Every number here is a working estimate to check with your building authority. Whoever prints this page takes responsibility for what is in it.
Guess first
900 mm (35 7/16 in) or 1.07 m (42 in)
Show a hint
A 36 in guard on a deck 6 ft up.
Every number here is a working estimate. Check it with your building authority.Turn JavaScript on to work the lesson. The drawing shows how it starts.
The rule this lesson teaches
A house guard is at least 900 mm (35 7/16 in) until the surface reaches 1.8 m (5 ft 10 13/16 in), then 1.07 m (42 in) all the way round.