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Important Notes Before Installing Trex
®
Decking
3/16" (5mm)
It is recommended to clean cut boards on both
ends a minimum 3/16" (5mm).
To ensure an appealing mix of color tones,
mix and match all boards prior to installation.
2
1
Pre-drill using 1/8" bit
1" (25mm)
If installing in localities prone to large
temperature shifts within a 24-hour period,
and installing Trex Universal Hidden Fasteners,
predrill and toenail a screw (use same screw
used in hidden fasteners) at an angle in groove
at both ends (at least 1" (25mm) from board
end) and center of each board.
Routing Square Edge Boards for Trex Hideaway
Hidden Fasteners
NOTE:
All Trex square edge profiles, either 1x6 or 2x6,
can be routed.
Using a Trex routerbit with standard router:
1. Rout from bottom side of board.
2. Rout the entire length of the board, or at every
intersection where board is over support joists.
1/8" (>40°F)
3/16" (<40°F)
3mm (>4.5C)
5mm (<4.5C)
30mm
Abutted Board Attachment Requirements
Metal Framing
NOTE:
Hidden Fasteners MUST be used at every joist.
NOTE:
Use a drill (with adjustable clutch and torque)
and adjust these settings if necessary to ensure screw
is seated correctly in fastener. DO NOT countersink the
screw head into the fastener. Screw head should be
flush with the top of the fastener.
NOTE:
Optional - Gap joist framing 1-1/8" to allow for
water drainage.
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