Browse Forums Paving & Concreting Re: Cleaning stained concrete. HELP please~!!! 21Jun 23, 2009 9:52 pm Diamond, Cool! Sounds like you have far more experience in this field than do I! The thing is, when there are those that have all this experience, equipment and expertise, it makes me cringe a bit, when some folk look for DIY solutions that in most cases do more harm than good. Yes, there certainly is a place for chemicals. And it is VITALLY important that those using the chemicals understand the nature of the chemicals, and how to use them effectively and safely. TM, if you are still needing your concrete cleaned in Brisbane, I suggest you give Craig from Safeclean a call. He is a member of H1 under "Grout Perfect". Ash. No, I even have sections of narrowness where the tiles won't slide up any further. When I manage some spare time, I might play around with the first DIY part of my… 7 5022 i had the my concreters concrete right up to the fence. I have pits all along my path, so the water tends to drain away from the house and into the pits. There's only one… 7 12968 Yep, efflorescence as mentioned above. You could look to clean it with a "acid" based cleaner and then seal with a penetrating sealer. This may not stop it entirely but… 3 4515 |