Historical
IAPMO IS 4-2003
Installation Standard For TILE-LINED SHOWER RECEPTORS (and Replacements)
Installation and material of tile-lined shower receptors shall comply with this standard and the current edition of the Uniform Plumbing Code [UPC], published by the International Association of Plumbing and Mechanical Officials (IAPMO).
International Association of Plumbing and Mechanical Officials [iapmo]