hi all
i have a long drive 16m x 4m that is concrete about 5 inch deep, can i break this up and whacker it down, sand then block paving or do i have to put the type 1 down ??
i have a long drive 16m x 4m that is concrete about 5 inch deep, can i break this up and whacker it down, sand then block paving or do i have to put the type 1 down ??