From pier to board — count the whole deck before you build it.
Joist, beam, post lumber list
Download on the App StoreFeatures
- 01
A 3D frame you can turn
All five layers — boards, joists, beams, posts and piers — drawn in 3D. Drag to rotate, pinch to zoom. The legend explains each member in plain words, so you can read the structure without knowing the terms.
- 02
Board direction changes the count
Running boards along the depth or along the width changes how many you need. On a 3.6 x 5.2 m deck that is 70 boards versus 40. Both counts are shown before you choose.
- 03
Post length from deck height
What you actually decide is the finished height from the ground. The app subtracts pier, beam, joist and board thickness to get the post length, and tells you when a height is too low to build.
- 04
Plan drawing and real timber sizes
A dimensioned plan shows the actual spacing of joists and beams. The material table lists real section sizes, so you can see that "2x8" is 38 x 184 mm and buy the right thing.
- 05
AR or typed dimensions
Tap the corners of your yard in AR, or type the dimensions directly. Every feature works without AR support.
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