Everbuild geo fix paving mortar everbuild geofix20gy geo fix is acknowledged as the original and still the best paving jointing compound it is available ready to use and is air cured for pointing all types and sizes of paving flags slabs cobbles and stone setts geo fix is simply brushed into joints and sets hard stops weeds and will not crack or wash out geo fix is available in 20 amp 15kg tubs everbuild geofix20gy geo fix paving mortar grey 20kg