What Wall Cracks Are Serious?

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..

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.

When should I be concerned about cracks in plaster?

Cracks in plaster and drywall If the cracks are jagged, are at 45-degree angles or look like a flight of stairs going up your wall, you probably need to get them checked out. … Most of the cracks you see in walls will likely be paper thin and anything less than a 1/8” is usually nothing to be concerned about.

Do drywall cracks mean foundation problems?

Yes, sheetrock cracks in walls are often an indication of foundation problems in houses. That’s because any kind of gaps in your sheetrock could mean that you have foundation damage.

Is it normal for plaster walls to crack?

A: Old lath and plaster walls are prone to cracking. Over time the plaster separates from the lath, creating structural cracks. Plaster is also prone to thinner spider-web cracks, which occur when the topcoat of the plaster degrades. It’s common to have both kinds of cracking — and both types can be repaired.

When should I be concerned about drywall cracks?

Call us right away if a crack is wide enough to fit a dime inside or if one end of the crack is noticeably wider than the other. Are the cracks near windows and doors? When the cracks you notice in your drywall and sheetrock are near the windows and doors, that’s another cause for concern.

Are horizontal cracks in Wall bad?

Horizontal cracks are much more of a concern than vertical cracks, especially in block foundation walls. Cracked foundation walls can be permanently repaired, without complete replacement, as long as inward movement is not excessive.

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 is the reason for cracks in walls?

Some common causes of wall cracks include: Humidity – Wood frames in most older homes expand and contract when the humidity rises and falls. This in turn puts stress on the plaster or drywall in front of it. The stress levels of your interior walls eventually lead to cracking.

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.

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.

What kind of wall cracks are bad?

Of all the foundation cracks, the stair-step cracks are the most dangerous. They normally run in a diagonal line and assail concrete blocks and brick foundations. Cracks start in a joint or at the end of the wall then taper down or climb up. Like all diagonal cracks, they’re caused by differential settlement.