| Carpet manufacturers recommend any of | | | | method is often called "dry cleaning" |
| the five commonly used professional | | | | since virtually no water is used. This |
| carpet-cleaning methods dry absorbent | | | | method uses a dry absorbent compound |
| compound, dry foam extraction or carpet | | | | that contains containing small amounts |
| shampooing, hot water extraction, rotary | | | | of water, detergent, and solvent. This |
| bonnet, and rotary shampoo. | | | | compound is sprinkled over the carpet or |
| Carpet shampooing is a very popular | | | | worked into the carpet with a machine. |
| method used to clean carpets. This | | | | The liquids in the solvent dissolve the |
| method uses a lot of foam generated by a | | | | dirt particles. This is then absorbed |
| shampoo. This foam is allowed to dry, | | | | into the carrier and then vacuumed up. |
| and the resulting residue is left on for | | | | Heavily soiled areas are often |
| a day. The residue and the soil | | | | pretreated with a detergent spray. It is |
| particles that it has attracted are | | | | very essential to vacuum the carpet |
| vacuum cleaned the next day. | | | | before and after the cleaning. |
| Good quality carpet shampoos must have | | | | Hot water extraction or steam extraction |
| very high foam levels to reduce wetting, | | | | is the only cleaning method classified |
| very stable foam, high lubricity to | | | | as "deep cleaning". All the others |
| reduce damage to the carpet fibers from | | | | methods perform only ?light surface |
| the brushes and the ability to dry to a | | | | cleaning" because they are incapable of |
| non-sticky residue. | | | | removing soil deep in the pile. All |
| Carpet shampooing is done using any two | | | | other methods leave a lot of residue in |
| processes cylindrical foam and rotary | | | | the carpet after cleaning. This method |
| shampoo. It is the removal of foam that | | | | uses a fine spray of water to force dirt |
| differs in both the methods. Most | | | | out of the carpet. This dirt is sucked |
| carpet manufacturers discourage the use | | | | up by the vacuum slot immediately in |
| of the rotary method as it damages most | | | | front of the spray. Special vacuuming |
| residential carpets. | | | | machinery is needed for this kind of |
| The other popularly used carpet cleaning | | | | cleaning. |