A lot of businesses think that if they install urinals, you can just forget about them since there is no risk for clogs. Well, this is coming from Royal Flush, the best plumber in Doraville, GA. Sediment build-up is the leading cause of blockages and can have minimal damage if you routinely clear it out. If not, your pipes age faster, and you will be calling us out to replace your entire system sooner rather than later.