Browse Forums Paving & Concreting Re: Brake and Parts Cleaner - Exposed Aggregate 3Apr 07, 2023 12:03 am ![]() I'd pressure wash the whole thing first before jumping to conclusions Cheers, I'll give it a go this weekend! 2 19431 This has nothing to do with retardant, seems like an improper acid wash or possibly moisture build up during the sealing process. Very hard to determine through photos though. 3 19475 Hi, Sorry to hear you had a rough experience with your concreter. Can I start off by asking if you have had your concrete acid washed and seal? This is usually… 1 1497 |