Should I Use Stone Dust Or Sand Between Patio Pavers
Oct 26, 2006 50mm pavers are okay, however, I would be looking at 100 150mm of crusher dust, set down with a wacker. Then another 50mm of sand , screed out. Whats your subsoil Clay red dirt Why only a 50mm of crusher dust with no sand the crusher dust and the sand is neglible compared to the cost of digging it up again!!.Feb 17, 2014 Either it's pure Portland cement (a fluffy, gray powder), or a concrete mix composed of Portland cement, sand and rock. But in either case, if the stuff is still usable (hasn't hardened in the bag), adding it to a gravel sand mix will cause things to set up and harden when moisture gets to it once that happens, you won't be moving anything, as.