Historical
IAPMO PS 106-2010
Pre-fabricated, tileable shower receptors
This standard applies to pre-fabricated, tileable shower receptors and includes requirements for materials, construction, inspection, marking and definitions.The shower surface can be partially or completely covered by materials other than ceramictiles such as marble, stone, concrete slabs, plastic, etc. so long as the material is properlytreated or coated to eliminate any health or safety concerns.
International Association of Plumbing and Mechanical Officials [iapmo]