How To Pre Slope A Shower Floor

The first is the belief that a pre slope is not needed since the top layer of mortar mix will be sloped and the tile adhesive grout and tile will deter any significant amount of water from absorbing down to the flat water resistant barrier.

How to pre slope a shower floor.

It s key to have a pre sloped layer of deck mud on the bottom. There are only two schools of thought as to whether you should install a pre slope in your shower pan. So mark a line 1 1 2 from the floor all the way around the wall studs. How to build shower floor 1 pre slope layer building a shower floor pan correctly requires several steps.

I had the plumber install the drain and pvc liner. The diagram below illustrates the layers involved. Seriously if you ve got water getting under all that tile and cement and pvc lining you ve got bigger issues than a little preslope. A shower floor without enough pitch usually puddles and holds water.

If you are going to start with a preslope here is the how to. Soap scum and water deposits form in these wet areas which makes the tile and grout look dirty. Start with a solid clean and properly supported shower floor. Some shower remodel projects such as turning a tub into a standup shower turn into a nightmare when the tile installer failed to create a properly sloped shower floor.

Here are some details of the project. I try to make my pre slope the correct thickness at the drain so it will be 1 1 2 at the walls. Under that slope is the pvc liner which is on top of your preslope. Shower stall is 56 x 32 with a bench seat 14 deep at the back of that.

So if we make the pre slope 3 4 thick at the drain it needs to be a total of 1 1 2 inch thick at all your walls. This deck mud should slope 1 4 for every foot from wall to drain.