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Perforated Class B Red Engineering Brick 65mm

Class A & B Engineering Bricks

At Armstrong Supplies, we offer our customers a range of engineering bricks designed for construction purposes. Our engineering bricks provide your build with great strength and endurance, withstanding heavy frost and moisture for a tough structure. Our range of Class A and Class B engineering bricks are essential for demanding construction projects like building foundations, retaining walls, DPC and tunnel systems.

Shop high-quality, superior-strength engineering bricks by Armstrong Supplies and benefit from highly competitive pricing and convenient delivery across the UK. For further help and support, reach out to us here.

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Our Range of High Quality, High Value Engineering Bricks

Our wide range of bricks provides unmatched durability, reliability, and resilience to any building project, making them a preferred choice for builders and engineers aiming for long-lasting and high-performing structures, all at a great price too. If your building is at a greater risk of water damage, you'll want to start here.

Class B Engineering Bricks

We stock Class B bricks designed for a variety of applications, from renowned suppliers such as Wienerberger, Ibstock, and Ketley Brick. Buy with confidence with our quality guarantee.

  • Compressive Strength: Greater than 75 N/mm²
  • Water Absorption: Less than 7%

Blue Engineering Bricks

Our range of blue bricks provides even greater strength and a lower water porosity than any red brick. The high compression strength makes a blue engineering brick perfect for a range of load-bearing applications.

Perforated Engineering Bricks

Perforated engineering bricks feature perforations or holes running through the bricks' height, improving brick-to-brick mechanical bonding for greater stability and strength. The perforations also decrease brick weight, improve strength and provide better insulation at a lower price too.

Red Engineering Bricks

Engineering red bricks are a solid, standard choice for a wide range of construction projects and brickwork applications. You'll find these widely used for their strength, durability and reliability. Available in perforated brick and solid brick options.

Plinth Bricks

Plinth bricks are not just decorative; they're integral to a building's structure, providing a stable step-back, offset at the base of a wall. Also used in structural detailing like window sills, splayed bases and corbelling.

Facing Bricks

Facing bricks, also known as face bricks, are a type of brick specifically designed for the external walls of a building, providing both an aesthetic finish and excellent strength and durability. Both our blue and red Class B bricks can be used as facing bricks. Shop our large range of facing bricks at Armstrong Cheshire, or contact us for further support.

How Many Engineering Bricks?

Take the stress out of building work calculations - use our engineering brick calculator to calculate the volume of bricks needed for your project. You'll be prompted to enter the height and length of the wall and the engineering brick size for an instant result. Order exactly what you need, and have us deliver your order so you can get straight to work.

High Quality, Low Price Engineering Bricks by Armstrong Supplies

When selecting the best building materials for your construction projects, Armstrong Cheshire stands out as the premier choice. Our bricks are renowned for their exceptional quality and long-lasting performance for a strong, resilient structure. With years of experience and expertise in the industry, our team of professionals are always ready to offer valuable insights and recommendations, making Armstrong Cheshire the trusted partner for all your construction projects. If you have any questions, feel free to ask our experts.

Frequently Asked Questions

Bricks are produced using a combination of clay, water, sand, calcium silicate, and shale, and are ideal for projects involving walls and curves based on an unusual framework. Compared to regular bricks which shouldn't be used below ground level, engineering bricks are a lot stronger and have a strong resistance to water, frost, and moisture, making them a popular choice for buildings that stand in wet and colder environments. Class B red engineering bricks are produced on a larger scale and commonly used on construction sites. Their high compressive strength shows rates of over 75N/mm2 (mm²), with water absorption ratings usually below 7%.

Key advantages:

  • High-compressive strength
  • Low water absorption
  • Durability and longevity
  • Resistance to frost and chemicals
  • High density
  • Uniform shape and size
  • Fire resistant

Class B Engineering Bricks are known for their strength, low water absorption, and durability, making them suitable for various construction applications. They play a structural role, rarely chosen for their aesthetic qualities, but can be used in paving, landscaping, drainage systems, boundary walls, joinery, and much more.

There are two types of engineering brick: Class A and Class B.

Class A - superior water resistance and compressive strength, available in a dark blue colour. Class A engineering bricks are often used in applications requiring high performance, such as load-bearing walls, paving, damp-proof courses, retaining walls, and building foundations.

Class B - red engineering bricks are manufactured in large quantities and are frequently utilised in construction projects. Highly resistant to water damage and frost.

Blue engineering bricks - provide less than 4.5% water absorption and up to 125/Nmm2 (mm²) of power.

Red engineering bricks - are often utilised in many construction projects. They typically have a compression strength exceeding 75N/mm² and a water absorption rate that remains under 7%.

Engineering brick prices vary depending on the volume you are looking to purchase. You can buy engineering bricks by single unit, starting at 66p or in bulk volumes of 504 at £347. Use our brick calculator to work out just how many bricks you need for your build. For further information on pricing, please contact us.

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