Crack survey
Widths are measured on the wall, not on the screen. Where the photograph cannot support a number, this report says so and says why.
Scale from a ruler in the photo
Choose a photograph first.A guess is fine, for example from a gauge card. It sizes the crack finder; it is not the answer.
Two points cannot see tilt. What you vouch for here is charged to the uncertainty.
Rough surface uses black-hat segmentation, which ignores texture better than the default on real concrete.
Working
queued
0%
Evidence
Hairline ships no crack-width limit from any design code. The review bands are an operator setting, and the default values are not taken from ACI 224R, EN 1992-1-1 or any other standard. Enter your own before using this to decide anything.