Can floor Thinset be used on walls?

Asked By: Qinghua Rifai | Last Updated: 24th April, 2020
Category: business and finance construction industry
4.9/5 (210 Views . 26 Votes)
Mastic doesn't have the bond strength of a modified thinset. This thinset is excellent for holding large format tiles on the wall in showers. You can also use it on floors and for DITRA installation. It is considered a modified thinset and therefore can be used between DITRA and wood subfloors.

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Similarly, can you use floor tile mortar on walls?

Because thinset is not affected by moisture, it is best for floor tile and any tile in wet areas, including shower floors, walls, and ceilings and tub surrounds. Since thinset tile mortar may crack, you may wish to mix it with a special latex additive to increase its strength.

Subsequently, question is, can I use thinset to level a floor? You can use thinset to install tile over an uneven cement floor and leave the floor perfectly level. You can also use thinset mortar to level out an uneven cement floor or fill small holes in the floor without installing tile.

In this way, is there a difference between Thinset and mortar?

mortar /môrter/noun: a mixture of lime with cement, sand, and water, used in building to bond bricks or stones. Thinset, while it is also sometimes referred to as a “mortar” is an adhesive. It's a mix of cement, water, and fine sand.

What is the difference between modified and unmodified thinset?

Unmodified thinset has been around forever. Unlike unmodified mortar, which consists only of a blend of Portland cement, sand, and water retention agents, modified thinset includes additional retention products, such as latex polymers, which can increase its performance and strength.

39 Related Question Answers Found

What adhesive sticks to ceramic tile?

Loctite and Masterbond make glass adhesives, and Liquid Nails has an all surface adhesive that works as well. Epoxy resins work well on glass and smooth surfaces. If you are gluing something somewhat flexible to the tile, E-6000 is hard to beat.

What is the best tile adhesive?

It has a working time of 8 hours once mixed, a coverage of approximately 5m2 using a 10mm notched trowel and can be grouted after 24 hours. Mapeker Rapidset Flex Greyis a fast setting flexible grey adhesive suitable for ceramic, porcelain, mosaics and natural stone, (e.g. slate) in wet or dry areas.

What is the purpose of thinset?

Thinset (also called thinset mortar, thinset cement, dryset mortar, or drybond mortar) is an adhesive mortar made of cement, fine sand and a water retaining agent such as an alkyl derivative of cellulose. It is usually used to attach tile or stone to surfaces such as cement or concrete.

Is premixed thinset any good?

Premixed thinset isnt thinset at all. Thinset is a portland cement based product and cannot be stored already mixed in a bucket. "Premixed thinset" is mastic with sand in it. Mastic is good for backsplashes and small format tile 8" or smaller.

How long do you have to work with thinset?


Once it is applied, you have 30 minutes (open time) in which to get the tile installed before it starts to skin over and you can have adhesion issues. Several things can impact that, though. Make sure you acclimate the mortar so it starts off cool. Use cool water when mixing.

What is the difference between thinset and grout?

Thinset Mortar: What's the Difference? Both grout and mortar are essential materials for tile installation, but they serve different purposes. Thinset mortar is used to adhere tiles to a surface, while grout is designed to fill the spaces between tiles once they've been installed.

How thick should tile mortar be?

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. For example, a 3/8" notch trowel will produce a 3/16th inch thick coating after the tiles are pressed in to the cement.

Is back buttering tile necessary?

Back buttering tile is a highly opinionated and widely-debated topic among tile installers. Although it's recommended for natural stone tile, it's not always necessary or required to get adequate mortar coverage on ceramic and porcelain tile.

What happens if you put too much water in Thinset?

If you put too much water in thinset several things happen. This can easily make the tile go too low, sending thinset up the grout lines causing an unnecessary mess, and then you have to peel the tile back up to add more thinset to bring it back up to the level of the other tiles. 2. It takes a very long time to cure.

What happens if Thinset is too thick?


The most likely dangers of using it too thick are cracks (see photo), delamination, and lippage. Please note that the thinset being shown as a patch in the previous pictures is one designed to be used on plywood (an ANSI A118. 11 mortar). If you try to do that with an el-cheapo thinset, good luck.

Is Thinset waterproof?

As Jason described, thinset itself isn't waterproof. It isn't degraded by water, and does resist the flow of water (somewhat), but definately does not "waterproof" any tile installation the way a membrane will.

How do you spread thinset evenly?

Scoop up a portion of thinset from the bucket. Holding the trowel at a slight angle with the flat side against the surface, spread the thinset across the floor or wall like butter on bread. Leave a thin but even layer of thinset on a 3-foot-square area -- or about as much space as you can cover in a few minutes.

Can you put tile directly on drywall?

Sheetrock, or drywall, is no different for tiling over than wood, plaster, cement, or other wall materials. If you are tiling an area that is not in a bathroom, tiles can be applied directly to the sheetrock simply and easily. The wall has to simply be prepared in order to complete this task properly.

Can I use thinset on drywall?

Thinset bonds best with a porous surface, such as new drywall or backerboard, which needs no preparation, but you can apply it over painted walls or tiles that are flat and in good condition as long as the shiny finish is removed. Use the type of thinset mortar specified for your particular tile.

What consistency should tile adhesive?

The mortar should be fairly thick, like thick peanut butter. The thickness and consistency of the initial mix should be the same consistency of the final mix. Slaking is necessary! Do not add more water or mortar mix after the mortar slakes.

What is stronger thinset or mortar?

Thinset represents a modern alternative to the traditional mortar bed. It consists of cement, water and very fine sand, resulting in a thinner mortar generally applied no more than 3/16 inch thick.