Question

For effective drainage the finished surface of flat roof should have a minimum slope of

Answer 1

I don't know the answer sorry

Answer 2

Answer: 1 : 24 or 4.2% or 2.4 degree

Explanation:For flat roof Slope varries from 1 : 24 (which means 4.2% or 2.385 degree) to 1 : 6 (which means 16.7% or 9.46 degree). Therefore min. slope is 1 : 24 or 4.2% or 2.4 degree.