DeckMath
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Diagonal 45° · all 20 popular sizes

Diagonal 45° Deck Pattern

Boards run at a 45° angle to the joists — the most popular upgrade from straight. Adds dimension without adding herringbone-tier cost.

1.12× labor vs straight14% waste12″ O.C. (mandatory for composite, recommended for wood)
Best for

Mid-size decks (250-500 sqft), composite installs, designs that want a modern look without going to herringbone or chevron complexity.

Watch-outs

Adds ~14% waste vs straight; 12″ O.C. requires ~20% more joists + hangers. Total cost premium typically 18-24% vs straight.

Pick your diagonal 45° deck size

See diagonal 45° rendered in 3D

The Pattern Visualizer animation renders all 5 patterns live — toggle between them, rotate, compare with your spouse or contractor before committing.