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Decking Calculator

Deck boards, joists, posts and screws for a timber or composite deck

Deck

m
m

Boards and Frame

Check the joist size and span with the decking manufacturer, especially for composite boards and raised decks.

mm
mm
m
%

Display

Deck Boards

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Joists

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Screws

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Deck Area

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Rows of Boards

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Posts

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Board Layout

Breakdown

ItemQuantityHow it is worked out