When selecting carpeting, consider the "performance rating,” type of fiber and the padding.

The “performance rating” is based on three factors:

·         Weight

·         Twist

·         Density

Weight

The lowest weight allowed by law is 24 ounces. The general standard is 25 to 29 ounces. The weight can go as high as 35 ounces. But fibers that are too heavy may have difficulty springing back; those too heavy and too tall require more maintenance.

Twist and Density

The twist is the number of turns for very one-inch length of carpet yarn. The density is the measure of how close together the fibers are tufted into the carpet backing. In both cases, the higher the number, the higher the quality.

If you're looking at carpeting in the same category or comparing between two, the performance rating should be indicative of how it will perform in most situations with good care.

The Fiber

Nylon is the most common carpet fiber used and is considered tough and soil resistant. Polyester is the softest fiber, absorbs color well and is less expensive than nylon. Plush or textured carpet usually is made of nylon or polyester.

Olefin is a strong fiber often used to make berber carpet. Wool is the most expensive fiber and is considered a custom renovation option.

Fiber can be constructed in two ways-noncontinuous and continuous fiber filaments. Continuous filament has a clearly defined finish and is less likely to pill or fuzz. It typically will wear better and look better for a longer time.

Padding

The padding that goes under your carpet is an important consideration, as it adds insulation, and can increase your comfort and the lifespan of the carpet.

Four to six pound padding and a 3/8- inch thickness is considered standard. If you're only going to stay in your house a few more years, the standard padding might be fine.

While upgrading the padding can add more cushion to your step, don’t go too thick. A thicker padding can damage the carpet yarns by forcing them to bend too much.