Build a Shower Pan - Layer by Layer

Build a shower pan properly and it should last forare the perfect spot for mold to begin to multiply.
decades. Get it wrong and you soon find out. BuildingWhat you could have then is a complete shower
a shower pan often is left to pros, but even prosbase full of mold. That's why the slope matters.
sometimes get in a mess. Here are the main steps toThe Critical Layer
installing a shower pan the right way.What covers that first mud base is the central part
Drain Mystery Revealedof the base. That is a sheet of vinyl called a shower
A tile shower drain contains more than meets themembrane or shower liner. This vinyl sheet slopes up
eye, at least more than you can see from the top ofthe sides of the base and keeps all the water that
a finished shower. That's because the drain actuallymakes it into the base within the base. But there's
contains drain holes on two layers. One layer you seemore. Since it is sloped, all the water moves right to
in the floor. The mystery layer though is really buriedthat hidden level of drain holes and away it goes
down in the shower base itself. The lower draindown the drain where it should be.
catches the water that happens to seep down intoMud Layer Two
the floor.Over the important liner goes another mud layer to
That happens because shower floors just naturallyserve as the final base for the tile itself. This mud
leak. Grout does not stop water and neither doesbase is built, like the first layer, of a mix called deck
some tile. Dealing with that water is core to propermud. It consists of a proper mix of just three
functioning of a tile shower.ingredients. You can get it ready mixed or mix it
From The Ground Upyourself.
After the drain is set, the foundation for the tileThe Easy Part
must be solid so no movement happens.A tile shower floor without all that base work is sure
That demands reinforced sub-floor, whether it isto fail. With all the layers done properly up to now,
wood or cement. Specs for movement exist so youthe last part consists of just laying the tile just as if it
can measure your floor and know whether it is rigidwere any other floor. Of course, there's matching the
enough to at least meet what the codes call for.tile to the drain, but after all that's gone before,
Mud Layer Onethat's a minor detail.
As you build up from the sub-floor, each layer servesBuild a shower pan properly and it should last for
a purpose. The bottom or first mortar layer existsdecades. Get one step wrong and you likely get
not just to build a solid foundation, but to build awater damage and major messes. Even if a pro does
slope to get the water moving toward the drain.your project, it's best to know how a shower pan
Often this layer is not sloped and here's whatgoes together so you can check that every step
happens. A flat first layer means more water poolsgets done and done right.
within the shower base. Pools of water in the floor