Roofing, Framing, Stair & Decking Calculators 

For roof & framing master carpenters, contractors and builders.

  • Accurate, reliable and easy to use on site.

  • No complex steps to remember.

  • No need to remember in which order to enter data!

  • Developed by carpenters in Australia. 

  • Used around the world in over 15 countries (currently in English only).

  • US/Imperial or Metric Measurements.

  • Reduce mistakes, save time and money.

  • Requires IOS12.4 or later -  for iPhones & iPads (including X and iPad Pro12.9 Pro)