Keeping concrete wet during curing - Contractor Talk
Apr 6, 2010 · The water prevents the moisture in the new concrete from evaporating. Concrete needs the moisture to continue to cure and gain strength. Preventing the moisture from evaporating extends …
Concrete Discoloration | Contractor Talk - Professional Construction ...
Nov 12, 2025 · Concrete needs adequate warmth to cure correctly, and when temperatures dip below freezing, it can slow down or even stop the hydration process, leading to surface discoloration or …
Traffic on new concrete driveway...curing time? - Contractor Talk
Oct 19, 2012 · How many days of curing time do you recomend before allowing vehicle traffic on a new concrete residential driveway?
Concrete Curing Time & White Blotches - Contractor Talk
May 27, 2023 · Greetings. I know this is for contractors, but I need expert advice. I recently had an outdoor concrete countertop poured. It's been about 7 weeks now and it still has white blotches. The …
Water in Footing Holes.... - Contractor Talk
Jun 9, 2009 · It will act almost like flooding does for a slab, a consistent amount of water over cured concrete will only make curing time longer, and when you cure concrete for as long as possible you …
Footers and curing/Drying time | Contractor Talk - Professional ...
Jun 6, 2011 · There is no time to waste waiting for concrete to cure. They pour bridge piers on interstates and start setting beams and decking right away. They don't wait for the 28 day tests. After …
Digging Post holes in winter - Contractor Talk
Feb 2, 2014 · For concrete curing time. I still don't see a problem. The ground is 50 some degrees. The concrete will be down in the 50 degree from now on. It will have plenty of time to cure. Just make …
Why does concrete cure white and portland cement cure grey?
Oct 3, 2009 · Anyone know the reason? If I mix portland cement and sand together to get a grout mix which I use for my faux rock retainer walls, it will usually cure a dark grey or mild dark grey where as …
Effect of mixing salt water in concrete - Contractor Talk
Sep 21, 2012 · the Roman concrete used for saltwater piers were made w/ seawater and are still standing to this today—thousands of years later. in fact, as the concrete reacts to the saltwater, it …
Painting fresh concrete surfaces - Contractor Talk
Nov 16, 2008 · We have to paint below ground concrete surfaces with Epoxy PAINT or Bituminous paint. The engineers says we can paint only after 30 days. What is the actual time gap required to paint on …