Approved Document A (structure)

Calculators that use it

• Brick and block calculator

  Example: Order: 623 units

• Joist calculator

  Example: You need 11 joists at 3.80 m

• Roof pitch and rafter length calculator

  Example: Pitch 35.0°, rafter length 4.03 m

• Wall tie calculator

  Example: Order: 55 wall ties