SPANNING REQUIREMENTS For approved AU spans, refer to https://au.trex.com/trex-owners/downloads/ and view detailed span tables provided by SOTO Engineering located under Evaluation Service Reports. Special Patterns W hen planning a unique pattern, you will need to adjust the framing to support the surface pattern. Many decks are designed to take advantage of angles, as shown below.
Herringbone Pattern
Picture Frame Pattern
Breaker Board Single Joist
Breaker Board Double Joist
Adjust Joist Spanning to Accommodate Angled Decking Patterns
30°
90°
60°
45°
Perpendicular to joists.
At a 60° angle, maximum joist spanning is 50mm less than perpendicular.
At a 45° angle, maximum joist spanning is 100mm less than perpendicular.
At a 30° angle, maximum joist spanning is 1/2 of the distance listed than perpendicular.
8
Made with FlippingBook Ebook Creator