights

Trex LED In-Deck Lights

 
Trex LV Transformers

Trex Remote Dimmer

Trex 6-Way Splitter

Trex Wire Packages

Trex Female Adaptor

 

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