Nestor_Kelebay has not only informed us about the chemical properties of copper and Mapp gas but has given someone with a grain of sense, ME, an enjoyable read regarding how to solder a ball valve to copper pipe. Thanks Nestor.:)
denshield is at approx. the right height from the first level. It should be sealed with the best silicone that one can buy. The tile should be left about 1/8-3/16 above the deck of the tub and siliconed as well. I, personally would install kerdi membrane over denshield and drape this over the...