Wall Cracks
Wall cracks are often caused by poor construction or foundation failure. Understanding the types of wall cracks can help you understand how serious your foundation issues might be. Hairline cracks: If you have a newly constructed house, hairline cracks are common within a few years of construction. You can repair these cracks by using fillers and applying a layer of paint over them. The size of these cracks is less than 1 millimeter, so they are not serious and may appear when your foundation starts to dry and settle, which is usually not a matter of concern.
- Horizontal cracks: If you observe horizontal cracks anywhere around your walls or basement area, there may be hydrostatic pressure causing the soil to shift. If these cracks are not treated properly, they will pose a threat to your structure. With professional assistance, these cracks should be treated and the underlying structural issues addressed.
- Vertical cracks: Vertical cracks are less serious than horizontal cracks and will not compromise your home’s structural integrity as they emerge. However, if these cracks get wider, 5-15 mm or more, then they could be a result of foundation problems.
- Diagonal cracks: While vertical cracks form due to temperature fluctuations, diagonal cracks are longer and go up against the wall diagonally at a 30-degree angle, indicating potential structural movement and damage.
- Stair-step cracks: As the name suggests, these cracks resemble the shape of a staircase and usually form in brick walls and masonry. These cracks are common in brick foundations, Windows, and Doors that Don’t Shut Properly and are formed due to settling foundations or even damage. Instead of ignoring these cracks, hire a professional to complete an inspection. Cracks above doors and window frames: If you find that your doors and windows are not closing easily, you may have foundation damage. Shifting door or window frames not only causes cracks, creating drafts but indicating that your foundation is moving.






