Q. Do I need to always vacuum a carpet prior to cleaning?
A. If you are positive the carpet has been vacuumed on a regular basis and was just thoroughly vacuumed prior to cleaning, then a pre-vac could be omitted. However, in probably 80% of the cases, a thorough pre-vac with a beater bar unit will be required. Here are the main reasons why this is necessary:
- Pre-vacuuming greatly reduces the overall soil load so the cleaning agents and the cleaning equipment have an easier time of impacting and extracting the soil. This can then increase extraction production rates.
- A beater bar vacuum digs into the pile, dislodging dry soil and lifting the pile. This step stands the fibers erect so the pre-spray has better access to a 360 degree coating of the fibers.
- A thorough pre-vac helps remove impacted soil at the base of the carpet. Once the carpet becomes wet with the extraction process, deeply embedded soils may later wick back to the surface.
- The pre-vac process reduces the incidence of debris plugging up the extraction recovery process. Partially plugged filters, lines, and orifices reduce cleaning efficiency.
Remember: An improved process creates greater efficiency and a cleaner carpet.
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