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03 calculations / build sequence

Plan a deck

Size the structure, footings, and walking surface in build order.

  1. 01Joist Span CalculatorLook up deck or floor joist spans with species, grade, size, spacing, load, service, treatment, and code edition shown.
  2. 02Concrete Footing CalculatorEstimate concrete and reinforcing steel for continuous or isolated rectangular footings.
  3. 03Deck Board CalculatorEstimate deck boards and lineal feet from deck width, board width, gap, length, and waste.

Build order is a planning aid. Site conditions, product instructions, permits, and local code decide the actual sequence.