On 19/02/2019 16:10, Jim K.. wrote:
I need to lift a huge yorkstone flag, approx 4ft by 4 ft by 4 inch
thick, by about 2 inches, & rebed on mortar etc as
necessary.

Is it rocking? Ff so just level up the side that appears to drop and
shovel in the mortar on that edge/corner. Bearing in mind the weight
and size I doubt if you need to re-bed the whole slab - gravity will
keep it in place.



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