2025 UK Decking Installation Guide

TREX DECKING INSTALLATION REQUIREMENTS AND EXAMPLES/ CONTINUED

D. Frame Edging Installation

>5 ˚ C=6 mm <5 ˚ C=13 mm (Distance between decking and solid wall)

Gap 5 mm

>5 ˚ C=3 mm <5 ˚ C=5 mm

EE

250

400

400

EE

>5 ˚ C=3 mm <5 ˚ C=5 mm

>5 ˚ C=6 mm <5 ˚ C=13 mm

5

140

140

<15

<15

Ensure framing is properly attached

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