Different wall and floor tiles have different hardness and slip resistance ratings. Floor tiles vs wall tiles should be resistance against pressure. Evaluation of Friction Coefficient (COF): Tiles for the floor and walls can be selected based on their COF rating. Each ceramic and porcelain tile has a specific COF rating. You need only a small amount of contact between your feet and the tiles on the floor for safe footing. 1 The coefficient of friction (COF) is measured in units of force per unit area, with larger values indicating more friction. Wall tiles are often actually constructed of glass due to the fact that they can be cut and polished like glass and friction is not an issue if stretching is not a concern. The PEI Rating is the secondary factor in determining the hardness and durability of a material (China Enamel Association). The Porcelain Enamel Institute (PEI) publishes five rating classes that can be used by tile manufacturers (PEI). 
There is very little foot traffic in Class 1 areas, whereas there is a lot of it in Class 5 areas, such as those seen in commercial settings. A PEI rating is often included in the specifications of each tile to help identify its intended application. You need to know your stuff if you want to buy tiles for your walls or floors. A smart buyer may find a wealth of information about the kind of tiles they are considering buying on the websites of tile producers and dealers. Most sites distinguish between COF and PEI ratings in the specifications section. On the other hand, there are companies that further assist customers by classifying tiles based on COF and PEI ratings. Businesses also help further subdivide these groups. Wall tiles can be classified by their COF (Coefficient of Friction) or PEI (Porcelain Enamel Institute) rating. Manufacturers often refer to these as "wall tiles" for simplicity. Tiles with a COF of 0.50 or above can be used as interior flooring. Pavement tiles used outside have a much greater coefficient of friction (0.60). A tile with a PEI rating of 3-5 is suitable for use as a floor tile. These tiles are commonly advertised as "wall and floor tiles." 
Decorative ceramic or porcelain wall tiles are often smaller than floor tiles, yet they seem the same from a distance. Wall tiles are often very small and lightweight due to their high visibility and the challenges of tiling vertical surfaces. As an example of the strictness of these dimensions, 18-inch square tiles are often not allowed for walls despite their durability and sleek appearance. Those in the market for new floor tiles can choose from squares measuring up to 18 inches by 18 inches. The popularity of extra-large format tiles has caused huge sizes to become the norm. There is an exception if the floor is covered with sheets of mosaic tile. Tiny tiles have adhered to the mesh backing sheet. The typical one-inch hexagonal mosaic tile is utilized on bathroom flooring. For both walls and floors, there is a dizzying array of options, leaving no clear frontrunner. While ceramic floor and wall tiles both have a uniform appearance, you may have more creative freedom with wall tiles by using thinner tiles and a wider variety of colors and patterns. The water resistance of ceramic and porcelain wall tiles is similar to that of floor tiles. In contrast, the wall tiles aren't quite as thick, therefore they could not withstand high temperatures well when used as a countertop material. 
Putting floor tiles on countertops instead of wall tiles is a good way to increase their heat resistance. However, it cannot be mounted on either a wall or a floor. Flooring tiles are somewhat more resistant to heat than wall tiles, making them a better option for high-traffic areas like kitchen countertops. When it comes to water resistance, wall tiles and floor tiles are pretty much on par with one another. Similar care is needed for the floors as is required for the walls. Tiles may be easily cleaned with just soap and water. Grout between tiles should be kept clean, and replaced every few years if it gets cracked or discolored. Using wall tiles on floors is not a good idea since they are more likely to crack due to the constant pressure from shoes. They are dependable and low-maintenance, making them ideal for wall display. Because of their durability and increased thickness, floor tiles can be used in place of wall tiles everywhere they are laid. Thicker, stronger, and more durable floor tiles only benefit floor installations. When applied to walls, the two tile types perform similarly in terms of durability. 
It is possible to lay tiles on either the floor or the walls of a room. Install the cement backer underlayment flush against the studs in the wall or floor before you begin laying any flooring or tiling. This step must be completed before any flooring or tiling can be laid. A small layer of glue and a notched trowel are both utilized in the process of attaching the tiles to the backboard. After the grout or mortar has had time to dry and become firm, the spaces between the tiles may be filled with it and then the tiles can be sealed. Due to the fact that wall tiles are so thin, it is not difficult to make exact cuts in them. Because of their greater thickness, ceramic floor tiles are somewhat more challenging to cut than ceramic wall tiles. It is advised that you use a wet chainsaw in order to cut through these thick tiles. Wall tiles that are light and thin are easier to deal with and cut to the desired size. Although they may also be laid horizontally, floor tiles are often hung on the wall vertically since this is the most stable and secure manner. However, tiles shouldn't be utilized elsewhere other than on the appropriate flooring. There is a possibility that a tile might last for up to seventy-five years if it is properly prepared, grouted, and maintained. It is more probable that you will decide to replace your tiles because you don't like the way they look than because the material itself is worn out. 
However, if the tiles on the walls are not securely fastened to the flooring, they are prone to breaking. It is anticipated that floor tiles, which are composed of a material that is both more robust and more long-lasting, would outlast their wall counterparts. In point of fact, though, each one of these substances may last a lifetime. When laid correctly, tiles have a long lifespan, regardless of whether they are used as flooring or walls. Tiles, on the other hand, provide a number of advantages, regardless of whether they are utilized as flooring or worktops. Checking the COF Friction Rating and Hardness Rating (PEI) of the floor tiles is the one piece of advice that sticks out as particularly essential in terms of its importance. This is done to verify that the floor tiles are acceptable for the usage that is planned for them. Although any tile can be used for the walls, it is absolutely necessary that the floor tiles be appropriate for their intended use.
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