b'Schluter: creativity, craftsmanship, and a complete installation system lead to stunning project(top) The framed shower floor area was built 2-1/2 lower than the rest of the addition to allow the mud bed floor to be flush with the bathroom floor.(bottom) The entire shower base was covered with the Schluter-KERDI waterproofing membrane after the floor warming system was installed, per Schluter Systems instructions.Heated floorsOneoftheprimaryhome-ownerrequirementswasto ensure comfort by incorporat-ingafloor-warmingsystem underthetiles.Theaddition wasbuiltoveracrawlspace so the system helps to mitigate transfer of cold from the space below. Coronainstalledthe Schluter-DITRA-HEATsys-temtoprovidefloorwarming throughoutthebathroomand ensurealastingtileapplica-tion.TheDITRA-HEAT-DUO uncoupling membrane features studs on the surface that secure 40TileLetter | May 2020'