I've replaced a raised patio, The new patio overhangs the original base by 20 cm so it wouldn't be a good idea to stand right at the edge of it until I shore it up with something. Would aerated concrete blocks (and mortar) suffice?
I'm drawn to them because I assume they will be easy to cut?
The 100mm "lite" 3.6kN blocks support 15 tonnes each
The 100mm "lite" 3.6kN blocks support 15 tonnes each (when laid the normal way).
The 100mm "lite" 3.6kN blocks support 15 tonnes each (when laid the normal way).
grrrr ... it got stuck sending and I thought I'd waited long enough to see if it arrived
:) :)
Thanks, should support me comfortably then!
And yes, they are easy to cut - I did a fair number of them for my conservatory, with an old, worn out, circular saw blade; a few more with a hand-saw; and channelled for cabling and cut-out for back boxes, using an old router bit!
But are they frost proof ?. I doubt it.
Why? Why not use ordinary medium density ones, or (better) bricks? When you get a decent frost, your aerated blocks will turn to s-.
But as for the underlying base that is what you need to be looking at. Brian
To be fair, the OP wanted a temporary support pending something more permanent.
Fairly thick concrete laid about 20 yrs ago so should be fine.
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