Browse Forums Paving & Concreting Re: Powdery Concrete 9Oct 16, 2010 9:25 am Da Vinci Outdoor Living Architectural landscaping http://www.davincioutdoor.com Re: Powdery Concrete 11Oct 19, 2010 9:13 pm Thats really strange. - So no rain, - Bright sunny day How hot was it? did they use water to get a finish? using water usually gives a less than perfect looking finish. sometimes surface will chip away. They hay have used too much water??? Don’t know. must be the mix To my understanding early saw cuts are to control shrinkage cracks, so doing them now would be pointless. Control joints may reduce ugly cracking during periods of soil… 3 9862 Hi all I need a guidance on how far I need to space expansion joints in the concrete driveway and its type (keyway/foam.) Contraction joints are at 3m max for a 125 slab. Thanks 0 10940 |