ChatterBank12 mins ago
Base for slab laying
I am about to lay concrete slabs 900x600x50 (heavy b*gg*rs)and I have whacked the sub base and now want to know how thick a whacked layer of sharp sand i should put knowing the slabs are heavy?
PS 17sq metres of slabs ,how do i work out how much sand i shall need at a known thickness. Thx
PPS Or would Stone dust be better?
PS 17sq metres of slabs ,how do i work out how much sand i shall need at a known thickness. Thx
PPS Or would Stone dust be better?
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B&Q states that you should have 10cm of hardcore (for firm, well drained soil - more for softer soil) topped with 5cm of mortar:
http://www.diy.com/di...tio/lay_a_patio.jsp#2
Assuming that you're using 5cm of something (irrespective of whether that be mortar, sand or stone) the calculation for the required volume will be 17 sq m x 0.05 m = 0.85 cu m.
Chris
http://www.diy.com/di...tio/lay_a_patio.jsp#2
Assuming that you're using 5cm of something (irrespective of whether that be mortar, sand or stone) the calculation for the required volume will be 17 sq m x 0.05 m = 0.85 cu m.
Chris
1 to 3 of 3
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