Re: shower pan
Posted by John Bridge on November 01, 19100 at 16:53:16:
In response to Re: shower pan
The pan goes behind the backer board and you cannot nail through it. The backer board has to dangle the last few inches.

I don't like Denshield. Hardi-backer is much better, structurally. I recommend installing green rock over the studs but stopping it where the pan will begin (about 8 in. above the floor). Use flat wood backer blocks between the studs to back up the pan. Install sheet plastic as a moisture barrier and finally the backer board (1/2 in. thick).

Push some mortar up behind the bottoms of the backer board peices. This will keep the backer board from giving way.

The best way to build a shower, of course, is with cement mortar, reinforced with metal lath. If you are going to use backer board, you should at least do the lower portion of the shower (pan area and curb/dam with mud. It's nearly impossible to come up with a good situation at the curb when using backer board. How do you attach it without driving fasteners through the pan material?



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