What does AAC mean in construction?
Autoclaved aerated concrete (AAC) is made with fine aggregates, cement, and an expansion agent that causes the fresh mixture to rise like bread dough. In fact, this type of concrete contains 80 percent air. In the factory where it is made, the material is molded and cut into precisely dimensioned units.
Is AAC block good for residential building?
AAC has great warm protection and acoustic ingestion properties. AAC is fire and irritation safe, and is monetarily and ecologically better than the more customary basic building materials, for example, solid, wood, block and stone. AAC blocks are lightweight and offers ultimate workability, flexibility and durability.
What is AAC building blocks?
Autoclaved aerated concrete (AAC) is a lightweight, precast, foam concrete building material suitable for producing concrete masonry unit like blocks. Composed of quartz sand, calcined gypsum, lime, cement, water and aluminum powder, AAC products are cured under heat and pressure in an autoclave.
What is AAC wall system?
Nasahi autoclaved aerated concrete (AAC) are high quality panel systems for external walls, party walls, fences and flooring, providing excellent structural, thermal, fire, termite and mould resistance.
Is AAC blocks better than bricks?
The weight of AAC blocks is about 80% less than traditional red bricks and leads to a reduction in the use of cement and steel, thus, saving costs. Moreover, being environmentally friendly, AAC blocks ensure better durability and improved sound and heat insulation compared to bricks.
What causes cracks in AAC block walls?
Here are the reasons which may be the cause of cracks on your wall: 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.
Are AAC blocks waterproof?
The benefits of AAC blocks as an affordable and sustainable alternative to traditional building materials are being widely recognised in India….AAC block: Features.
| Colour | Greyish-white |
|---|---|
| Water absorption | About 10% of its weight |
| Sound insulation | 42 dB (approximately) |