I have an area in my side yard that is currently covered in interlock
bricks. I want to build a wooden shed (5'x12'), and I was thinking
of pouring a concrete base. I was wondering if I could pour the
concrete directly over the interlock. It would save me concrete, as
I only need about an inch of concrete at that point. I think the
interlock shouldn't heave, as it's been there for at least ten years
now. Am I safe in doing this, or am I asking for trouble?
The shed I used and others I have seen you can support with 9 concrete
block, 3 down the middle right on dirt, air circulation underneath is
smart so you don`t rot, you won`t have enough weight to need a pad. I
would just use block on the interlock, no pad. You could go right on
the interlock paver but shed floors and bottom supports rot first,air
circulation underneath helps alot.
On Wed, 06 Apr 2005 23:23:00 +0000,
email@example.com (julvr) wrote:
No, you are not safe with one inch of concrete -ever. 3 inches
minimum and that is if you reinforce it with lots of steel. But you
probably need the height anyway to the the shed floor up out of the
And inch of concrete is too thin to have any real strength, so if the
blocks shift in the slightest it's going to crack and chip off in sheets.
I'd be very hesitant to do anything less than three inches even iwth a
very stable base, 4 would be better and strong enough that it wouldn't
matter how well the bricks stayed put. But as someone else noted, this is
a shed, the bricks should make a fine floor as is, so if they're in good
shape, I'd build on that.
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