What is AAC?

Autoclaved aerated concrete (AAC), also known as autoclaved cellular concrete, autoclaved lightweight concrete, Autoclaved Aerated Concrete (AAC) is a certified green building material and AAC blocks used for walls, floors, and roofs. And due to light weight material it seems excellent sound, thermal insulation, and like all cement-based materials, is strong and fire resistant.

Laxmi Blocks

Laxmi AAC Blocks Available in Size

Size - L x H x T (MM3) Volume (Cu.M) Piece / Cu.M Face Area
600 x 200 x 50 0.006 166.67 1.29
600 x 200 x 75 0.009 111.11 1.29
600 x 200 x 100 0.012 83.33 1.29
600 x 200 x 125 0.015 66.67 1.29
600 x 200 x 150 0.018 55.55 1.29
600 x 200 x 200 0.024 41.67 1.29
600 x 200 x 225 0.027 37.04 1.29
625 x 240 x 50 0.0075 133.33 1.61
625 x 240 x 75 0.01125 88.89 1.61
625 x 240 x 100 0.015 66.67 1.61
625 x 240 x 125 0.01875 53.33 1.61
625 x 240 x 150 0.0255 44.44 1.61
625 x 240 x 200 0.03 33.33 1.61
625 x 240 x 225 0.03375 29.63 1.61


Parameter Value
Density (Oven Dry) 550 -650 kg/m3
Compressive Strength >3 MPa
Shear Strength 0.6 Mpa
Modulus of Elasticity 2040 Mpa
Size Tolerance ± 1 mm
Water Absorption (at Equilibrium) 8%
Thermal Conductivity 0.16 W/m K
Thermal Resistance(R Value) 0.46 m K/W
Drying Shrinkage 0.04%
Fire Shrinkage 4 Hrs (for 200 mm wall)
Sound Reduction 37-42 DB

Benefits of Laxmi AAC Blocks to house holder


Environmentally friendly and non-toxic

From the manufacturing process to shipment, construction, and waste disposal is in ecological balance.

Good sound absorption-effective sound barrier

The natural air cushion formed in the high-pressure steam curing of AAC can absorb the most possible noise.

Ensures high standard of well-being

Reduces temperature differences and humidity fluctuations and so ensures a comfortable and healthy room atmosphere.

Excellent workability

It is easy to erect a solid masonry structure quickly and precisely. Only few tools and implements are necessary.

Outstanding thermal insulation

Keeps buildings cool in summer and warm in winter saving on heating and air-conditioning.

Light weight

Due to light weight of concrete are produce in easily handled.

Performs well in earthquakes

Thanks to its low weight and its plastic deformation properties the destructive force of earthquakes can be minimized.

AAC Blocks in Surat

Benefits of Laxmi AAC Blocks to builders


Comfortable for working

Laxmi blocks are very comfort for industrial, commercial and residential development. Due to light weight, easy cutting and drilling by better control.

Rapid construction

The product is ready on the same date to go in to the market, and can rice pace of development due to light weight and size over the conversional clay bricks.

Uniform shape

Every one cab be convenient to work with Laxmi blocks due to comfort shapes which will result in easy work.

Carpet area

Laxmi blocks having perfect size & shape can get single coat plaster to save 8 -12mm of space throughout the wall, wide carpet area.

Save materials

Bigger size means less number of joints that require less amount of concrete and by getting light weight not need to heavy steel.

Light weight

Due to light weight of concrete are produce in easily handled.



  • Reduction of transportations cost
  • Less requirements of materials
  • Less time consuming
  • Reduce over all wastage


AAC blocks in Gujarat

Social benefits of Laxmi AAC Blocks


Healthy environment

Developing of any building by the laxmi blocks obtain negligible wastage that will never effect to the environment.

Save fertilize land

Fly ash policy of the government also mandates that 20% of fly ash generated by a power plant and don’t require fertile clay.

Recycling fly ash positively impacts the environment

Fly ash reduces energy and water consumption, decreases the impact on our landfills, and cuts down on harmful emissions.

Easy transportation

It is easy to transport AAC blocks as it does not suffer from high transit breakage usually associated with clay bricks.

AAC Blocks