Shower Pan Liner Installation Concrete Floor

Depending on local building code you can use a vinyl sheet membrane or hot mop with tar.

Shower pan liner installation concrete floor. A pre slope is the base under the shower pan liner which is pitched. A pre pitch or pre slope under a shower pan liner is an essential part of a successful tile shower installation. At some future date i intend to write an article on the subject and i may or may not use these photos. If you use a sheet membrane you will have to install a layer of roofing paper first and then install the vinyl membrane.

In the meantime i m merely going to number them for reference. Today s video shares 5 quick tips for how to make a curbless shower pan for a walk in shower on a concrete subfloor. This article will assume the subfloor of the shower is constructed of plywood although the same principles apply to concrete flooring where the sloped mortar bed is applied beneath the pan liner. This is phase 1 of building the curbless mud pan.

Once that is framed in we will put in the first part of the drain assembly and then line the floor with tar paper in preparation for the floor mortar. The roofing paper provides cushion between the concrete and the vinyl membrane which is critical. For this example we ll use a drain that is in the center of the shower pan. Waterproof the shower pan.

I have placed these photos here to aid us in instructing do it yourselfers in how to construct mortar bed shower floors. I show the basics of installing a pan explain reasons why i do it the way i do. The drain can be anywhere on the pan as long as we slope the concrete for proper drainage. Sometimes called a hack in the construction business it denotes someone that doesn t know what they re doing and here is an example of that build a shower with no mortar no liner.