At least two factors have an impact on whether or not the located terrace slabs are just. First the solid ground is not always with a flatness within (one or two) millimetres.Second., also have the located...
For paving slabs with 30 cm x 30 cm or 45 cm x 45 cm is suffient pad diameter of 125 mm. Pad diameter of 150 mm for paving slabs with 60 x 60 cm used. to the paving support pads