03/19/2024
Cracks in houses can be concerning, but not all cracks are cause for major worry. Here are some guidelines on when you should be more concerned about cracks in your home:
Small Hairline Cracks
- Thin hairline cracks in drywall or plaster are very common and usually nothing to worry about, especially in homes that have settled over many years. These are typically due to normal expansion/contraction of materials.
Larger Cracks
- Cracks wider than 1/4 inch can indicate more serious structural issues, especially if they are getting wider over time or run along long lengths of walls.
- Cracks along door frames or window frames are troubling as they suggest the home is shifting/settling unevenly.
- Stair-step cracks in brick or masonry walls can be a sign of differential settling between floors.
Signs of Ongoing Movement
- Any crack that is widening or showing signs of ongoing movement/shifting is concerning and should be evaluated by a structural engineer.
- Cracks that seem to "open and close" with humidity/temperature changes may indicate soil movement affecting the foundation.
Location Matters
- Vertical cracks in foundations, slabs or supporting beams may indicate serious structural stress.
- Cracks radiating from windows, doors or corners can suggest structural deterioration in those areas.
If you notice large or worsening cracks, it's best to have them inspected by a structural professional, especially if accompanied by sticking doors/windows, sloped floors or other signs of possible foundation issues. Small, stable hairline cracks are usually just cosmetic.