Carpets that rate 2.5 or lower should only be used with light traffic areas, such as bedrooms. Choosing carpet based on the type of traffic it will receive can help you save a lot of money down the road, although you should buy carpet suited to your needs and requirements. The highest quality of carpet you can buy is carpet made of wool. Pretty much the same with carpets, the installation of tiles is very important. They must be installed on hard surfaces, such as stone, cement, or ceramic tile. The surface has to be smooth and clean, so the adhesives will last and your floor will have a well finished look. The carpet tiles will normally have cushion or padding already installed, which will reduce the cost and extend the life of the carpet. The second method involves a free rinse emulsifying pre-spray being sprayed onto the entire carpet, then agitated into the fibers. Steam cleaning procedures 1. Prepare the equipment and supplies. In a pump or power sprayer you should mix the free rinsing pre-spray. In the solution tank of the extractor, mix the rinsing agent. Polyester The fiber of polyester was first introduced into the garment industry around in the 1950s. By the late 1960s, polyester was introduced into the carpet industry as a face yarn. In hand, feel, and appearance it is similar to nylon, although it doesn't possess that same resiliency. Polyester doesn't absorb water based spills, isn't affected by urine or kool-aid, but it will absorb oil based spills. Shading, crushing, and matting A lot of traffic on the surface of the carpet will cause it to flatten, which may give some types of carpet a shaded appearance. If this happens, you should brush and vacuum the area. If you can't fix the problem, you may need to hire a professional, as this can sometimes be very tricky. This is actually considered new carpet, as samples aren't considered to be used. You can buy samples of carpet for .25 cents a piece at closeout sales or at your local hardware or carpet store. Depending on the size of the room you are looking to carpet, how many samples you'll need will vary. You'll also need staples as well, which cost around a dollar or so.