The carpet with the typical household should be cleaned every 12 - 18 months depending on the number of people living there and the amount of traffic that walks on the carpet. Professional carpet cleaners It is in your best interest to use professional cleaners simply because their experience will enable them to do a much better job than you can do yourself. Safety Carpet offers a slip resistant surface that will prevent accidents along with a natural cushion in the event of someone falling. For young children and the elderly, this is very important. Reduction in sound Carpet will also reduce noise better than any other type of flooring. Carpet works to dampen noise in three ways: 1. Vegetable and protein fibers share the common disadvantage that they are both very absorbent and will have extended drying times when wet cleaned - which can lead to mildew, shrinkage, and even dry rot. Wool Wool fiber is produced from the fleece of lambs or sheep. Wool of carpet is imported from countries such as England, Australia, and New Zealand. 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. Wool carpets are very expensive, although you'll reap the benefits over years of use as wool will easily out perform any man made carpet. 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. Olefin is a low cost carpet material, often used for indoor or outdoor carpeting. Olefin is colorfast and strong, very easy to clean. One of the draw backs to olefin is that it can easily be crushed. Another consideration you'll have is the color and patterns of the carpet. Light carpeting colors help to create a spacious effect, making the room appear to be larger.