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All You Need to Know About Ceramic Tiles

All You Need to Know About Ceramic Tiles


If you're thinking of buying tiles, if you're just looking for more general information on wall and floor tiles, then you need to know something about ceramic tiles.

1. I know nothing about tiles. Can you explain the different types?

2. Why should I use tiles?

3. What about non-slip tiles?

4. Can you tell me about natural stone tiles?

5. What size tile should I use?

1. I Know Nothing About Tiles. Can You Explain the Different Types?

Wall Tiles Vs Floor Tiles:

Tiles produced exclusively for walls are not intended to be load bearing. They are often lighter and thinner than gray floor tiles. The glazes used in the manufacture of a wall tile are also different, and are not designed to resist the abrasive forces from foot traffic. Wall tiles must only be used on walls.

Floor tiles are suitable for both floors and walls. It’s increasingly more popular to use them on bathroom walls, especially the rectangular ones. They’re up to 20% heavier than wall tiles, so it’s important that your tiler has verified the walls are sturdy enough to support their weight.

In summary: Do not put wall tiles on a floor, but floor tiles can go on either.

Porcelain Tiles Vs Ceramic Tiles:

Ceramic (or non-porcelain) tiles are usually produced by firing red or white clay in a kiln, and coating with a durable glaze which carries the colour and pattern. These tiles can be used on walls or floors. They are not as hard as porcelain, and can therefore be cut easier. The tiles can be used in areas of light to moderate traffic, such as domestic kitchen and bathroom floors, and any walls. They tend to absorb water, relatively speaking, which means they don't have the frost-resistance of porcelain and therefore are not suitable for outdoor use.

Premium porcelain tiles are produced from a finer, denser, more impervious clay then ceramic. They’re fired at higher temperature, making them stronger, harder and more damage resistant than non-porcelain ceramic tiles. They usually have a lower water absorption rate, which often makes them frost resistant or frost-proof. They’re suitable for almost any domestic application, both on walls and floors, and even in commercial settings where there is light traffic. 

In summary: ceramic tiles are not suitable outdoors, but both porcelain and ceramic are suitable for all other domestic applications.

2. Why Should I Use Tiles?

Practicality: Ceramic tiles are a versatile and down-to-earth home improvement technology. They’re easy to maintain, and help provide a water-proof barrier to your bathroom walls.

Durability: Do it once; do it right. Archaeologists have uncovered glazed tiles originally laid around 1,500BC. It proves that if you choose your tile wisely, there’s no reason your tiled area shouldn’t last for generations. Tiles are hardwearing, easily maintained, and not susceptible to fading from UV light.

Cleanliness: Tiles have long been recommended in preference to carpet to help combat dust allergies and asthma.

Design: Ceramic tiles should become an integral part of your home. 

Modern patterns and sizes will keep your home up-to-date with current trends, and careful selection will enhance and protect your home and add to its capital value.

3. What About Non-Slip Tiles?

“Non-Slip” is something of a misnomer when it comes to describing a tile. Put simply, no tile can be guaranteed to be slip-proof. In the UK and Ireland, we use a slip rating system known as R-Ratings, with the results of any particular tile ranging between R-9 and R-13. A higher rating indicates a more slip-resistant tile. There’s no applicable building regulation at the moment for slip-resistance. Tiles with any given “R” rating do not have to be used in any particular area, but the higher ones, in particular R-11 and higher, are definitely recommended for disabled-access bathrooms and public areas. Often, an architect will nominate a minimum rating if he or she is detailing the specification on a project.

Obviously a polished porcelain or gloss finish tile is slippery than a natural finish porcelain or a matt glazed tile. Because any floor tile may be used on any indoor floor, and without a building regulation, it’s up to the consumer to choose an appropriate product in terms of performance and design, based on the practical information available. Use of our sample service allows you to feel in your hand the grip 

qualities of any particular tile.


The main point to remember is that ALL floor surfaces are slippery when wet, including tiles. Tile is not in a position to offer a slip-resistant or slip-proof guarantee, either expressed or implied.

In summary: Tiles have non-slip ratings. The higher the rating, the better grip it will provide. There’s no way of providing a 100% guarantee that a tile will be slip-proof, but some are far more suitable than others.

4. Can You Tell Me About Natural Stone Tiles?

Overland Ceramics offers a range of travertine tiles and also mosaics, which incorporate pieces of travertine, limestone, granite, and other stones.

For the most part, these tiles differ little in terms of installation to their ceramic and porcelain counterparts. However:

Large thick slabs of stone are heavy, so please ensure you have strong, sturdy walls if you intend to install them in a bathroom. Your tiler will be able to gauge the suitability of stone for a bathroom wall.

Most large stone tiles will need to be cut using electrical power tools. This can be messy and should be done outdoors, taking all necessary safety precautions.

All stone (even polished) is porous. It’s imperative that it’s sealed prior to the completion of the installation work. Please use our water-based Stone and Grout Protector immediately after fitting any of our stone products. This will hugely contribute to reductions in staining and absorption of water.

Overland Ceramics recommends that only a white adhesive is used when laying natural stone. This helps resist any staining if the stone is exceptionally porous - the pigments in a grey adhesive can creep towards the surface by capillary action and cause discolouration.

5. What Size Tile Should I Use?

The size of ceramic tile you choose can have as much an effect on the appearance of your project as the design and finish. It usually comes down to personal preference, and the trend these days is towards larger tiles. However, there are a couple of points to bear in mind:

Larger tiles will leave a room with less grout lines, thus creating a more streamlined look to a room. It’s common now to use large tiles in some of the smaller rooms in the house. It’s generally agreed that a large tile makes a small area look bigger.

If large tiles are used in a very tight area (e.g. a 1.5 sqm floor in an en suite) it might be the case that almost every tile would end up being cut. We would not recommend installing a 60 x 60cm tile, five tiles of which would be needed, in such a space. The same applies to bathroom walls – it doesn’t make sense to put a 75 cm wide tile in a shower cubicle that is only 80cm wide.

Note that larger tiles tend to need more adhesive for installation. This is because such tiles cannot follow the minor undulations in your walls and floors in the same way that small tiles can. Because of this, all the tiles need to be raised up slightly to meet the highest point, requiring extra adhesive beneath,

In summary: Tile size is a personal choice. Just be mindful that the tile is not so big that it will overwhelm a small space.

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