The Deck Professor

Lessons / Lateral bracing

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Brace the corner posts

Push the deck both ways, then brace it so neither push moves it
Knee brace
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Braces on one face only, so the deck still racks the other way.

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The rule this lesson teaches

Diagonal braces from the corner posts into the frame are usually adequate below 3.6 m (11 ft 9 11/16 in).

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