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Relaying slabs in garden.
On Sun, 27 Apr 2014 14:28:03 +0100, John Rumm wrote:
However the critical requirement of any sand only screed is that the edge is adequately retained - typically with a mortared in place bedded on course of blocks or edging stones, but sometimes just a concrete haunch. Without the edge restraint, the sand will migrate out, and will also get migrated by insects. and worms etc. The slabs in my garden were layed by my brother in about 1980; if there was any sand, it's long since disappeared. The slabs are still firm and dead level. This is almost certainly due to the soil being somewhat heavy and it hadn't been disturbed at all since at least WW2! On the other hand, in a friend's garden that had a high water table, light soil and loadsamuck, some of the (fortunately 2x3) slabs were only about 25% supported by anything - they definitely needed sand and binder and probably some hardcore as well. -- Peter. The gods will stay away whilst religions hold sway |
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