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Historic Preservation - Technical Procedures

Spectitle:

Repairing Water-Damaged Woodwork

Procedure code:

0640011R

Source:

National Capitol Region Specifications

Division:

Wood And Plastics

Section:

Architectural Woodwork

Last Modified:

02/24/2012

Details:

Repairing Water-Damaged Woodwork



REPAIRING WATER-DAMAGED WOODWORK


PART 1---GENERAL

1.01 SUMMARY

    A.   This procedure includes guidance on repairing woodwork
         stained from minor water damage.

    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 MATERIALS

    A.   Wood stain

    B.   Wood bleach:  Solution of sodium perborate, hydrogen
         peroxide or proprietary mixture suitable for oak.

    C.   Wood filler, colored to match wood

    D.   Sandpaper:  Extra fine grit

    E.   Mild cleaner such as "Murphy's Oil Soap"


PART 3---EXECUTION

3.01 PREPARATION

    A.   Surface Preparation:  

         1.   Mask all adjacent surfaces and protect other
              exposed surfaces in the work area.

         2.   Fill any splits in existing wood and sand smooth
              prior to sealer application.

3.02 ERECTION, INSTALLATION, APPLICATION

    A.   Select an inconspicuous area on which to test materials
         and application for each method type required.  Test area
         must be approved by the Contracting Officer.
   
    B.   After each test area has been prepared, receive approval
         from the Contracting Officer before commencing general
         application.

    C.   Check area with a moisture meter to verify that wood does
         not have moisture on surface.

    D.   Sand stained areas to bare wood.

    E.   If bare wood is stained, apply wood bleach to remove
         stain.  Minimize flow of bleach onto areas not stained.
         Allow to dry and sand wood lightly to remove chemical
         residue.

    F.   Fill wood if required and apply stain of color to match
         existing.

3.03 ADJUSTING/CLEANING

    A.   Wash woodwork with mild detergent and water.

    B.   Dry immediately with clean cloth.

    C.   Finish to match historic finish.

                         END OF SECTION