AAC Blocks
Magicrete AAC blocks represent a new era in construction materials, offering unmatched strength, lightweight design, and eco-friendliness. Manufactured using fly ash (70%), cement, lime, and aeration agents, our autoclaved aerated concrete (AAC) blocks adhere to IS 2185 Part-3 standards, ensuring top-notch quality. These blocks are an excellent substitute for clay bricks and concrete blocks, making them a green building product that reduces carbon footprint.
Constructed from recycled materials with zero wastage, Magicrete AAC Blocks accelerate construction by up to four times compared to clay bricks due to their size, dimensional accuracy, and easy workability. Magicrete also offers a variety of AAC block sizes to meet all your walling needs, and our AAC block prices are more economical than traditional red clay bricks, providing better value with faster construction and reduced material usage.
With unmatched properties including being super lightweight, non-combustible, and offering exceptional thermal and acoustic insulation, Magicrete autoclaved aerated concrete AAC) Blocks ensure a safe, durable, and comfortable living environment. Say goodbye to termites, rodents, pests, and fungal growth, as our blocks feature a solid construction that eliminates cavities.
Experience guaranteed savings with Magicrete AAC Blocks, reducing building foundation load by up to 28% and power consumption by 30%. Enjoy significant savings on steel and cement, with 15% and 12% reductions respectively.
Features
Lightweight
Boasts an exceptional lightweight nature, weighing only 1/3rd of red bricks. It reduces the overall structural load, resulting in cost savings of up to 15%.
Superior Strength
Offers a remarkable strength of 4N/mm2, surpassing the strength of red clay bricks.
Thermal Insulation
Boast industry's highest thermal rating of 0.16 W/(m⋅K), AAC blocks ensure 30% lower HVAC expenses, reducing heat transfer and improving indoor temperatures.
Earthquake Resistant
Lightweight AAC Blocks exhibit remarkable earthquake resistance, preferred in seismic zones, and proven to withstand Category 5 wind loads.
Fire Resistant
Its unique cellular structure provides unbeatable resistance against flames, with a best-in-class fire rating of more than 4 hours.
Sound Resistant
Closed air pockets in AAC blocks yield an STC rating of 44, offering superior sound insulation for virtually soundproof interiors.
Technical Specification
| PARAMETERS | SPECIFICATIONS |
|---|---|
| Density | 550-650 kg/m3 (Oven Dry) |
| Compressive Strength | 4 N/mm2 |
| Modulus of Elasticity | 2040 N/mm2 |
| Coefficient of Thermal Expansion | 8.1 x 10 -6 K -1 |
| Water Absorption | 8% (at equilibrium) |
| Thermal Conductivity | ~0.16 W/m2K |
| Drying Shrinkage | 0.04% |
| Fire Resistance | 4 Hrs. (150mm wall) |
| STC Rating | 43db (100mm wall) |
AAC Blocks Calculator
Walling Technology Comparison
| Parameters | AAC Blocks | Concrete Block | Red Clay Brick |
|---|---|---|---|
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|
|
Material Composition |
Fly Ash, Gypsum, Lime, Cement, Aluminium Powder |
Cement + Sand + Gravel |
Top Soil |
|
Eligible For Green Points Under GRIHA/IGBC |
Yes |
Yes |
No |
|
Fire Rating (150 mm) |
4 Hours |
3 Hours |
2 Hours |
|
Water Absorption |
Low |
Average |
High |
|
Pest and Termite |
None |
None |
High |
|
Thermal Conductivity |
0.16 W/m2K |
2 W/m2K |
0.81 W/m2K |
|
Earth Quake Resistance |
Highest in category |
Low |
Low |
|
Speed of Installation (1 Mason + 2 Helpers) |
35 m2/day |
18 m2/day |
10 m2/day |
|
Dry Density |
550-650 Kg/m3 |
2400-2500 Kg/m3 |
1800-2000 Kg/m3 |
|
Energy Saving |
High |
Low |
Low |
|
Sound Reduction Index (100 mm) |
43 dB |
41 dB |
40 dB |
Knowledge Base
Project Gallery
FAQs
Related Products
Related Blogs
Build Smarter, Faster, Greener with Magicrete AAC Blocks
Magicrete AAC Blocks: High-Strength, Lightweight Masonry
Magicrete AAC (Autoclaved Aerated Concrete) Blocks are precision-engineered masonry units manufactured for modern RCC-framed and steel structures. By replacing traditional, heavy clay bricks with our IS 2185 compliant AAC blocks, developers can drastically reduce structural dead loads, accelerate construction speed, and meet stringent green building (LEED/IGBC) thermal criteria—directly improving the project's bottom line.
The Financial Impact on Your BOQ (Bill of Quantities)
While the technical specifications outline the strength of the block, the true value of Magicrete AAC lies in its structural economics. Switching to our lightweight masonry directly optimizes your structural costs:
- Structural Steel & Concrete Optimization: With a dry density of just 550-650 kg/m³ (approx. 3x lighter than red bricks), the dead load on the building's framework drops significantly. This allows structural engineers to safely reduce the tonnage of TMT steel rebar and concrete required in the foundation and columns.
- Carpet Area Maximization: Magicrete blocks feature perfectly flush, wire-cut faces with a dimensional tolerance of just ± 1.5mm. This allows you to finish interior walls with a thin 10-12mm plaster instead of the traditional 25mm, directly increasing the sellable carpet area of the floorplate.
- Mortar & Curing Savings: Because of their precision, these blocks are designed to be laid using a 3mm bed of Block Jointing Mortar. This cuts overall mortar consumption by up to 70% and entirely eliminates the need for on-site water curing.
Mandatory Site Execution Guidelines
To ensure the masonry achieves its maximum compressive and acoustic ratings on your site, construction crews must follow these specific execution protocols:
- Dry Application Only: AAC blocks must never be soaked or submerged in water before laying. Simply brush off the factory dust or lightly mist the mating surface to ensure a perfect chemical bond with the mortar.
- Precision Chasing: When cutting grooves for electrical conduits or plumbing, site teams must use an electrical wall chaser or circular saw. Using a hammer and chisel causes blunt-force impact that micro-fractures the cellular structure of the block.
- Structural Coping (Sill Bands): For walls exceeding 3 meters in height or 4 meters in length, a 4-inch reinforced concrete coping beam must be cast at the sill and lintel levels to distribute stress and prevent diagonal shear cracks.


