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Material Sheet
Concrete Block

Aerated Concrete Block

What is it used for

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Residential Construction

Ideal for building walls, partitions, and floors due to their lightweight nature and insulating properties, making homes energy-efficient and comfortable.

Commercial Construction

Used in constructing commercial buildings, providing excellent thermal insulation and reducing the need for additional heating and cooling systems.

Industrial Construction

Suitable for building industrial facilities where thermal efficiency and sound insulation are important.

Brick Wall


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Length: 600 mm

Width: 200 mm

Height: 100 mm

Volume: 0.012 m³

Weight: Approximately 5-8 kg

What it’s Made From

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The primary binding material, providing strength and durability to the block.


Used to enhance the block's strength and stability.


Fine aggregates that provide bulk and structural integrity.


Essential for the hydration process, allowing the cement and lime to bind the sand.

Aluminium Powder

Reacts with lime to form tiny air bubbles, giving the block its lightweight and insulating properties.


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High-Density AAC Block

Description: Denser and stronger, providing enhanced load-bearing capacity.

Applications: Suitable for load-bearing walls and structural elements.

Low-Density AAC Block

Description: Lighter and more insulating, offering superior thermal properties.

Applications: Ideal for non-load-bearing walls and partitions where insulation is key.

Fire-Resistant AAC Block

Description: Enhanced fire resistance, providing additional safety in construction.

Applications: Used in fire-rated walls and partitions to improve building safety.


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Tools Required

Trowel | Spirit level | Tape measure | Rubber mallet | Hand saw

Materials Required

Aerated concrete blocks | Thin-bed mortar | Water | Reinforcement mesh (if needed)

Step-by-Step Guide:

  1. Preparation: Clear the site and lay out the foundation lines.

  2. Mix Mortar: Use a thin-bed mortar mix designed for AAC blocks.

  3. Lay First Course: Start with a mortar bed, place the first row of blocks, and check alignment.

  4. Cut to Size: Use a hand saw to cut blocks to the required size.

  5. Build Up: Continue laying blocks with thin-bed mortar, ensuring each layer is level.

  6. Reinforcement: Add reinforcement mesh if required for additional strength.

  7. Final Checks: Ensure all blocks are properly aligned and joints are filled with mortar.

Technical Specification

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Compressive Strength: 2.5-4.0 MPa

Water Absorption: < 35%

Thermal Conductivity: 0.11-0.16 W/mK

Density: 400-700 kg/m³


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BS EN 771-4: British Standard for Autoclaved Aerated Concrete masonry units.

ISO 9001: Quality management systems ensuring consistent product quality.

Purchasing Quantities

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Single Units

Perfect for small projects, repairs, or when only a few blocks are needed.


Typically sold in bulk, with each pallet containing around 50 to 100 blocks. This option is suitable for medium to large construction projects.


Smaller quantities than pallets, often sold in bundles of 10, 20, or 30 blocks, suitable for minor projects or additions.

Environmental Impact

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Sustainability Considerations

Production involves lower energy consumption compared to traditional concrete blocks. AAC blocks are recyclable and reduce the overall environmental footprint of construction projects.

Eco-friendly Alternatives

Using recycled materials or fly ash in the production process further enhances the environmental benefits of aerated concrete blocks.

Waste Reduction

Precise planning and ordering minimize waste. Surplus blocks can be crushed and recycled into new blocks.

Energy Efficiency

High thermal insulation properties significantly reduce heating and cooling costs, contributing to overall energy savings in buildings.



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