How To Avoid Wall Cracks. Sometimes, though, cracks in walls signify a larger problem. Cracking in your walls could be due to settlement in a particular area, or it could be due to soil erosion under the foundation.
Use two separate sticks to avoid contamination.
Most vertical cracks in a foundation wall do not seriously damage the structure of your home. Learn how to check your foundation for cracks and spot issues quickly. If you see cracks in your external walls then you may well be worried that the structural integrity of your home is at risk. Just remember them and you'll be fine.