On Jan 17, 9:08 pm, franz frippl wrote:
A recent This Old House program featured a worker applying a liquid
membrane directly on plywood in a shower. This was to be the base for
tile.

What is this product? Does it work? Will it stand up over time? If it
works, does seem easier than messing with a pvc membrane or pan.

Here is the one I see most often. This in not and endorsement. :-)

http://www.custombuildingproducts.co...s/RedGard.aspx

I like membrane or copper myself, but this sure is cheap and easy.

JK