Carpet Par Rating Definition

Heavy change a result of 2 or more is needed to pass and a.

Carpet par rating definition.

For most areas of the home carpet pads should have a minimum density rating of 6 and be around 3 8 to 1 2inch thick but opt for a slightly thinner and more dense pad around 8 for high traffic areas like stairs and be sure to choose a purpose specific pad if you are carpeting over heated flooring. After testing the carpet is given a rating on a scale of 1 5 with 5 being the best result. The par carpet rating system was created by shaw industries and designates a number from one to five rating a carpet s durability based on a typical family of four scenario. A cushion with an r value of 2 and a carpet with an r value of 1 would have an r value of 3 for the composite.

It s determined by the carpet manufacturer and it s usually a 1 5 rating system. After vigorous industry standard wear simulating 20 000 foot traffic the worn carpet is compared to an unworn piece to determine how the piece has changed. The density rating is determined by pile yarn weight pile thickness and pile height. Since the rating is created by the same company selling the carpet it s in your best interest to not put too much stock in it.

When you re evaluating carpet for possible use in your facility three key terms to understand are gauge twist and resiliency. Having explained the science how can this information help make sound floor covering decisions in terms of energy. Par or performance ratings performance appearance rating is a 1 5 scale that rates how well a carpet will perform over time. These ratings take into account the total of the carpet and not just how the face fiber will perform but they do not reflect any other variables such as staining maintenance and poor installation.

Wear rating durability rating wear rating is a subjective measure of how long the carpet will last. Think of it like a densely wooded forest where the trees are thick and packed closely together. Dig your fingers into the pile of the carpet. What does par rating mean for carpet.

The pile density rating is the key to carpet durability. For example carpet with a 4 0 tarr will retain its original new texture appearance longer in various traffic conditions than carpet with a 3 0 rating.