This sounds sensible, I'm going to but them up against the perimeter wall, as that's going to be to the North of the panels, so between that and the weight I don't think they'll go anywhere.
I don't think they'll go anywhere.
Unless the existing roof can't take 120kg + PVs
I'm sure it can. Unless it's rotten already.
@Howard started
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This sounds sensible, I'm going to but them up against the perimeter wall, as that's going to be to the North of the panels, so between that and the weight I don't think they'll go anywhere.