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Historic Preservation - Technical Procedures

Spectitle:

Filling Of Holes In Wood Veneer Paneling

Procedure code:

0640002R

Source:

National Capitol Region Specifications - Cohen Building

Division:

Wood And Plastics

Section:

Architectural Woodwork

Last Modified:

02/24/2012

Details:

Filling Of Holes In Wood Veneer Paneling



FILLING OF HOLES IN WOOD VENEER PANELING


PART 1---GENERAL

1.01 SUMMARY

    A.   This procedure includes guidance on filling minor holes
         in wood veneer paneling such as those caused by the
         removal of picture nails or electrical conduit.

    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.   Mohawk Finishing Products, Inc.
         Route 30 N.
         Amsterdam, NY  12010

2.02 MATERIALS

    NOTE:  Chemical products are sometimes sold under a common
    name.  This usually means that the substance is not as pure as
    the same chemical sold under its chemical name.  The grade of
    purity of common name substances, however, is usually adequate
    for stain removal work, and these products should be purchased
    when available, as they tend to be less expensive.  Common
    names are indicated below by an asterisk (*).

    A.   Wood Filler: Paste wood filler shall be blended silica in
         aromatic mineral spirits solvent with an alkyd resin
         base, color as required to match original stain, such as
         (Mohawk Finishing Products, Inc.), or approved equal.

         NOTE: USE OF WOOD FILLER WITH LINSEED OIL VEHICLE MAY
         CAUSE WHITE SPOTS IN LACQUER FINISH COAT OR INHIBIT ITS
         PROPER DRYING.

    B.   Sanding Sealer: Lacquer based sanding sealer, formulated
         for brushing, composed of products compatible with
         veneer, such as (Mohawk Finishing Products, Inc.), or
         approved equal.  

    C.   Surfacing Putty: Duratite or approved equal

    D.   Benzene (C6H6):

         1.   A colorless, volatile, flammable, toxic, liquid,
              aromatic hydrocarbon used in organic synthesis, as
              a solvent and as a motor fuel.

         2.   Other chemical or common names include Benzol;
              Benzole; Phene; Phenyl hydride; Coal naphtha*; Motor
              benzol*.

         3.   Potential Hazards:  FLAMMABLE.

         4.   Available from automotive supply distributor,
              chemical supply house, dry cleaning supply
              distributor, hardware store or paint store.

         5.   Benzene and benzine should not be confused.
              Benzene is a distinct chemical compound obtained
              from coal tar.  Benzine is a mixture of aromatic
              hydrocarbons of similar boiling points derived from
              petroleum.

    E.   Steel wool (0000)

    F.   Cloths: Soft, clean, and lint free

    G.   Clean, potable water

2.03 EQUIPMENT

    A.   Soft, Natural Bristle Brush


PART 3---EXECUTION

3.01 PREPARATION

    A.   Protection: All surfaces adjacent to wood being repaired
         shall be protected during cleaning and the surface
         restoration process. All damaged items shall be corrected
         by the Contractor at no expense to the Government.

    B.   Surface Preparation:

         1.   Gently clean surface to be repaired.  See 06400-01-
              R for guidance on the periodic maintenance of wood
              veneer paneling.

         2.   Lightly sand deteriorated finishes.

         3.   Make sure that all wood surfaces are clean and
              smooth.


         4.   Fill all gouges and scratches with compatible
              surface putty color matched to stain. Sand smooth.

         5.   Re-adhere small areas of delaminated veneer using a
              polyvinyl acetate (PVA) glue.

3.02 ERECTION, INSTALLATION, APPLICATION

    A.   Thin wood filler to a consistency of heavy cream with
         benzene.

    B.   Apply filler with a brush.

    C.   After it has uniformly turned to a dull appearance,
         remove all traces with a burlap rag wiped across the
         grain.

    D.   Allow surface to dry at least 24 hours.

    E.   Rub with 0000 steel wool and wipe with a tack rag.

    F.   Apply one coat of sanding sealer.

3.03 ADJUSTING/CLEANING

    A.   Wipe woodwork with soft cloth dampened with clear water.

    B.   Promptly wipe dry, rubbing in direction of grain.

    C.   Polish by dry-rubbing with soft, dry cloth.

                         END OF SECTION