Before you permanently set the pan, mix up some thin-set mortar and dump it around the perimeter of the drain hole. Start around 4 inches from the drain hole and make a big circle around it with ...

The adjustable shower drain was threaded into the opening and pea gravel was mounded up at the weep-hole openings just prior to installing the “deck mud,” which is a mix of mortar and sand on a 1:4 or ...