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Historic Preservation - Technical Procedures

Spectitle:

Spot Cleaning Stains On Carpeting

Procedure code:

0968001R

Source:

Internet - Msa Industries

Division:

Finishes

Section:

Carpeting

Last Modified:

02/24/2012

Details:

Spot Cleaning Stains On Carpeting



SPOT CLEANING STAINS ON CARPETING


PART 1---GENERAL

1.01 SUMMARY

    A.   This procedure includes guidance on spot cleaning some
         common stains on carpeting.  NOTE:  Not all stains can be
         completely removed.  Sometimes cleaning can only improve
         the appearance.

    B.   See 01100-07-S for general project guidelines to be
         reviewed along with this procedure.  These guidelines
         cover the following sections:

         1.   Safety Precautions

         2.   Historic Structures Precautions

         3.   Submittals

         4.   Quality Assurance

         5.   Delivery, Storage and Handling

         6.   Project/Site Conditions

         7.   Sequencing and Scheduling

         8.   General Protection (Surface and Surrounding)

         These guidelines should be reviewed prior to performing
         this procedure and should be followed, when applicable,
         along with recommendations from the Regional Historic
         Preservation Officer (RHPO).





PART 2---PRODUCTS

2.01 MANUFACTURERS

    A.   E.I. duPont de Nemours & Co., Inc.
         1007 Market Street
         Wilmington, DE  19898
         800/441-7515

2.01 MATERIALS

    NOTE:  AVOID USING CLEANERS/CHEMICALS WHICH HAVE A HIGH PH
    (>10).  THESE CAN CAUSE DAMAGE TO THE CARPET FIBERS.

    A.   Neutral pH liquid detergent (MUST NOT CONTAIN BLEACH)

    B.   Household ammonia

    C.   Household vinegar

    D.   Commercial spotter such as "Resolve Carpet Cleaner" (E.I.
         duPont de Nemours & Co., Inc.), or approved equal.

    E.   POG - Paint, oil and grease remover - available in
         hardware stores.

    F.   Clean, potable water

    G.   Ice cubes

    H.   Clean, soft, white cotton cloths (terry is a good choice
         because it is very absorbent).

2.02 EQUIPMENT

    A.   Plastic spatula


PART 3---EXECUTION

3.01 EXAMINATION

    A.   Verification of Conditions: Always pretest cleaning
         methods in an inconspicuous area.

3.02 ERECTION, INSTALLATION, APPLICATION

    NOTE: Treat spills and stains as soon as possible, otherwise
    they will be more difficult to remove.  Blot up spills with
    clean, white absorbent materials.

    A.   Remove solid, built-up materials with a spatula, or edge
         of a dull knife.

    B.   For unknown stains, clean with warm water and a
         professional detergent spotter.  For known stains, see
         specific procedures outlined below.

    C.   For water-based stains such as tea, coffee, blood, urine,
         fruit juices, soft drinks, beer and wine.

         1.   Apply a small amount of neutral pH dry cleaning
              solvent to a clean white, cotton cloth.

         2.   Blot the stained area with the treated cloth.  DO
              NOT SCRUB.  Allow to dry.

         3.   Repeat the process of cleaning and blotting until
              the stain is removed.

         4.   If stained area appears brownish in color after
              drying:

              a.   Mix 1/3 cup white vinegar with 2/3 cup water.

              b.   Apply a small amount of solution to a clean,
                   white cotton cloth.

              c.   Blot the discolored area with the treated
                   cloth and allow to dry.

              d.   Repeat application ONCE ONLY, if necessary.

    D.   For Chewing Gum:

         1.   Put ice cubes in a plastic bag and place over gum.
              Allow to sit until gum becomes brittle.

         2.   Scrape off hardened gum using a dull knife or
              plastic spatula.

         3.   To remove any remaining residue, apply a commercial
              spotter to a clean, white, cotton cloth, blot the
              affected area and allow to dry.

    E.   For India Ink:

         1.   Apply a commercial spotter to a clean, white,
              cotton cloth and blot the stained area.

         2.   Next, apply a paint, oil and grease remover the
              same way.

         3.   Blot the area with a clean, white, cotton cloth.
              DO NOT SCRUB.

         4.   Apply commercial spotter again, and blot as above.

         5.   Mix 1 teaspoon of neutral pH liquid detergent with
              1 cup warm water.  Apply mixture to a clean, white,
              cotton cloth, and blot stained area as above.

         6.   Mix 1 tablespoon of clear household ammonia with
              1/2 cup water.  Apply mixture to a clean, white
              cotton cloth, and blot the stained area as above.

         7.   Rinse area thoroughly with water, blot until dry.

    F.   For Soot:

         1.   Apply a commercial spotter to a clean, white cotton
              cloth.

         2.   Blot the area with the treated cloth.  DO NOT
              SCRUB.

         3.   Mix 1 teaspoon of neutral pH liquid detergent with
              1 cup warm water.  Apply mixture to a clean, white
              cotton cloth, and blot as above.

         4.   Mix 1 tablespoon of clear household ammonia with
              1/2 cup water.  Apply mixture to a clean, white,
              cotton cloth, and blot as above.

         5.   Rinse area thoroughly with water, blot until dry.

                         END OF SECTION