Tarr Rating For Carpet
This is especially important because it ensures quality.
Tarr rating for carpet. There are three basic categories for tarr based off of 12 000 cycle hexapod. Tarr tests a carpet s ability to remain tufted and retain its original shape after being properly installed and maintained in commercial setting. The weight of the face fiber of the carpet is measured in ounces. The carpet and rug institute cri developed a model that classifies carpet using a texture appearance retention rating tarr.
Moderate 2 5 tarr. In addition to tarr keep in mind the density of the carpet. Use and minimum carpeting texture appearance retention ratings tarr for particular areas of use. Each category is designed to reflect a different level of foot traffic and use.
Moderate at the bottom of the scale heavy and severe at the top. Heavy which needs a carpet with tarr greater than or equal to 3 0. A moderate heavy severe or special end use classification is established for each application based on the. This model is based on simulated wear tests and provides a rating for different levels of traffic.
Severe which needs a carpet with tarr greater than or equal to 3 5. This is not the same thing as the weight of the face fiber. Tarr ratings are ranked as moderate heavy and severe. The cri recommends the following scale for tarr.
The density refers to the spacing of the fibers within the carpet backing. Moderate which needs a carpet with tarr greater than or equal to 2 5. Density of carpet fibers. Mannington commercial is the only flooring manufacturer that only sells carpet with a tarr rating of 3 5 or greater.
Understand the classification and texture appearance retention rating tarr guidelines cri developed a model specification process that classifies areas of intended use and minimum carpeting texture appearance retention ratings tarr for particular areas of use. These classifications categorize commercial carpet s ability based on anticipated frequency and intensity of foot traffic exposure. The tarr classification typically puts carpet tiles into one of three usage categories.