How thick should a shower 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.

How do you measure the slope of a shower?

With a tape measure, determine the distance between the drain and the farthest corner of the shower. As seen in the photo below, this distance is 26″. Divide that distance in feet (inches divided by 12) by four to find how much slope you need.

Is pre-slope necessary for shower pan?

One of the most important preparation steps is to pre-slope a shower. A pre-slope is necessary because once water has reached there, it needs to be directed to the drain area. If underneath your liner is flat – without any slope to the drain – this will cause water build-up, eventually causing mildew.

What is the minimum slope for a shower floor?

4 percent
The minimum slope for a shower floor is 4 percent, which equates to a 1/2 inch drop from the shower walls to the drain. This slope is established in the pre-pan in traditional tile shower construction.

How thick should shower floor mud bed?

The thickness should be between 3/4″ and 1-1/4″ (19.1 and 31.8 mm). A minimum of 1-1/4″ (31.8 mm) thickness is required for shower receptors. Shower stall areas also require a suitable waterproofing membrane and reinforcement. Consult local building codes, ordinance and trade practices.

How thick should a mortar bed be?

With a standard thinset the maximum bonding thickness should never exceed 3/8 inch. If something is classified a medium bed mortar it is typically good for a maximum bonding thickness of ¾ inch.

Do shower plugs work?

Shower Plug will work if the crack or craze is no greater than a hairline. Any cracks greater than that will need to be patched up with grout.

Do I need pre-pitch and quick pitch?

Yes, you need both. The pre-pitch is used first. This provides the slope that the membrane sits on. Then you use the quick pitch on top of the membrane.

What fall is required for shower waste?

Waste pipes need to be installed sloping down to ensure the water runs the right way. This needs to be a minimum of 10mm fall for every 4m of pipe which can lead to insufficient fall within the floor void under baths or showers (especially under low-level or flush shower trays).

What is the standard depth of a walk in shower?

Walk-In Shower Sizes Walk in showers should be no less than a minimum size of 32 inches in length x 32 inches in width.