What is a shower pre slope?

Showers: PRO-SLOPE provides the code-required slope to weep holes in a clamping ring drain in the shower receptor. Install PRO-SLOPE under a reinforced mud bed (which is generally 1-1/4″ thick mixture of a 1:4 mix of portland cement to sand). NOTE: A sheet membrane like Chloraloy must be installed over PRO-SLOPE.

Do you need a shower pre-slope?

No. I’ve installed a number of showers. There is no such thing as a ‘single step’ process. If you don’t have a pre-slope, or use something like Schluter’s drain pans (which is what I always use now), the water will pool and just sit there which will cause bacteria growth, possibly mold, etc.

What do you use to pre-slope a shower?


So what kind of material to use for the mouth I just usually quick pre sand topping mix strong enough it's actually richer than it really needs to be but it works fine for for shells showers.

Is Pre pitch necessary?

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If you just put it down the liner on the wood floor and you put the actual pan in there. What's going to happen is water will always find its way into the pan and over time the pan will get saturated.

How do you use a pre sloped shower pan?

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For a typical bathtub conversion or larger shower you'd use the OD perfect slope extension and adjust the drain location accordingly this fits installations up to 40 by 60 inches.

How thick should pre-slope be?

Your finished floor (after your liner and top mud bed are installed) needs to be 1″ to 1 1/4″ thick at the drain. 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.

Why have a curbless shower?

Curbless showers don’t have surface joints, so there are fewer places for mildew and grime to collect. Curbless showers add visual appeal and maximize space. Getting rid of the shower barrier allows the bathroom floor to flow from wall-to-wall creating a seamless look and significantly larger appearance.

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How much slope does a shower drain need?

To efficiently drain, the recommended minimum slope for a shower floor is about 4 percent, or a 1/2 inch drop per every 12 inches from the shower walls to the drain. In traditional tile shower construction, this slope is established in the mortar pre-pan.

Can I use quikrete for shower pan?

The best concrete mix for shower pans is made by Quikrete. They make two products, the first is called Floor Mud, the 2nd is their Sand/Topping mix. Both work great for building a shower pan. Just like other types of concrete mix, there are DIY options.

What goes under shower pan?

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Begin by applying the Portland sand cement mixture bed over the subfloor pitched at a 1/4 inch per foot slope or 2% grade this slope should originate at the walls of the shower.

Do you need a shower pan liner on concrete floor?

You will have to ensure that there is no wax, oil, grease, or soap scum on the face of the concrete slab that could ruin or reduce the bond. After that, I recommend that you install a sloped shower pan to contain the shower water and prevent harmful organisms from becoming resident in the surrounding walls and floor.

How do you tile a shower floor with slope?

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And the easiest way to slope that pan is to float a sloping mortar bed on the subfloor. And that's the reason why I've nailed in these ledger strips.

How thick should my shower pan be?

The shower pan base mortar layer thickness should be approximately ½ to 1 inch thick. Since the shower floor already has a pre-slope, just apply a base mortar layer that has an even thickness throughout the shower floor area.

Do you need to waterproof under a shower base?

Installation & Waterproofing



DON’T ignore the importance of waterproofing when installing an acrylic shower base. The walls and the area around the top of the acrylic base along the wall are very important for proper waterproofing and it is essential that it be done correctly.

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How thick is the concrete in a shower pan?

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.

How thick is Thinset for shower floor?

In most installations, a layer of thinset 3/16 to 1/8-inch thick is sufficient. Too much thinset creates a mess and inhibits proper bonding between the tile and the substrate. For most tiles, apply a layer of thinset 3/16–1/8-inch thick.

How high should a shower drain be from the floor?

Getting Started. Make sure your drain pipe is at the appropriate height (approximately 1/4 inch above your concrete or subfloor).

How thick should tile be for shower floor?

Measure and note the thickness of the tile to be installed on the shower floor. Typically, ceramic tiles are approximately 1/4 inch thick, and marble, sandstone or paver tiles may be up to 1/2 inch thick. Minor deviations in thickness are compensated for by using more or less thin-set mortar when installing the tiles.

How long should mud bed cure before tiling?

Tiling should begin within 16 hours of mortar bed installation. After 24 hours, the mortar bed enters a “green” state and cannot have tile adhered for 28 days.

How thick is a tile mud job?

A thick-set or mud-set tile installation consists of finish tiles set over a 1-1/4″ to 2″ thick portland cement mortar bed. The mortar bed sits over the sub-floor and provides a smooth and stable base for the tile installation.

Can I lay tiles on fresh concrete?

You can install the tile directly on the concrete. You can install a CBU or cement board on the concrete, then the tile on top of that. Finally, you can use an uncoupling membrane between the tile and the concrete.

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How thick is a mud bed?

The Tile Council of North America (TCNA) indicates that 1.25” is the standard thickness with welded wire reinforcing in the middle of the mortar. After the mortar bed cures (generally overnight), tile can be bonded to the mortar bed.

What is a shower receptor?

Shower receptors are also called shower trays, shower bases or shower pans. They are simply the floor of a shower and very popular choices for bathroom installations. The surface of the shower receptor could be smooth or textured to prevent slips, depends on the bathroom design.

How thick can a mud job be?

Very few mortar beds are only an inch in thickness, most range in the 1 ¼-inch to 2-inch range plus the weight of the tile.

How thick does a shower mud bed need to be?

The top mud bed is the surface onto which your shower floor tile is actually installed. What we will now be doing is fabricating your top mud bed directly over the top of your waterproof liner. The top bed will be 1 1/4″ to 1 1/2″ thick – consistent throughout from the drain to the wall.

What kind of shower do you use for a mud bed?

The best mortar for shower pans is a mixture of sand and Portland cement as it creates a water-resistant barrier that can support the weight of the shower unit and the users. You can create your own with Portland cement and fine sand (1:5) and 4 quarts water for 80 lb. of the mixture.

How much does it cost to mud a shower pan?

Labor costs to install a mud shower pan are $45 to $150 per hour.



Cost to install a shower pan.

National average cost $1,600
Minimum cost $300
Maximum cost $4,600
Average range $900 to $2,300