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Wear Ratings (also called PEI ratings) refer to the durability and resistance of a tile’s surface to wear and abrasion.
When selecting tiles for your project, it’s essential to understand the concept of Tile Variation.
Slip rating is a crucial factor to consider when selecting tiles, especially in areas prone to moisture
The Pendulum Test is a widely recognized method for assessing the slip resistance of tiles.It is also important to do this test.
The Oil-Wet Ramp Test is a method used to measure the slip resistance of tiles in environments where oil or grease may be present
The Barefoot Wet Ramp Test is a standardized method used to evaluate the slip resistance of flooring materials
Wear Ratings (also called PEI ratings) refer to the durability and resistance of a tile’s surface to wear and abrasion. This rating system helps determine the best use for a particular tile based on how much foot traffic or wear it can handle. These ratings are crucial when selecting tiles for various spaces, such as homes, commercial areas, and industrial sites. The rating system was developed by the Porcelain Enamel Institute (PEI), and it ranges from PEI Class 0 to PEI Class 5, with higher numbers indicating higher durability. Here’s a breakdown of the wear ratings:
| Wear ratings | Class 0 to Class 5 |
|---|---|
| Class 0 | No foot traffic, wall use only |
| Class 1 | Very light traffic, bathrooms |
| Class 2 | Light traffic, residential |
| Class 3 | Moderate traffic, residential |
| Class 4 | Moderate to heavy traffic, commercial |
| Class 5 | Heavy traffic, industrial/commercial |
When selecting tiles for your project, it’s essential to understand the concept of Tile Variation. Tile variation refers to the differences in color, texture, and pattern between individual tiles within the same batch. These variations can range from uniform, where every tile looks nearly identical, to highly diverse, where each tile may have distinct differences. Knowing the variation level can help you choose the right tile for your design goals, ensuring the aesthetic you want is achieved. Tile variation is typically categorized into four levels, ranging from V0 to V4:
| Variation | Description |
|---|---|
| V0 | tiles are uniform, providing a seamless look |
| V1 | tiles exhibit slight, almost imperceptible differences for a consistent appearance. |
| V2 | tiles show noticeable variation within the same color family, adding a natural touch. |
| V3 | tiles have moderate differences in color and texture, offering more visual interest. |
| V4 | tiles present substantial variation, creating a bold and dynamic look. |
The Oil-Wet Ramp Test is a method used to measure the slip resistance of tiles in environments where oil or grease may be present. This test evaluates the tile’s ability to maintain traction when exposed to lubricants, simulating conditions often found in commercial kitchens, restaurants, and industrial settings. During the test, a ramp is covered with a specific amount of oil, and a standardized testing device is used to determine the slip resistance of the tile. The results are classified into R ratings, ranging from R9 to R13, with each rating indicating the level of slip resistance in oily conditions.
| R Rating | Classification | Recommended Use |
|---|---|---|
| R9 | Low Slip Resistance | Suitable for dry areas; not recommended for wet or oily surfaces. |
| R10 | Moderate Slip Resistance | Recommended for areas exposed to minimal oil, such as residential kitchens. |
| R11 | Good Slip Resistance | Ideal for commercial kitchens and light industrial areas. |
| R12 | High Slip Resistance | Suitable for heavy-duty environments, including industrial kitchens and food processing areas |
| R13 | Very High Slip Resistance | Recommended for extremely demanding environments, such as factories and outdoor areas prone to oil spills. |
The Barefoot Wet Ramp Test is a standardized method used to evaluate the slip resistance of flooring materials, particularly tiles, when wet. This test simulates real-world conditions where individuals may walk barefoot on wet surfaces, such as in swimming pools or bathrooms. The primary goal is to assess the safety of the tiles under wet conditions to prevent slips and falls. The test involves using a ramp that is coated with water and an individual who walks barefoot up the ramp. The angle at which the individual can walk without slipping is measured, providing a quantitative assessment of the tile’s slip resistance.
