Time has come to get some more stuff to do the pond wall footings. Mix suggested by a neighbour is
3 x 10mm/dust, 2 x sand, 1 x cement.
Wall will be cellular block to about 4' high with first/2nd course below ground level. Vertical re-bar through blocks
Couple of questions though..
- First, is "sand" suitable for concrete bit and mortar?
- Also, there has to be a step in footing as on a slope so could I run a course or 2 of normal concrete blocks (laid flat) on the lower foundation step to bring it up level with the upper then use cellular blocks all-round ?
Cheers Pete