The amount of water needed to get the concrete damp enough to stay in a ball when you pick up a handful and squeeze. No squishing, no water dripping. Just getting it damp enough to hold together. With this, there is no maximum, though 2″-2 1/2″ is the thickest ever needed to make the base for tile.

How thick should a shower pan mortar 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.

How thick can you build up thinset?





3/16th thick

The terms thinset cement, thinset mortar, dryset mortar, and drybond mortar are synonymous. This type of cement is designed to adhere well in a thin layer – typically not greater than 3/16th thick.

How thick can dry pack be?

Once that is jammed under the flange, and the flange is level, the 4th step is to mix the dry-pack mortar. As a side note, 3/4″ would be the thinnest I would ever install dry-pack, I usually aim for the thinnest areas to be roughly 1 1/4″ thick and try not to go greater 2″ thick.

How thick should a shower mud bed 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.

How thick should shower base 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. Exact specifics depend on personal preferences and materials used; there is no right or wrong size.

How thick should mortar be under acrylic shower pan?

about 1 inch thick

Lay the Mortar Base



The mortar should be about 1 inch thick. Stay away from the edges by a few inches to make cleanup easier. The fins on the bottom of the shower pan will embed in the mortar, creating a very rigid shower floor that won’t flex when you walk on it.

What happens when thinset is too thick?

If the thinset is too thick, this creates an uneven surface that’s difficult to clean and maintain. It also increases the drying phase causing the project to come to a halt. It’s recommended to be methodical with the use of thinset mortar.

What type of thinset do you use for shower walls?




Quote from Youtube video: We like our decks x-77. For hanging large format tiles on a vertical surface. You can also use our decks x-77. On the floor. Now I will tell you this much this is a polymer modified thinset.

Can you have too much thinset?

In addition to producing an uneven surface, applying too much thinset can create costly cleanup headaches and add unnecessary time to a project. Simple installation rules eliminate the possibility of this potential problem.

How thin can a mortar shower pan be?

Thin-set mortars are typically about 3/16”, which makes it preferred when height is an issue (e.g. barrier free showers). When tile is bonded to the subfloor with a thin-set, movement in the subfloor can telegraph through the tile and cause it to crack.

What kind of cement do I use for a shower floor?



Quikrete Floor Mud is the best concrete mix for shower pans.

How thick should 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 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.

How much slope should a shower floor have?

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.

How thick is shower pan membrane?



Shower Pan Liners are available in 30 mil or 40 mil thickness, PVC or CPE materials, and widths of 4′, 5′ or 6′. Liner is marked every 6″ to allow for easy measuring of material.

How thick is oatey shower liner?

It’s made of 30 or 40 mil thick, flexible PVC sheet and marked in 6 in. increments for easy of measuring.

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.

Do you glue the shower pan liner down?

Quote from the video:
Quote from Youtube video: The drain needs to be uncovered. And a quarter inch to 3/8 inch bead of 100% silicon caulk should be applied around the upper surface of the base of the drain.

Do you install cement board before shower pan?



The wallboard must be installed 1/8 inch above the shower pan. If the shower pan is not in place, the wallboard height must be guessed, which can lead to inaccuracies and an expansion gap that is too large or too small.

How far up the wall should a shower pan liner go?

Once the adjustable finished drain is tightened, all the water in the shower will flow toward the drain. Fasten the liner to the surrounding shower framing. The pre-measured liner needs to lap up the sides of the shower walls at least 9 inches.