Hi all, I've got a small prefab garden shed I'm putting up (3mx1.5m). It will be over concrete, however the concrete is sloping (it slopes away from the house and retaining wall) and so I'm making a small treated pine frame & floor on which the shed will fit. However I'm wondering what to do with the floor. I was going to simply make the frame and then sit some plywood on top and then the shed on top of that. However the edge of the plywood will then sit outside the shed slightly and...

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