One piece shower, The idea of a one piece shower insert will appeal to those who like bathroom shower enclosures but not the work and upkeep of tiles. Description from besttoddlertoys.eu. I searched for this on bing.com/images
Sealed joints. When installing a window in a tiled shower enclosure, make sure the joint between the jamb and the cementboard is sufficiently sealed with silicone caulk and a waterproofing membrane. The membrane bridging the two materials creates a stable substrate for the tile.