Important Notes Before Installing Trex ® Decking
It is required 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.
3/16" (5mm)
Abutted Board Attachment Wood Framing- Option 1
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.
1/8" (>40°F) 3/16" (<40°F)
Pre-drill using 1/8" bit
Abutted Board Attachment Wood Framing- Option 2
1/8" (>40°F) 3/16" (<40°F)
1" (25mm)
Routing Square Edge Boards for Trex Hideaway Hidden Fasteners NOTE: All Trex square edge profiles, either 1x6 or 2x6, can be routed.
NOTE: Optional - Gap joist framing 1/8" – 1/4" to allow for water drainage. Refer to local building code recommendations to determine if gapping between joists to allow for additional airflow is required. Metal Framing
1/8” (>40) 3/16” (<40)
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.
Using a Trex router bit 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.
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