Question: How To Build A Shower Pan On Concrete Slab?

Do you need a shower pan liner on concrete floor?

JRC3 Member. It will need to be lined or it will wick into the slab and studding. The liner also makes the walls around the pan water-tight, that’s why the liner normally goes up at least 3″ above the pan behind the tile and backer material.

How thick should a concrete shower pan be?

As a general rule, a shower curb foundation is 3 to 4 inches thick and 4 to 6 inches tall, with finish material adding to these dimensions.

Can I use concrete for shower pan?

Concrete is perfectly adequate, if not recommended, for use as the shower pan base for materials such as stone, tile or mosaic tile to be used as the finish surface (as long as there is a proper membrane between the concrete and any vulnerable surrounding material).

Do I need a mortar bed for shower pan?

Most installers recommend putting a bed of mortar down for the shower base to sit on. Check the manufacturer’s installation instructions and see what they recommend in case the use of mortar is discouraged.

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Is wire mesh necessary in shower pan?

Before installing the final layer of mortar on the shower pan you will need to install expanded wire mesh on the shower curb, over the PVC pan liner. The wire mesh will cover the entire curb from the inside of the shower pan at the top of the mortar floor over the top of the curb and down to the bathroom floor.

What type of cement is used for shower pan?

The ideal mortar for a shower pan is a mix of standard cement mix with sand and Portland cement. This type of mortar creates a great water-resistant barrier that can support the weight of the shower unit.

Can you use thinset for shower pan?

Apply thinset mortar to the floor within your pencil lines. Allow the thinset to dry for 24 hours. Connect the shower base gasket attachment to the shower drain. Place the drain cover on top of the drain.

What is the proper slope for a shower pan?

1 Shower pan or waterproofing must be sloped to a minimum pitch of ¼”per foot to the weepholes of the shower drain.

What is the difference between a shower pan and a shower base?

While a shower pan and a shower base both channel water into the drain, there’s one key difference: “Shower pan” is the actual shower floor that you step on, whereas “shower base” refers to the structure underneath the shower itself.

How can I install a basement shower without breaking concrete?

The best way to install a basement bathroom shower without damaging your floors is to look into an upflush toilet system. While traditional basement showers require you to drill into concrete to add a drain, a Saniflo system sits on top concrete floors.

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Do you put flooring under shower?

A floating floor needs to float, do not put it under the shower pan. You will need to leave an expansion gap at the pan per manufacturer recommendations on whatever floor you choose. Therefore, you need not be perfect with the install, but will cover the edge with molding.

Can I use sand topping mix for shower pan?

As a side note, Sakrete Sand Mix can be used in many other projects like a bedding mix for brick and flagstone walkways or a topping mix for rejuvenating old concrete surfaces. There are two ways to install a shower. One is by using a preformed shower pan. Either way you still need the Sakrete Sand Mix.

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