Concrete usually contains many fine ‘hair' cracks and these are not normally serious enough to warrant any action. The acceptable width of larger cracks depends on the structure, the crack size and the environment.
This bulletin explains how minor non-structural crack repairs may be carried out by builders and identifies those repairs that should be carried out by specialist operators.
The bulletin covers:
Publication date: June 2011 Keywords: concrete, driveway, floor, maintenance, sealant