How Do You Know If Foundation Cracks Are Serious or Harmless?
Foundation cracks are common in many homes. Some cracks are harmless and happen due to normal settling. Other cracks are serious and can lead to major structural damage. The best way to know the difference is to check the crack size, direction, and location.
Small cracks that stay the same size are usually harmless. Large cracks that grow over time often mean a foundation problem.
What Causes Foundation Cracks?
Foundation cracks form when the soil under the home moves. Common causes include:
Soil shrinking during dry weather
Soil expanding after heavy rain
Poor drainage around the home
Plumbing leaks under the slab
Weak soil compaction
Heavy load pressure on the foundation
Some cracking is normal, but structural movement is not normal.
Other Warning Signs That a Crack Is Serious
A crack becomes more serious when it comes with other problems, such as:
Doors and windows that stick
Floors that slope or drop in one area
Gaps between walls and ceiling
Cracks in tile flooring
Separation between brick and siding
If cracks appear along with these issues, foundation settlement is likely.
What Should You Do If You Find a Foundation Crack?
Follow these steps:
Measure the crack width
Check if the crack is getting bigger
Look for matching cracks inside the home
Check doors, windows, and flooring
Call a foundation repair contractor for inspection
Do not patch the crack with sealant before inspection. Sealing does not fix structural settlement.
Signs of Serious Foundation Cracks
These cracks may indicate structural foundation movement:
Cracks wider than 1/4 inch
Cracks that keep getting longer or wider
Stair-step cracks in brick walls
Diagonal cracks near windows and doors
Horizontal cracks in foundation walls
Cracks with one side higher than the other
Cracks with water leaking through them
If you see these signs, you should schedule a professional foundation inspection.
Signs of Harmless Foundation Cracks
These cracks are usually not a serious issue:
Hairline cracks less than 1/8 inch wide
Small cracks in concrete that do not grow
Vertical cracks with no separation
Small shrinkage cracks in new concrete
Cracks with no other damage inside the home
These cracks often happen because concrete dries and settles over time
Trusted foundation repair experts serving Lubbock homeowners with reliable, long-lasting foundation repair solutions. From foundation cracks and settling to slab leveling and soil stabilization, we provide professional foundation repair services backed by experience, honesty, and local expertise.
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