One of the most frequently asked questions when it comes to tiling is - "Can you tile over existing tiles?". There are two sides to this question. Technically - it can be done but in practice it is avoided. This method of tiling depends on the condition of tiles which are already installed. Since these tiles are already worn-out and damaged by humidity or have uneven areas, the tiling over existing tiles is not advisable. There are other factors such as weight and moist absorption which can also make you re-think your plan.

Before You Start: ¶ 

First - inspect the current state of the tiles which you already have. This is important as they are going to be the foundation of your tiling. Your tiling needs to be well-sealed and bond with the base. If your current tiles are well-laid and and there are no cavities between them and the base flooring you can lay the new tiles. To check for cavities you can just tap and for search for hollow sounds. These cavities are usually caused by the lack of adhesive between the tiles and the subflooring but can also be a result of an earthquake or a construction site nearby.

Also consider: ¶ 

  • If the base is a plasterboard, consider the additional weight of the two layers of tiles. Plasterboard has a maximum weight limit per square centimetre and exceeding this limit may cause structural damage.
  • Not every type of adhesive is right for tiling over tiles. Since a tile is made to endure humidity and to absorb the least amount of water possible most adhesives won't work.
  • When laying the tiles, bear in mind that your floor will be raised between one and three centimetres. This means that any door frames, kitchen appliances and furniture and bathroom storage units should be fitted accordingly. You can use a door threshold to level or transition between two types of flooring. If you have to tile only half of the room it is more aesthetically pleasant to remove the old tiles first.

Before You Start Tiling Over Tiles ¶ 

If you have put these requirements into consideration and there are no hollow sounds you can proceed to laying the tiles. Before you do that, you should clean spotless your existing ceramic tiles. This step is very necessary and often overlooked. In fact, it is done not because it will look good but because any grease or dust will make it harder for the tile adhesive to bond. So make sure you degrease everything and the grout is perfect too.

Removing The Tiles ¶ 

If your existing tiles don't meet the requirements and it have cavities or uneven parts, or are too heavy, then removing them is the better option. Depending on the subflooring there are different methods of doing so. Generally, the easiest way is to remove the backerboard, if one is used. Of course, removing the tiles is more expensive, that's why many people decide to choose this method in the first place.

In Conclusion ¶ 

  • Can you tile over tiles? Yes.
  • Should You? Most of the times - no.

When can you do it?

  • If your existing tiles are smaller and thinner and the wall can endure the weight of a second layer of tiles.
  • When the adhesive can be absorbed by the tile.
  • When you can make a smooth aesthetic transition between types of flooring and you've considered that an additional layer of tiles will raise the floor with 1 to 3 centimetres.

12 Yorum

Remove the glaze off existing tile with a sander or grinder for better adhesion then use a flexbond thinset by customs it acts as a crack isolation membrane also and apply a 1/8 to 1/4 coating over existing tile that makes your substrate stronger and a fresh new and clean suface to set on.then use a POLYMER-MODIFIED THIN-SET MORTAR ( the expensive bag)such as versabond by customs to set yor tile or stone on and you should have no issues.now remember adhesion is everything in this buisness and your job is only good as the person who set the existing tile before you so make sure it has a good bond and no hollows. good luck....... Marty Marble

Marty Marble - Yanıt

My existing tile is in good shape, no cracks, loose tile, etc. They are the 8" squares...I would like to tile over this tile with a larger tile maybe even 16x16....would that be a good idea or do you have to stick with the same size tile.

btherry -

I made sure I read this article thoroughly, before I got tile-on- tile application done. It was not as stressful as I thought it would be. Easy and not a big issue when the tiles are more or less of the same size. In India the best tile on tile adhesive is Roff non-skid adhesive, it just stuck right on and was not messy either.

Arjun Nair - Yanıt

Hi Arjun!!

i was going thro the inputs of laying tile over existing tiles, & then came across ur post. It’s for our kitchen in our new home, after laying I didn’t like the tiles selected, so thinking of changing by pasting new over.just wanted to know how good it is . Expecting your early reply.

thank u

Raji Radhakrishnan

Raji Radhakrishnan -

We are remodeling our bathroom and the existing floor is marble. We would like to change the floor to porcelain tile. Is it okay to lay the porcelain tile over the existing marble floor?

Tinette - Yanıt

We whole like to remove our Mexican that is over a granite tile that is posible?

Graciela infante - Yanıt

Can I remove the Mexican tile that is set over a granito tile to restore a granito flor?

Graciela infante - Yanıt

Very useful information about Tiling has been shared. You really did an awesome work. Thank you so much. Request you to keep sharing in future also.

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Jimmy Wales - Yanıt

You can use the peel and stick tile over existing tiles, just peel the back paper and stick the tile on the existing tiles https://clevermosaics.com

Clever Mosaics - Yanıt

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Installing tile over tiles increasing dead load? Will it not debond?

kinjal mistry - Yanıt

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