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as above, I’m looking to extend an area 0.8m x 2m when I replace my old patio. It’s 40cm deep and will be behind a retaining wall.
I’m guessing I don’t do the whole 40cm/10” depth with type 1 in 75mm levels, so hows best to fill this space please?
I’m guessing I don’t do the whole 40cm/10” depth with type 1 in 75mm levels, so hows best to fill this space please?