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Material Sheet

Engineering Brick

What is it used for

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Residential Construction: Used in foundations and retaining walls due to high compressive strength and low water absorption.

Commercial Construction: Utilized for structural walls and load-bearing columns, offering durability and chemical resistance.

Infrastructure Projects: Ideal for tunnels, bridges, and sewers with high frost resistance and low water absorption.

Brick Wall


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Length: 215 mm

Width: 102.5 mm

Height: 65 mm

Volume: 0.0016128125 m³

Weight: Approximately 3.0 kg (varies slightly by manufacturer)

What it’s Made From

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Clay: The primary material, providing strength and durability after firing at high temperatures.

Water: Used for molding and shaping the bricks.

Sand: Helps to prevent bricks from sticking to molds and adds to the texture.

Additives: Includes materials like iron oxide and barium to enhance strength, color, and water resistance.


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Class A Engineering Brick

Description: Highest compressive strength and lowest water absorption.

Applications: Ideal for heavy load-bearing and external applications in harsh conditions.

Class B Engineering Brick

Description: Slightly lower strength and higher water absorption than Class A.

Applications: Suitable for general load-bearing applications and internal structures.

Blue Engineering Brick

Description: Known for its high strength and distinctive dark blue color.

Applications: Used in foundations, below-ground construction, and decorative features.


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Tools Required:

Trowel | Spirit level | Brick hammer | Tape measure | Brick jointer

Materials Required:

Engineering bricks | Mortar mix | Water

Step-by-Step Guide:

  1. Preparation: Clear the area and prepare a solid foundation.

  2. Mix Mortar: Follow manufacturer’s instructions for mixing mortar.

  3. Lay Bricks: Start with a mortar bed, place bricks, and check alignment.

  4. Build Up: Continue laying bricks with mortar in between, ensuring each layer is level.

  5. Check Strength: Ensure proper curing time for the bricks to achieve maximum strength.

  6. Complete: Fill any gaps with mortar, smooth joints, and clean off excess mortar.

Technical Specification

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Compressive Strength: Typically between 70-100 MPa.

Water Absorption: Less than 4.5%.

Thermal Conductivity: Approximately 0.6 W/mK.

Frost Resistance: High resistance to frost and chemical attack.


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British Standard (BS 3921): Ensures quality and suitability for construction.

ISO 9001: Certification for quality management systems, ensuring consistent quality in production.

Purchasing Quantities

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Single Units Ideal for small projects, repairs, or when only a few bricks are needed.

Bundles Smaller quantities than pallets, often sold in bundles of 10, 20, or 50 bricks, suitable for minor projects or additions.

Pallets Typically sold in bulk, with each pallet containing around 400 to 500 bricks. This option is suitable for medium to large construction projects.

Environmental Impact

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Sustainability: Made from natural clay, but high-temperature firing is energy-intensive.

Alternative Options: Fly ash bricks or concrete blocks can have a lower environmental impact.

Similar Materials

Common Brick
Common Brick


Fire Brick
Fire Brick




Facing Brick
Facing Brick


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