Types of Carpet Backing

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Most carpets are punched through one backing with a series of needles, and the carpet backing that is visually seen is used to hold the fiber between the primary and secondary backing with latex glue. The more expensive carpets use a better quality latex and carpet backing to ensure a long lasting installation.

Action-Bac

  • Action-Bac carpet backing is a stretchable carpet backing made of a web or weave of plastic. Carpeting with Action-Bac backing, when wet, often stretches to the point where, even after drying, it appears loose or baggy. Use Action-Bac carpet backing in a room that is not prone to high humidity.

Moisture Barrier

  • Moisture barrier carpet backing is commonly composed of solid vinyl or urethane with the main purpose of keeping water-based spills from seeping through the carpet. While this is a positive aspect to this carpet backing, there is one downside; moisture sometimes become trapped, preventing proper evaporation and causing damage to the concrete and the glue.

Polyurethane

  • Polyurethane carpet backing is actually a polymeric resin applied during the finishing process. During curing, it reacts and creates a foam-like texture. This type of carpet backing encases the yarn, giving it extra tuft bind as well as a cushion. In addition, it also acts as a water repellent to create a moisture barrier.

References

  • Photo Credit carpet close up image by isatori from Fotolia.com
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