hi guys looking for some advice re methods for laying paving slabs,has any one had any experience of laying paving slabs using a screed bedding technique as used for block paving using a sharp sand cement mix instead of just sharp sand tho?local slab making/patio laying firm have suggested this method to my sister,say its what they always do and they come recomended! im not so sure bout doing it this way tho! your thoughts please! many thanks