I am thinking of laying paving in my garden but it is not level ground
can i lay the slabs on sand but in the middle it will be around 3 inches deep as the ground has sunk or do i need to put ballest on the low bit then sand over the top
can i lay the slabs on sand but in the middle it will be around 3 inches deep as the ground has sunk or do i need to put ballest on the low bit then sand over the top