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SUSTAINABILITY


THROUGH THE CARBON BARRIER


CCP Building Products has successfully trialled the production of a UK first cement free carbon negative concrete block.


G


reenbloc Technology is the heartbeat of innovation at CCP, according to general manager Phil Rotheram.


“The continuous improvement mindset that drives our business presented an opportunity to challenge our innovation and technical teams on just how low we could take the embodied carbon within our product, or, revolutionary, completely remove it,” he says. Considering the pace at which the market is moving to enhance the built environment and improve the sustainability of British construction, constantly developing technologies like Greenbloc enables CCP to maximise their value to their customers. Ian St Hillaire, Technology & Innovation Director for SigmaRoc UK, CCPs parent group, explains that maintaining the relevance of ultra


low carbon concrete as the client’s premier choice of material for their projects is vital for ongoing business growth.


“With this in mind, we set about producing trial samples of concrete blocks at site production scale to push the boundaries of possible,” he says.


“This led to some exciting developments using Carbon8 carbon-negative aggregate. Combining the alternative aggregate with cement-free technology in the right proportions allows us to produce a concrete block that is not only ultra-low in carbon embodiment but is carbon negative”. The results are: Concrete blocks that are 110% less carbon than those produced using 100% Original Portland Cements (OPC), making them carbon negative.


Blocks exhibit the same aesthetics, quality and strength as those produced using 100% OPC. There is potential to increase the carbon reduction to 125%.


Rotheram adds: “The key differentiator is the quality of the product that we manufacture and service. This breakthrough enables us to lead our market in sustainability and help our customers win more projects. Working in partnership with our customers is a natural part of our everyday; product development on this scale only works to satisfy their needs, and their clients’ expectations further. Ian and his team will be full steam ahead to next upscale the plant trials and produce supporting EPDs to not only establish the product as fit for purpose but also to prove the carbon negative claims.” BMJ


August 2023 www.buildersmerchantsjournal.net


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