TREX FASCIA INSTALLATION RECOMMENDATIONS - TIMBER FRAMING
General Notes: » Trex Fascia utilized around the perimeter of a deck must be gapped with the same requirements as Trex decking to allow for expansion/contraction of the fascia. » When using 33 mm x 184 mm framing, attach fascia using 2 fascia recommended fasteners; when using 38 mm x 235 mm or larger framing, attach fascia using 3 fascia recommended fasteners. Top screw should be placed 25 mm from the top of the rim joist, the second screw in the center of the rim joist, and the third screw 25 mm from the bottom of the rim joist. WHEN USING RECOMMENDED FASCIA FASTENERS: » R ecommended fascia fasteners can only be used with 14 mm x 184 mm or 14 mm x 288 mm fascia product and cannot be used with decking products that are being used as fascia trim or stair risers.
Method 1: Fascia Under Decking ( Note: reflects 14 mm x 184 mm fascia installation & square- edge decking).
Method 2: Fascia Beside Decking ( Note: spacers below reflect 14 mm x 184 mm fascia installation) When using this method, attachment of spacers to framing may vary depending on the fascia size. If installing 14 mm x 288 mm fascia use two screws spaced properly apart so as to not interfere when installing fascia screws.
Decking
Decking
Fascia
Fascia
Fascia
Decking
Fascia
Decking
Install fascia UNDER decking edges/ends. This will optimize the aesthetics and performance of the installation.
Spacer
Spacer
All images shown here reflect fascia under the decking as well as using recommended fascia screws .
Install 5 mm to 6 mm thick x minimum 25 mm wide exterior grade spacers (these should be cut the same length as the rim joist), and spaced 228 mm on center. Install fas- cia screws as stated below at spacer locations (ensure that spacer screw does not interfere with fascia screw). TIP: Prior to installing spacers, paint ends black so as these are not as visible (especially when using contrasting colors).
Miter Cut 3 mm (>4.4°C) 5 mm (<4.4°C)
Abutting Gap 6 mm (>4.4°C) 12.7 mm (<4.4°C)
Gap end-to-end 3 mm (>4.4°C) 5 mm (<4.4°C)
14 mm x 288 mm Fascia 38 mm x 235 mm (rim joist)
14 mm x 184 mm Fascia 38 mm x 184 mm (rim joist)
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