Heidelberg Materials UK’s Post

Transcript

So we've been talking about GBS, which is really important to our carbon road map and how we make the lowest carbon concrete. So GPS is a byproduct of the steel making industry. You get a granular off the bottom of a blast furnace that's rapidly water quenched. We then grind it up to make A7 touches powder that goes mixed with cement to make concrete. So GS in the UK is a real talking point at the moment. The blast furnaces at Port Talbot have both been shut, which was a source of our UK domestic granular. So now we're having to import from further afield from countries such as Japan. This clearly has carbon impact. Makes people nervous around the carbon in their concrete. We've been here today to tell them that it is still the best way to make low carbon concrete. GPS offers a couple of benefits. Firstly you get sulfate resistance in underground applications with concrete, but also you get chloride resistance in examples as sea defences. It also, as we've discussed, reduces carbon in concrete. The GPS myths at the moment are that it's not available, it is available, we have long term supply over the next 10 years and we believe it's the way to make the lowest carbon concrete.