A Waterproof Base for Tub Tile

In a room that gets hosed down with hot water two or three times every day, waterproofing is a BFD

​The stakes are high in bathrooms, and with good reason: because tubs have a track record of failure.

"I think greenboard showers sent my daughter through college—we've probably done several dozen baths due to failures."

—Doug Horgan, VP, BOWA Builders

Critical spots are where different materials connect—don't tuck your rain pants into your boots—and where wicking is a possibility—keep some space between your pants and the puddles.