Available Strength:
3.5mpa Ash OR 7mpa Concrete

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A Hollow Block Brick (also known as a hollow concrete block) is a type of masonry unit made from concrete or a mixture of cement, sand, aggregates, and water, with hollow spaces or voids inside the block. These voids reduce the overall weight of the block, making it easier to handle and transport, while also improving its insulation properties (thermal and acoustic). Hollow blocks are commonly used in construction for building walls, partitions, and foundations due to their strength, durability, and efficiency in material use.

The design typically includes multiple voids or holes, which also reduce the amount of raw material required and provide space for reinforcement bars in structural applications. Hollow blocks come in various sizes and are commonly used in both residential and commercial construction projects.

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Key Characteristics:

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• Material Composition: Hollow blocks are typically made from a mixture of cement, sand, aggregates, and water. In some cases, other materials such as fly ash or crushed stone may be added to improve the block's properties.

• Hollow Spaces: The defining characteristic of a hollow block is its internal voids. These voids reduce the block's density, making it lighter than solid concrete blocks, while maintaining sufficient strength for most construction needs.

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Uses:

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• Walls and Partitions: Hollow blocks are commonly used in the construction of walls, partitions, and foundations, especially in areas where weight reduction is essential.

• Thermal and Acoustic Insulation: The internal voids in hollow blocks provide better insulation compared to solid blocks, helping to keep buildings cooler in summer and warmer in winter, as well as reducing noise transmission.

• Cost-Effective: The reduction in material usage makes hollow blocks more affordable than solid concrete blocks.

• Sizes and Shapes: Hollow blocks are available in various sizes, and the shape of the voids may differ. Some blocks are rectangular, while others are square or customized to suit specific architectural needs.

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Advantages:

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• Lightweight: Easier to transport and handle due to their reduced weight.

• Energy-Efficient: The hollow structure provides better thermal insulation, reducing energy costs in buildings.

• Fire Resistance: Hollow blocks are fire-resistant, adding an extra layer of safety to buildings.

• Cost-Effective: Reduced material usage and ease of handling make hollow blocks a more economical option in construction.

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Recommended Uses:
- MB140 (6") ASH Blocks - 3.5mpa -

Boundary Walls not exceeding 1.8m height

- MB140 (6") Concrete Blocks - 7mpa -

Boundary Walls taller than 1.8m height, single storey and non load baring structures

- MB190 (8") Concrete Blocks - 7mpa -

Boundary Walls taller than 1.8m height, single storey and non load baring structures