Customer called to clean up old paver patio of dirt/grime, weeds, and replace failing polymer sand. It is important to fix these issues before it causes problems of settling pavers, do to failing polymer sand. Our pressure washing experts fixed the problem by washing out all sand joints with a power wash, and replacing it with a high quality (Dominator) polymer sand. Job is a two day completion. Day one, we wash all stones, and remove all polymer sand, and weeds and allow to fully dry out, Day two we apply new polymer sand and set in place.