Tarmac Building Products offer a complete range of conrete blocks including both lightweight aircrete blocks (aerated concrete blocks) and dense aggregate blocks. As a UK market leader, you can expect our concrete blocks to meet the most demanding of building requirements. We have been awarded a BES 6001 rating of VERY GOOD across our entire range of aircrete blocks and dense aggregate concrete blocks. This rating proves that our products have been responsibly sourced and means our customers benefit from additional credits under schemes such as BREEAM and the Code for Sustainable Homes.