Installation Guide

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DECKING

Trex

Fascia Installation Recommendations

NOTE: English measurements are shown. Convert to metric measurements if necessary.

NOTE: Construction methods are always improving. Please refer to www.trex.com for the most up-to-date installation requirements.

Method 1: Fascia Under Decking

(Note: reflects 2x8 fascia installation & square-edge

decking)

Install fascia UNDER decking edges/ends. This will

optimize the aesthetics of the installation.

Method 2: Fascia Beside Decking

(Note: spacers below reflect 2x8 fascia installation)

Install 3/16" to 1/4" thick x minimum 1" wide exterior

grade spacers (these should be cut the same length

as the rim joist), and spaced 9" on center. Install fascia

screws as stated below at spacer locations (ensure that

spacer screw does not interfere with fascia screw).

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 2" x 8" framing, attach fascia using 2 fascia approved fasteners; when using 2" x 10" or larger

framing, attach fascia using 3 fascia approved fasteners. Top screw should be placed 1" from the top of the rim

joist, the second screw in the center of the rim joist, and the third screw

1" from the bottom of the rim joist.

WHEN USING APPROVED FASCIA FASTENERS:

» Approved fascia fasteners can only be used with 1x8 or 1x12 fascia product and cannot be used with decking

products that are being used as fascia trim or stair risers.

Decking

Fascia

Decking

Fascia

Spacer

Decking

Spacer

Fascia

Trex Recommended Fascia Fasteners:

Cortex® Hidden Fastening System

for Fascia

Starborn® Pro Plug® System for Fascia –

Epoxy & Stainless

Starborn® Deckfast® Fascia System –

Epoxy Coated and Headcote® Stainless

SplitStop™ Fascia Screws

Simpson Strong-Tie

Fascia Board Screw

FastenMaster® TrapEase® Fascia Fastener

All images shown here reflect fascia under the decking as well as

using approved fascia screws.

NOTE: English measurements are shown. Convert to metric measurements if necessary.

Gap end-to-end

1/8" (>40°F)

3/16" (<40°F)

Abutting Gap

1/4" (>40°F)

1/2" (<40°F)

1" x 8"

Fascia

(2" x 8"

rim joist)

18"18"

1" x 12"

Fascia

(2" x 10"

rim joist)

Miter Cut

1/8" (>40°F)

3/16" (<40°F)