Please find some useful information about carpet cleaning below, If you require carpet, upholstery, rug or leather cleaning in Belfast, Bangor or surrounding areas please contact us 07902 761163 for advise and a free competitive quote.
Hot water extraction vs steam cleaning
Although there is an industrial cleaning process that is in fact steam cleaning, in the context of carpet cleaning, “steam cleaning” is usually a misnomer for or mis-characterization of the hot water extraction cleaning method. The hot water extraction cleaning method uses equipment that sprays heated water (not steam), sometimes with added cleaning chemicals, on the carpet while simultaneously vacuuming the sprayed water along with any dislodged and dissolved dirt. Many carpet manufacturers recommend professional hot water extraction as the most effective carpet cleaning method. Actual steam could damage man-made carpet fibers or shrink natural fibers such as wool.
A variety of hot water extraction carpet cleaning equipment is available, with less expensive equipment marketed for purchase or rental by homeowners, and more expensive equipment used by professional carpet cleaners. The more expensive commercial equipment may employ a rotating high pressure spray and extraction disc. This allows the equipment to achieve many spray-extraction cycles independent of the forward or backward motion of the machine.
Hot water extraction carpet cleaning equipment may be a portable unit that plugs into an electrical outlet or a truck mount carpet cleaner requiring long hoses going from the truck or trailer to the room requiring cleaning. Truck mounted equipment is advantageous where electricity is unavailable (e.g. for cleaning premises where the electrical service was terminated when the premises were vacated by a departing tenant.) Truck mount carpet cleaning may be unsuited to premises distant from a driveway or road, and hoses may need to pass through windows to reach upper floors of a building. Hoses needed for truck mount and professional portable carpet cleaning may present an inconvenience or tripping hazard to users of hallways, and pets or children can escape through doors that must be left ajar for hoses. Heated or air conditioned air will also escape from buildings when doors are left open for hoses. This could create a significant waste of energy in some climates. While truck mounted carpet cleaning equipment minimizes noise in the room being cleaned, truck mounted carpet cleaning equipment may cause noise and air pollution offensive to neighbors and may violate anti-idling bylaws in some jurisdictions. However truck-mounted cleaning is much faster than portable equipment and extra heat and power can give better results and faster drying times.
In high-pressure hot water extraction (“steam cleaning”), after preconditioning, with alkaline agents such as ammonia solution for synthetic carpets or acidic solution (such as vinegar solution) for woolen carpets, and agitation with a grooming brush or an automatic scrubbing machine, a pressurized manual or automatic cleaning tool (such as a wand) passes over the surface several times to thoroughly rinse out all preconditioner, residue, and particulates. If an alkaline detergent is used on a woolen fibre, use of an acetic acid solution will restore neutral fiber pH. The acid rinse thus neutralizes the alkaline residues, and can contribute to softening cleaned fabrics.
The hot water extraction (aka steam cleaning) method is the preferred method of the major carpet manufacturers. You can always call the manufacturer to see what they recommend as the best way to care for your carpets. Hot water extraction actually removes soil from carpets, while dry methods just push the soil into the carpet. Some carpet-cleaning solutions are carbonated to dissolve organic material more effectively. Beyond these treatments, antistaining and antisoiling products can be applied by the carpet owner, and have for this reason become recognized in the carpet-cleaning industry as some of its biggest profit centers.
Extraction is by far the most important step in this process. Since the hot-water extraction method uses much more water than other methods like bonnet or shampoo cleaning, proper extraction and air flow are critical to avoid drying issues. Drying time may also be decreased by extra use of fans, air conditioning, and/or outdoor ventilation.
Older surfaces, such as double jute-backed carpets and loose rugs with natural foundation yarns, could shrink after a wet treatment, leading to suppositions that wet-cleaning could also remove wrinkles. However, this notion is antiquated and this method could also occasionally tear seams or uproot strips. Newer carpets, such as with synthetic backing and foundation yarns, do not shrink, and they smooth easily; in such carpets, wrinkles indicate an underlying problem, such as adhesive, that may need a certified carpet inspector to determine.
Wet-cleaning systems naturally require drying time, which has led to customer fears and concerns about very slow drying, the risk of discoloration returning during drying, and odors, bacteria, fungi, molds, and mildews. Balancing the need for rapid drying (attributable to lower flow rate through the cleaning jets of a spray system) and the need to remove the most soil (attributable to higher flow rate) is a key technique that must be mastered by carpet-cleaning technicians.
Pretreatments similar to those in dry-cleaning and “very low moisture” systems are employed, but require a longer dwell time of 15 to 20 minutes, because of lower amounts of carpet agitation. Ideal pretreatments should rinse easily and leave dry, powdery, or crystalline residue that can be flushed without contributing to re-soiling.
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