are the large sacks of Wickes ballast sand and aggregate mix for concrete or just mixed aggregate and I still need sand ?
thanks Les
dumb question...
Sep 08, 2003
1 Replies
Hello in2minds
Ballast, also known as "All-in" is mixed aggregate and sand, designed specifically for mixing as concrete. So yes, it's fine - just add cement, water and any additives you want.
If your mix needs "4 aggregate, 2 sand, 1 cement" you'd use 6-1 ballast/cement by volume.
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