Browse Forums General Discussion Re: Concrete dissolve 2Feb 14, 2024 9:30 pm Hydrochloric acid will dissolve concrete Foremost Building Expert in Australia,assisting with building problems/disputes, building stage inspections,pre-contract review advice for peace of mind 200 blogs http://www.buildingexpert.net.au/blog Re: Concrete dissolve 4Feb 15, 2024 8:41 am No, it does not react with plastic Foremost Building Expert in Australia,assisting with building problems/disputes, building stage inspections,pre-contract review advice for peace of mind 200 blogs http://www.buildingexpert.net.au/blog Re: Concrete dissolve 5Feb 16, 2024 4:53 am I tried this, does not work that well but helps a bit. All the aggregate doesn’t get dissolved, it only softens the surface. You still need to get most out mechanically. It is good to neutralise with bicarbonate soda after to protect whichever water body the stormwater ends up in too. Re: Concrete dissolve 6Feb 18, 2024 5:51 pm True it won't dissolve the aggregate but will dissolve cement, break bonds with the aggregate, and the loose aggregate and sand becomes mere rubbish in the pipe. I have successfully cleared concrete in sewer several times. Foremost Building Expert in Australia,assisting with building problems/disputes, building stage inspections,pre-contract review advice for peace of mind 200 blogs http://www.buildingexpert.net.au/blog Re: Concrete dissolve 7Feb 18, 2024 7:07 pm building-expert True it won't dissolve the aggregate but will dissolve cement, break bonds with the aggregate, and the loose aggregate and sand becomes mere rubbish in the pipe. I have successfully cleared concrete in sewer several times. Yep. Will give it a crack tomorrow, my goal is to use the acid to break the bond and then flush it all out to the end about 40m. Yes, unless you are in a low intensity rainfall area or the area is protected from rain. Do you have access to NCC Part 2 or can you download it? I can email you a copy… 10 12843 The concreter will take and reuse. In my case I bought structural LVLs and scraped them back and used them as joists. 1 5381 |