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Blocks

Aggregate and aerated concrete blocks


Tarmac are the UK’s leading blocks supplier

Our range of aggregate, dense and lightweight blocks are used across UK house building to offer reliability, quicker build times, higher thermal performance and to comply with Part L Building Regulations. Specialist blocks BBX are designed to provide dual protection against blast and ballistic threat, uniquely achieving C15 blast resistance and BR7 ballistic resistance. The Range includes Durox, Toplite, Topcrete, Hemelite, Fastfloor and BBX.

With unique combinations of thermal, acoustic and structural performance benefits, we have the block solution to suit every project.

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U-value calculator



Calculate the thermal performance of varying wall configuration with our U-value calculator

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Aircrete and aggregate blocks

Durox Aircrete Blocks, Toplite Aircrete Blocks, Hemelite, Lightweight Aggregate Blocks, Topcrete Dense Aggregate Blocks, Leading supplier of blocks for house building and home improvements.

From new housing to urban retail developments. Tarmac has a complete range of market leading aggregate and aircrete blocks. Our national network of manufaturing sites delivers in excess of 10 million HME per annum.

Our range of aggregate, dense and lightweight blocks are used across UK house building to offer reliability, quicker building times, higher thermal performance and to comply with Part L Building Regulations.

Specialist blocks BBX are designed to proide dual protecton against blast and ballistic threat, uniquely achieving C15 blast resistance and BR7 ballistic resistance.

The range includes Durox, Toplite, Topcrete, Hemelite, Fastfloor - Beam and Block and BBX.

With unique combinations of thermal, acoustic and structural performance benefits, we have the block solution to suit every project.



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Our highly qualified technical team is always on hand to ensure that customers receive the very best guidance and advice through every step of the build programme. Whether it’s assessing energy efficiencies, calculating U-values, advice on minimising thermal bridging or simply selecting the right block for any project, our technical team are more than happy to help.

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