Should I Worry About Cracks In Walls?

When should I be worried about cracks in walls?

Typically, larger cracks (those bigger than 15mm in width) are a cause for concern and should be inspected by a structural engineer.

Very severe – any crack above 25mm in width indicates serious structural damage and will need major repair work, which could include underpinning and rebuilding..

Are wall cracks normal?

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.

Why are cracks appearing in my walls?

Here are a few common reasons: Contraction and expansion: The materials (paint, plaster) that make up your wall contract and expand because of fluctuations in humidity levels and temperature changes. … Low quality paint: Inferior quality paint results in poor paint adhesion on your wall, which leads to cracks over time.

Are vertical or horizontal cracks worse?

The simple answer is yes. Vertical cracks are usually the direct result of foundation settling, and these are the more common of foundation issues. Horizontal cracks are generally caused by soil pressure and are normally worse than vertical cracks.

Do cracks in walls mean foundation problems?

Vertical cracks running from top to bottom on two adjacent walls could mean the foundation’s footing is broken. To repair this kind of damage may require excavating down. If there’s only one vertical crack, then again it could have been caused by it shrinking of the concrete as the wall cured.

How do you fix horizontal cracks in walls?

Vacuum out loose material. Cover the crack with either mesh joint tape or joint compound and paper tape, followed by a thin layer of joint compound, extending about 2 inches on each side of the tape. Allow to dry. Apply a second coat of joint compound, feathered approximately 6 to 7 inches on either side of the crack.

Is it normal for old houses to have cracks?

Cracks are usually caused by settlement, but not necessarily. Expansion and contraction can cause them, as can inadequate framing members. Houses move with the climate: Heat and moisture will make them expand, cold and dryness will make them contract. This movement is normal and in most cases will not cause cracks.

How do you know if a wall crack is serious?

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.

How can you tell if a crack is structural?

The common characteristics structural cracks include:Continuous horizontal cracks along walls.Vertical cracks that are wider at the top or bottom.Stair-step cracks.Foundation wall cracks.Cracks in beams, foundation slabs.Angled cracks that form in the corners of walls with a horizontal crack in the center.More items…•

What cracks are bad in a house?

large cracks (larger than 2mm in width); cracks that run diagonally across the wall; cracks on the interior finish that are in the same vicinity as cracks on the exterior of the house.

Are vertical cracks in walls bad?

Though vertical cracks in your drywall are less concerning, don’t assume that any cracks in your walls are safe. Not all cracks in your drywall or sheetrock indicate foundation damage, but calling a Fort Worth, TX foundation repair expert for a free assessment is the best way to ensure your foundation is healthy.

What do horizontal cracks in walls mean?

Horizontal cracks also are a problem, since they mean the wall is starting to fail. Unfortunately, there are several problems that can cause this type of cracking. Horizontal cracks occur when something such as dirt or wind is pushing against the wall, but it also can be caused by poor soil below the foundation.