The reason of cracking wall in the houses is from foundation movement. You might also noticed these wall cracks appear randomly or may be you have seen those cracks through a structural inspection of your building. Cracking can be vertical, horizontal, cogged, stepped or a combination. In Sydney where there is reactive foundation of soils occur, normally you can find the crack walls.
Cracking can be found in solid brick, brick buildings and timber buildings, which are also affected by footing failure or differential foundation movement. Applying correct procedure and hiring experience structural engineer to inspect first, or a building consultant helps to prevent from cracking. Foundation movement normally results in stepped cracking from the corners of windows and doors. Such cracks are normally widest at the top.You should also take an expert advice from geotechnical engineering department, soil mechanics and Australian construction engineers who works with with latest innovative technology and also can conduct building inspection very closely.
Common causes for defects are:
- Poor footing and foundation construction
- Different types of soil move which fails to support the structure
