Can you pour self-leveling concrete over old Thinset?

If you only have a small amount of old thinset that you need to tile over, use a self-leveling floor compound to smooth out the entire floor. Self-leveling compounds start out liquid but harden to a smooth, flat surface ideal for tiling. It will automatically seek out the high and low spots on the floor and level them.

How do you level an uneven bathroom floor?





Quote from the video:
Quote from Youtube video: Self-leveling underlayment are a simple solution to flattening uneven or out of level floors. It's an especially good technique when you're planning on tiling.

How do you level a bathroom floor?

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Quote from Youtube video: Spots. You can then add some screws into the wood subfloor as height indicators. For the self. Leveler this will help you determine. If you've added enough self leveler to the floor.

How do you seal a bathroom floor?

Quote from the video:
Quote from Youtube video: And so I always recommend using a type of sealer on your brow. So it doesn't really matter what you choose but a lot of people are like do I need a sealer do I not need a sealer.

Can you put floor leveler over old thinset?

Yes you must remove all of the thinset – FOR SURE. Thinset is not meant to be exposed and a leveler on top of it will not protect it enough. From walking and moving furniture you will end up with chunks of thinset/leveler and it will just be a mess. You either have backer board or plywood under the thinset.
Dec 30, 2015

Can you put floor leveler over tile?





Levelling compound can be used on a variety of substrates including concrete, screed, existing tiles, and timber floors. Ideal for using in areas where the floor dips or needs filling in.

Can you put self-leveling compound on wood floors?

Wood floors need to be primed before covering them with self leveler. The floor will be covered with water-saturated leveler, which will cause the wood to swell. It will shrink back down when it dries, which could cause cracks in the underlayment and tiles above. The primer prevents the wood from absorbing water.
Mar 15, 2022

What to do if tile is higher than hardwood?

The answer to height differences is to use a floor transition strip that ramps up or down from tile flooring to wood flooring. Transition strips, typically made of wood or lightweight aluminum, can easily be cut to length with a regular miter saw or hacksaw.
Nov 11, 2021

How do you level a wooden bathroom floor?

Quote from the video:
Quote from Youtube video: Don't use nails. This will have to reduce creaky noises when the new floor covering is used. Use a pipe and cable detector before you put the screws in the boards.

How do you fill gap between wood and tile?



Quote from the video:
Quote from Youtube video: Press down and go right over to ensure that all of the wood filler is actually going into the gap and just continue doing that along each of the gaps that you have in your hardwood flooring.

How do you fill gaps in bathroom floor tiles?

White cement is great for filling cracks and gaps if used properly. You can use it to fill the gaps in marble flooring, vitrified tiles, and ceramic tiles. Moreover, you can mix the white cement with color pigments if you want to match the tile color by creating a single floor piece slab illusion.

Should bathroom floors be sealed?

Porous materials, like travertine and other natural stone tiles, often require sealing, especially in high-moisture areas like showers or tub surrounds. Conversely, for porcelain and ceramic tiles, which are highly resistant to water, sealing may be optional, especially for those that have a glazed finish.

Does vinegar remove thinset?



While vinegar is a weak acid solvent and won’t damage dried concrete, it wukk help to loosen up the bonding elements of thinset cement, allowing you to wipe up limited dried residue with your sponge.

How do you remove old thinset?

Hammer your 1 in (2.5 cm) putty knife at a 45-degree angle to the thinset.

  1. You can also use a masonry chisel that is the same width.
  2. Continue removing the thinset in small chunks until you’ve removed enough to accommodate your new tiles.
  3. Always use a putty knife with a hammer-end handle and sharp blade.


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 you put on tile adhesive?

The thickness of the adhesive for wall tiling should be at least 3/64″ (1mm) or 3/32” (2mm) for larger, heavier tiles. You can achieve an adhesive bed of this thickness with a 6mm or 10mm notch trowel.

How thick can modified thinset be applied?

about 3/16 inch thick

Typically, they’re applied at about 3/16 inch thick when spread out with a 3/8 inch notch trowel. And for radiant floor heating installations, the thinset must be at least 3/8 inch thick in order to embed the heating element and adhere the tile.

What happens when you apply thinset too thick?



An excess of thinset can cause an uneven surface, ooze between tiles, and form a poor bond between tiles and your substrate. Use just enough thinset mortar to form a solid bond between the back of the tile and the surface beneath. In most installations, a layer of thinset 3/16 to 1/8-inch thick is sufficient.

Do you put mortar on back of tile?

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For large format tile, glass tile, natural stone or any tile set on exterior surfaces, “back buttering” the tile is recommended. Use the flat side of the trowel to get an even coat of mortar filling all the spaces in the surface of the tile.
Dec 8, 2020

What is the difference between thinset and mud set?

A variety of high performance thinsets gives you strength, flexibility and chemical resistance to meet the requirements of most any environment. The surface you cover is the key to success in thinset. A mud set mortar installation gives you room for error in the substrate.