eandg Posted June 30, 2019 Share Posted June 30, 2019 Are there any more sustainable types of concrete mixes available and, if so, what sort of premium do they come in at? Link to comment Share on other sites More sharing options...
SteamyTea Posted June 30, 2019 Share Posted June 30, 2019 (edited) There are some cements that are supposed to be carbon neutral. https://phys.org/news/2015-09-technique-cement-carbon-neutral.html Spoke to this guy a few years back, was very helpful. Not sure if he is still at Sheffield. Dr Ewan A Byars Centre for Cement and Concrete University of Sheffield e.byars@sheffield.ac.uk Edited June 30, 2019 by SteamyTea 1 Link to comment Share on other sites More sharing options...
ToughButterCup Posted June 30, 2019 Share Posted June 30, 2019 35 minutes ago, eandg said: Are there any more sustainable types of concrete mixes available and, if so, what sort of premium do they come in at? And, can you source them locally ... I mentioned sustainable concrete once in the pub : the laughter only died down after I had bought a round Link to comment Share on other sites More sharing options...
eandg Posted June 30, 2019 Author Share Posted June 30, 2019 Just now, AnonymousBosch said: And, can you source them locally ... I mentioned sustainable concrete once in the pub : the laughter only died down after I had bought a round Google found me a place in Wrexham... not sure if they deliver to Glasgow! Link to comment Share on other sites More sharing options...
ProDave Posted June 30, 2019 Share Posted June 30, 2019 What about Hempcrete, been featured on Grand Designs. Link to comment Share on other sites More sharing options...
SteamyTea Posted June 30, 2019 Share Posted June 30, 2019 It is not the filler, it is the cement that is the problem. How much can you reduce the usage to. That will probably give a greater saving. It go for lime. Mix and pour. Wait a year. Repeat process. Link to comment Share on other sites More sharing options...
Archer Posted July 1, 2019 Share Posted July 1, 2019 A few companies that I've heard of but not used. Well, except for building a shed base from Hanson Regen mixed cement but that's not really comparable. I've seen up to 50% GGBS specified on larger projects but with a structural engineers input. According to Hanson you can substitute as much as 70%. They have a UK technical line. Sorry, can't help with costs. http://cenin.co.uk/ https://dbgholdings.com/cemfree/ https://www.hanson.co.uk/en/products/regen-ggbs https://www.wagner.com.au/main/what-we-do/earth-friendly-concrete/efc-home 1 Link to comment Share on other sites More sharing options...
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