How can you tell if a crack is structural?
As the name suggests, structural cracks occur because of poor construction sites, overloading or poor soil bearing….Telltale signs of structural cracks in your foundation are:
- Stair-step cracks.
- Cracks on foundation slabs or beams.
- Vertical cracks that are wide at the bottom or top.
- Cracks measuring 1/8″ in width.
What cracks should I worry about?
Cracks in your house can vary in length, width and direction. Typically, larger cracks (those bigger than 15mm in width) are a cause for concern and should be inspected by a structural engineer. Subsidence cracks usually appear quite suddenly, rather than slowly over time.
What are the causes of cracks in walls?
Shrinkage in blocks or poor quality of blocks may also cause a crack in a wall. Use of higher grade of cement to make mortar. Use of rich cement mortar i.e. the cement content is higher than specified in the design mix. Use of very fine sand to make mortar i.e. higher silt content or use of sand which is not graded properly.
Do AAC blocks crack after installing?
AAC Blocks are known to crack after installation, which can be avoided by reducing the strength of the mortar and ensuring the blocks are thy during and after installation. They need to be handled more carefully than clay bricks to avoid breakage.
How to fix furniture in AAC blocks?
If you need to fix furniture in the AAC Blocks wall, you need to use a drill bit and a raw plug. You can’t just put a nail. AAC Blocks are known to crack after installation, which can be avoided by reducing the strength of the mortar and ensuring the blocks are thy during and after installation.
What is the difference between clay brick and AAC blocks?
AAC blocks are well known for cracks after installation, which can be overcome by reducing the mortar strength. AAC blocks have brittle nature; therefore, they require more care than clay brick while handling and transporting.