Reason of cracks in Wall | Causes of cracks in building 

Cracks can occur due to various reasons chemical reactions in construction materials, foundation movements and settling of buildings, changes in temperature and climate, environmental stresses like the nearby movement of trains, earthquakes etc. Faulty and defective design, poor quality materials, incorrect methods of construction, weather, and loads of wear and tear can create cracks.
But are cracks a serious issue? Well, since they occur commonly you might think it’s not, but, that’s not right. In reality, if you ask this question to a professional even he might find it difficult to answer instantly. The reason is simple, some cracks are not serious and are easy to repair and some can be a sign of a serious defect, which may can result into danger of the building collapsing or demand expensive repair costs.
Hence, taking cracks seriously is important. In general, cracks appear in the wall’s bricks/block mortar plaster, columns -wall joints, beam-wall joints, slabs, beams, columns, foundations and in many other places of the building structure. And yes, inspecting cracks in a building is not a simple task, hence, take the help of a professional who can diagnose them well.
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This video is for educational purpose only. Copyright Disclaimer Under Section 107 of the Copyright Act 1976, allowance is made for "fair use" for purposes such as criticism, comment, news reporting, teaching, scholarship, and research. Fair use is a use permitted by copyright statute that might otherwise be infringing. Non-profit, educational or personal use tips the balance in favor of fair use.