How do I stop my wall from cracking in the air?

How do I stop my wall from cracking in the air?

Cracks can be avoided by: adopting proper methods of placing & finishing mortars and concrete, sufficient curing; avoiding excess of dust and silt in sand; providing construction joints and expansion joints; proper compaction of soil below the foundation; avoiding vegetation growth especially close to the foundations; …

How do you repair a cracked AAC block wall?

Crack filler for AAC block walls and plasters weberwall crackbond is a single component, easy to use crack filling mortar , specially designed for filling cracks on AAC block walls and plasters. The high bond strength of the mortar reduces further development of cracks.

Can AAC wall panels be used as blockwork?

External AAC wall panels — which are not blockwork but are precast units — can provide loadbearing support in houses up to two storeys high. AAC panels and lintels contain integral steel reinforcement to ensure structural adequacy during installation and design life (see Construction systems).

What are AAC bricks?

AAC bricks are in high demand, owing to their high strength, load-bearing and thermal insulation properties. In the early 1920s, Dr Johan Axel Erikkson, along with Professor Henrik Kreuger, developed AAC blocks. After patenting the manufacturing process in 1924, AAC blocks were produced in full swing from 1929 in Sweden.

What type of footings do I need for a AAC block?

AAC block construction requires level footings designed for full or articulated masonry in accordance with AS 2870-2011, Residential slabs and footings.

How high can you build with AAC blockwork?

Although it is one-fifth the density of normal concrete it still has half the bearing strength, and loadbearing structures up to three storeys high can be safely erected with AAC blockwork. Increasingly, AAC is being used in Australia in its panel form as a cladding system rather than as a loadbearing wall.