Deterioration and structural foundation damage is probably not a concern. Of course, large brick cracks in the exterior of your house (or in your concrete slab foundation) can indicate that you need house foundation repair. … Vertical fractures such as these are often visible in the grout between bricks.
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Frequently Asked Questions
What do cracks on outside of house mean?
Horizontal cracks in the wall identified during a building inspection are commonly caused by unbalanced soil pressure on concrete block foundation walls. Other horizontal cracks in walls may be caused by the pressure of a failing wall or indicative of load bearing problems and are a safety concern.
When should I be concerned about house cracks?
Jagged or diagonal cracks indicate that the foundation may have shifted or sunk, or another problem has occurred, such as the deterioration and collapse of supporting wood members due to termite damage. Likewise, cracks wider than one-quarter inch indicate a potential problem with the home's structure.
Is it normal for houses to have cracks?
Problematic wall cracks will typically start at windows, doorways or house corners. Generally, smaller hairline cracks are not cause for concern. These are usually the result of seasonal expansion and contraction of clay soils beneath your house over time, and can be easily patched and re-painted.
Do cracks mean foundation problems?
Fine, small cracks in the exterior walls or on the steps are usually nothing to worry about. Exterior cracks that are large and have a zig-zag pattern may be a sign that there's something wrong with the foundation. Brick cracks or bricks that are protruding from the wall should be checked.
What causes cracks in the outside of a house?
Outside corner foundation cracks. Most houses with brick veneer have triangular shaped cracks on both sides of at least one corner of the foundation wall – occasionally the concrete corner will pop off. This is caused when the brick veneer expands and the concrete foundation below contracts, which is normal.
What does it mean when there is a crack in the wall?
Nail popping or visible nails or screws appearing in the walls are also a sign that all is not well. Cracks in places like the ceiling, where the ceiling meets the walls, or even in the slab are also a cause for concern. An uneven floor should ring alarm bells.
What causes horizontal cracks in a concrete wall?
While fine hairline horizontal cracks in plaster may be due simply to shrinkage in the plaster, other horizontal cracks are more serious. Horizontal cracks in the wall identified during a building inspection are commonly caused by unbalanced soil pressure on concrete block foundation walls.