There s no exact method for determining how serious a wall crack is without hiring an expert to examine the wall but you might be able to.
Settlement cracks in concrete walls.
Settlement cracks in outer cavity wall of property.
Concrete walls containing horizontal cracks are serious issues.
How to determine if the cracks in walls are serious.
Stair step cracks may also signify heaving.
If a vertical crack widens at the top or bottom the wall is either settling or gradually heaving which may present serious issues.
A settlement crack may also appear as a random crack above areas where the soil of the subgrade was uneven after the concrete was poured.
Vertical cracks in walls built with concrete blocks or sand lime bricks.
In the majority of cases small hairline cracks in walls ceilings and plaster can be a sign of simple expansion and contraction movement within your home due to humidity temperature and the way that 100 different materials in your home react to this all expanding and.
There can be a huge number of different reasons for cracks in the home.
The cracks may be straight or toothed.
Cracks in external and internal walls of load bearing structures.
Settlement cracks are usually more extensive at the top of the crack than the bottom as the foundation bends over a single point allowing differential settlement.