To free up valuable floor space, I removed the cast-iron radiator and installed Warmboard radiant-floor heating after leveling the floor by sistering 2x4s to the existing joists. One advantage of Warmboard is that its 1 1/8-in. thickness makes a very stiff floor. I used it to heat approximately two-thirds of the room and purchased an extra 1 1/8-in. filler panel to heat the other third where the shower drain and the toilet waste pipe exit.
I had no idea how long it would take to install a waterproof shower system, but after a lot of research, I decided to use the Schluter-Kerdi system. I made the shower as large as possible (which was expanded during rough-in), and the final inside dimension is 48 in. by 38 in. In the corner, I incorporated a small shower seat from A Better Bench. It is a stainless-steel unit filled with dry-set mortar and then tiled. Read the rest of this entry »