Shower Receptors case studies
Shower Receptors · Put your knowledge to work in context.
The Shower Receptor credential is a knowledge-based certification for tradespeople who build, waterproof, and finish shower receptors - the sloped, drained base that carries water to the drain and protects the structure beneath. It is aimed at tile setters, waterproofing installers, plumbers, remodelers, and inspection or quality-control staff who need to demonstrate that they understand the receptor as a system rather than a single product. The exam is multiple choice and spans seven domains: codes, standards, and definitions; substrate preparation and rough-in; pre-sloped receptor and drain installation; waterproofing membranes and flashing; tile and finish setting over receptors; testing, inspection, and quality control; and repair, remediation, and safety. Because the domains are weighted unevenly, waterproofing and pre-sloped receptor work carry the most scoring weight, and questions tend to test sequencing and failure diagnosis as much as recall. The Shower Receptors case studies are 5 cases and about 3,516 words.
1Cracked Mortar Bed Over a Wood Subfloor with a Bonded Membrane
A remodeler is building a 4 ft x 6 ft walk-in shower in a second-floor bathroom. The joists are 2x10 at 16 in.
714 words, about 4 min2Flood Test Passes but the Curb Wicks Moisture
A contractor completes a tiled shower with a PVC liner, clamping-ring drain, and a 4 in. tall curb built from three stacked 2x4s covered with cement backer board.
709 words, about 4 min3Pre-Sloped Pan Meets an Out-of-Level Subfloor
A prefabricated pre-sloped shower pan (expanded polystyrene core with a factory-applied waterproof coating) is being installed in a 36 in. The subfloor is a concrete slab that the installer checks with a 4 ft level: there is a 3/8 in.
690 words, about 3 min4Surface-Applied Membrane Over a Mortar Bed with a Weep-Hole Question
A tile setter is waterproofing a 48 in. shower with a surface-applied liquid membrane over a sloped mortar bed.
694 words, about 3 min5Failed Flood Test After a Late-Night Repair
On a Friday afternoon a crew is finishing a shower receptor. During a pre-tile flood test the water level drops about 1/4 in.
709 words, about 4 min