Browse Forums Paving & Concreting 1 Apr 23, 2012 3:05 pm We had a driveway and paths laid 12mths ago, when we called him back to seal a month later, he said would need cleaning with chemicals and machinery, he also said concrete doesn't need sealing. Anyhow, the concrete is so dusty, can see tyre tracks on driveway and where we have swept and hosed off the paths can see the bits of gravel or stones. He also said he didn't know why it was dusty, this is a guy with 30yrs experience, does anyone know if there is anything we can do to strengthen or maybe the concrete less dusty? Many thanks Re: Dusty concrete 2Apr 23, 2012 4:44 pm A few possible reasons including: Too much water in the mix Laid when hot and dry and not kept damp when curing. Generally penetrating crystaline sealers like Xypex (Just Google them) work best for your situation. The Harder You Try - the Luckier You Get ! Web site http://www.anewhouse.com.au Informative, Amusing, and Opinionated Blog - Over 600 posts on all aspects of building a new house. Re: Dusty concrete 4May 23, 2012 9:09 am Another possibility is that they might have finished the surface too early (did not wait long enough for the bleed water to evaporate). Anyhow, would resurfacing help? (the process where they spray on some colour etc.)? My signature is distracting people from my wise posts ... Re: Dusty concrete 5May 23, 2012 4:05 pm Thanks for the replies, when the guy laid the concrete he done quickly, think because rain was forcast, it cost us $13,500 and think we've spent enough on it already, i thought maybe a sealer would fix the prob, but been told this won't help at all. Re: Dusty concrete 6Jun 23, 2012 11:35 am Nope sealer not going to help , have a option i can steer you in if you want to PM me of a product i now that will stop the dusting and seal it at the same time without looking like a sealer 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 5587 Much a do about nothing. You can see the fall heading to the actual drains. Stormwater ingress will be minimal and it's far better to have the top sitting flush rather… 12 6756 |