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CLEENX CARPET AND TILE CARE MONTHLY NEWS

CARE AND CLEANING

 

Facts About Carpet Care, Methods of Cleaning

Deep Cleaning

Daily vacuuming is the most important cleaning activity, but deep extraction cleaning must be performed to remove stubborn or embedded soil. The Carpet and Rug Institute recommends that carpet be dry- or wet-extraction cleaned a minimum of every 12 or 18 months before it shows soiling. Use a cleaning method recommended by the carpet manufacturer to maintain their warranty.

Carpet should receive regular deep cleaning to maintain its good looks. A carpet cleaning professional may be hired or carpet cleaning equipment may be purchased or rented for do-it-yourself cleaning.

The fiber system used should be the primary factor in selecting a cleaning method. The majority of carpet manufactured today is constructed with synthetic fibers such as nylon, polyester, or olefin, and may be cleaned with most cleaning methods.

Natural fibers may require specialized care. Following are general guidelines for these fiber systems:

Wool - Wool fibers may be cleaned using all cleaning methods, although excessive agitation and excessive heat should be avoided. Wool is easily damaged by bleaches and alkalies. Wool should be cleaned with neutral detergents (pH 5.0-8.0) and dried quickly to limit yellowing or browning.

Cotton/Rayon - Cotton and rayon are cellulosic fibers and may be cleaned using all cleaning methods. Most cellulosic fibers are subject to browning if prolonged drying occurs or if alkaline solutions are used. Shrinking may occur if these fibers are over wet. Avoid excessive agitation.

Silk - Silk should be cleaned using a dry cleaning process. These fibers may be damaged by high temperatures, high pH (>9), sunlight, and will lose strength when wet. The cleaning of silk fibers is best left to the carpet cleaning professional.

Sisal and Other Plant Fibers - Plant fibers used in carpet construction, including sisal, cotton, jute, coconut (coir), pineapple, ramie, and hemp, have characteristics similar to cotton. These fibers may be cleaned with all cleaning methods, but dry extraction and dry foam extraction are most often recommended. To limit color change or odor transfer, a pH of less than 7.5 should be used and precautions should be taken to expedite rapid drying. It is best to use a carpet cleaning professional.

There are five accepted methods for cleaning carpet make from synthetic fibers. Rely on the carpet manufacturer's recommendations.  When choosing any cleaning method, select cleaning agents sold especially for stain resistant carpet cleaning, and follow the directions for dilution and application. Never use soap, laundry detergent, automatic dishwasher detergent, or any of the strong household cleaning agents intended for use on hard surfaces such as woodwork, linoleum, or tile. For best cleaning results, always pre-vacuum the area to be cleaned and apply a preconditioning solution prior to cleaning. A precondition solution is a detergent solution applied to the carpet prior to cleaning to begin loosening soil. These solutions typically require 8-10 minutes to begin the soil loosening process.

Absorbent Pad (Bonnet) Method
The absorbent pad method should be used only by a properly trained cleaning professional. The rotary bonnet method uses a machine similar to a floor buffer with an absorbent spin pad attached to remove the soil. The spin pad absorbs soil onto the pad, and soil is removed when the pad is rinsed. To reduce pile distortion, keep the absorbent pad well lubricated with cleaning solution. Replace pad often to prevent transfer of soil back to the carpet face.

Dry Extraction (Polymer Compound) Method
An absorbent compound saturated with detergents and solvents is brushed in and around the fibers with especially-designed machines or brushes. The compound attaches to the soil particles, and both the soil and compound are then removed by vacuuming.

Dry Foam Extraction Method
In dry foam cleaning a detergent solution is whipped into a foam and applied to the carpet. The foam is worked into the carpet by a especially-designed machine with reel-type brushes, followed by wet vacuuming. Some machines have their own extraction capabilities while others need thorough vacuuming after the carpet is dry.

Hot Water Extraction Method
This method is sometimes called "steam cleaning." Areas of heavy use are preconditioned to suspend ground-in soil, then a pressurized cleaning solution is injected into the pile. Suspended soil and solution are immediately extracted. Follow directions carefully and avoid over wetting. Ensure speedy drying by using fans, operating the building air conditioning system (HVAC) in the "on" position, and by performing additional drying strokes.

Rotary Shampoo
The rotary shampoo method uses equipment similar to the rotary bonnet method, except that a cleaning solution is injected onto the carpet before cleaning or through especially-designed brushes. Never use a do-it-yourself machine designed for hard surface floor covering with counter rotating (rotary) brushes. Pile distortion or untwisting of the fiber can occur.

Do-It-Yourself Cleaning

Do-it-yourself cleaning may be an economical choice between professional cleanings. For any do-it-yourself cleaning method, the following points are critical.

  • Always pre-vacuum to remove as much dry soil as possible.
  • Follow instructions carefully!

Consider the following precautions when selecting a wet cleaning method.

  • Remove furniture from the room before cleaning or, if impractical, place plastic film under and around the legs of chairs, tables and other furniture to prevent rust or furniture stains from developing on the carpet.
     
  • Use only the recommended cleaning solution strength. Stronger than recommended solutions may cause accelerated re-soiling. Rinse all detergent from the carpet to prevent accelerated re-soiling.
     
  • Do not over wet the carpet. Over wetting may cause separation of the backing, separation of the seams, shrinkage, discoloration, and odor.
     
  • The carpet should be dry within 12 hours. Provide proper ventilation or use fans to quickly dry the carpet and exhaust any existing solution-related fragrances.
     
  • Allow the carpet to dry completely before walking on it.

Professional Cleaning Services

Consider the services of a carpet cleaning professional before your carpet and rugs begin to show soil. Allowing carpet and rugs to become excessively soiled will make cleaning more difficult and will shorten its useful life.

Recommendations can be obtained from satisfied friends, carpet retailers, the Better Business Bureau, and local business groups for reliable, certified cleaning professionals in your area. Choose a carpet cleaning professional who is properly trained for the following services. Prior to using these services, you may wish to contact the carpet manufacturer to prevent voiding warranties.

  • Carpet Re-dyeing (color repair)
     
  • Fire and Water Damage Restoration (For water damage follow guidelines in the IICRC Standard and Reference Guide for Professional Water Damage Restoration S500-94)
     
  • In-plant Cleaning (for rugs)
     
  • Odor Control (nuisance odors such as: mildew, tobacco, and pet)
     
  • Repairs, Re-stretching, Reinstalling
     
  • Spot Removal
     
  • Topical Treatments (soil-removal and stain-resist treatments)
     
  • Allow the carpet to dry completely before walking on it.

In order to determine the amount and type of cleaning services needed, have a representative of the cleaning firm come to your home to make a visual inspection. The cleaning professional can inspect the carpet for problem stains or excessively soiled areas that may require additional attention. Obtain a written agreement for all work to be performed. Under normal circumstances there should be no extra charge for activities, such as moving furniture, preconditioning, and routine spot and stain removal.

Beware of pricing that is "too good to be true." Professionals charge only for services that are authorized in writing before cleaning begins. Most cleaning is based on the total number of square feet to be cleaned. Many firms do have cleaning specials; however, pricing by the room or low prices quoted over the phone may have hidden restrictions or mandatory add-ons. A reliable firm will tell you the steps that they are going to use to clean your carpet and provide a written agreement before the work is started. Should you question the need for any required add-ons, contact the carpet manufacturer for assistance.

While your carpeting may not require the regular cleaning that other types of flooring demand, your carpet should be professionally cleaned once every year to 18 months, even if you vacuum regularly. Professional carpet cleaning extends the life of the carpeting and contributes to better air quality, reducing allergies and illness.

Do-It-Yourself Carpet-Cleaning Damage

Ideally, your carpet should be professionally cleaned. However, to save money, many people alternate between the do-it-yourself cleaning and professional cleaning. While the do-it-yourself approaches are far less expensive, they are almost never as effective as professional cleaning and involve a considerable amount of time and hard work. Depending on the method used, it is also easy for the novice to damage the carpet.

Beware of the three most common ways do-it-yourselfers (and inexperienced pros) damage carpets:

  • Over-shampooing
     
  • Over-wetting
     
  • Failing to protect the wet carpet from furniture

Over-shampooing occurs when either too much shampoo is used or the carpet is not adequately rinsed. Both are practically inevitable with some wet do-it-yourself approaches. This is the biggest reason why even hard-core do-it-yourselfers should occasionally use a professional. If they don't, the build-up of soapy residue can be impossible to clean out, leaving a carpet that is a virtual dirt magnet.

Over-wetting occurs when too much water soaks into the bottom of the carpet. Some backing materials cause the carpet to discolor if they get too wet. Some carpets will shrink, literally tearing themselves up from the floor. If the backing and pad get wet, it is very difficult to dry them, and you run the additional risk of mold and mildew problems.

The final carpet-cleaning hazard is stains caused by furniture coming into contact with wet carpeting. Many kinds of wood furniture will release some of the dyes in their stain if left in contact with a wet surface. Many pieces of furniture have feet that are at least partially metal. The metal can rust, leaving a stain in the carpet.

Do-it-yourselfers are more likely to encounter these problems because they often don't remove all the furniture from the room when cleaning, and they often don't have ready access to the foam blocks and foil-backed cardboard squares that the pros use to keep the furniture off the carpet until it is dry.

Professional Carpet-Cleaning Methods

One carpet-cleaning method, dry extraction, isn't technically a "dry" procedure; it's more a "moisture-controlled" process. That is, it applies a controlled amount of moisture to clean the carpet and still leave it dry. This process is similar to the do-it-yourself "dry" method, but the equipment is larger and much more thorough.

Though it uses the same cleaning chemicals, the dry process alters the amount of chemicals used and how they're applied. A machine with two counter-revolving brushes moves the cleaning agents through the carpet's material. The cleaner supplies enough liquid to dissolve the dirt, then re-absorbs the soil and liquid, which leaves the carpet dry for vacuuming and immediate use.

Some carpet-cleaning professionals spray a carbonated cleaning solution onto the carpet. The carbonation allows the cleaning agents to get to the carpet fibers with minimal wetting. The solution doesn't contain the oil or detergents that typically leave a dirt-attracting residue. Dissolved dirt is removed with a machine that rubs soft cotton pads over the carpet.

When compared to wet systems, this method may not get as much of the deeper dirt out, but is very effective at cleaning the visible portion of the carpet. It does this without the risks of residue or over-wetting. Many businesses use this system because the carpet is usually dry and ready for traffic within an hour.

Otherwise, professionals use methods similar to do-it-yourself approaches, with two important differences. First, pros do this all day every day, and that experience helps them realize the maximum cleaning potential of each system and avoid the hazards of each.

Second, pros usually use much more powerful and sophisticated equipment and cleaning agents. Because they know what they're doing, they can use all that extra power without succumbing to the risks that power entails.

For example, on heavily soiled carpet a professional might first use a power shampoo system and then follow it with hot water extraction. There is equipment that does both in one pass. Often, the vacuums used in hot water extraction systems are extremely powerful and are mounted on a truck that is parked in front of the home.

Professionals have two other advantages as well. First, they're accustomed to moving the heavy furniture. Second, they usually know a lot more about how to handle specific challenges like heavily soiled areas and stains.

Carpet Stains and Carpet-Cleaning Extras

Carpet stain removal: Some firms include stain removal in the base price. Other firms charge extra for highly soiled areas or for individual stains. Ask about this up front.

Carpet pretreatment: Most wet-cleaning results can be improved by spraying a cleaning agent on the carpet a few minutes before cleaning. The chemicals help dissolve grease and oils so that the final cleaning extracts even more dirt. For some firms this is standard procedure; others may charge extra by the square foot or room. Be sure to ask.

Soil retardants: Most carpets are now factory-treated with a coating that helps the carpet fibers shed water and spills. The key is cleaning up the spills quickly. Once a carpet is five years old or so, you may need to have it retreated, at least in the high traffic areas.

The easiest way to check whether carpet re-treatment is necessary is to place a few drops of water on the carpet in the questionable areas and see whether the drops bead up or are absorbed quickly into the fibers. If they are absorbed, it's time to retreat the carpet.

The best re-treatment chemicals (and usually the only ones recommended by the manufacturers) are fluorochemical based. Scotchgard or any treatment containing Dupont's Teflon are made from this material. The treatment should take place after cleaning and, for best results, should be gently brushed into the carpet while it is still damp.

Deodorizing and pet odor treatments: Most of the possible carpet odor reduction that can be accomplished will be accomplished by the cleaning itself. Many odors come from mold, mildew, or urine that has penetrated the carpet backing and pad. There is no practical way to get at the source without damaging the carpet through over-wetting.

Applying an anti-microbial agent (see below) will help slow the return of mildew and mold. Other than that, "deodorizing" is really nothing more than masking the odor with some stronger and more pleasing scent. Carpet perfumes have only a temporary effect and may be irritating to some people.

Anti-microbial treatment: The cleaning itself will kill most mold, mildew, yeast and other microbes, but it is practically impossible to kill all of them. The anti-microbial treatment creates a hostile environment for these microbes to reproduce and spread and will help control odor problems, extend the carpet's useful life, and provide considerable relief to allergy sufferers.

Anti-static treatment: Static electricity often becomes annoying in the winter, when heating systems dry out the air in our homes. Carpet manufacturers have responded by developing new finishes, fibers, and backings that prevent the build-up of static electricity. If you are having a problem with your carpet, the easiest, best, and healthiest remedy is to increase humidity with a humidifier.

Once the relative humidity gets above about 40 percent, the static problem disappears. There are several treatments and finishes that can be applied that reduce static electricity, but nearly all act as soil magnets, greatly speeding up the rate at which your carpet gets soiled.

Call Cleenx Carpet and Tile Care Today, To Schedule An Appointment.


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