Cleaning And Refinishing Of Woodwork
- Procedure code:
- National Capitol Region Specifications
- Wood and Plastics
- Architectural Woodwork
- Last Modified:
CLEANING AND REFINISHING OF WOODWORK
A. This procedure includes guidance on cleaning and
refinishing both shellacked and varnished woodwork.
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
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).
A. Product Data: Submit product data for all materials
selected that will be applied to existing woodwork.
B. Operation and Maintenance Data: Submit a dust control
1.03 QUALITY ASSURANCE
A. Field Samples: A sample area shall be restored and serve
as a standard of quality in restoration of wood. The
sample area will be restored by means of the approved
B. Each sample area must receive the approval of the
Contracting Officer before a general application is made.
A. Wood Stain
B. Floor Varnish
E. Paste Wax - Proprietary or job-mixed compound containing
carnauba, beeswax, cadelilla, or ceresin mixed with
F. Floor Wax
G. Wood Bleach: Solution of sodium perborate, hydrogen
peroxide or proprietary mixture suitable for oak.
H. Wood Filler
I. Steel Wool
J. Sandpaper: Extra Fine Grit.
A. Protection: Mask all adjacent surfaces and protect other
exposed surfaces in the work area.
B. Surface Preparation:
1. 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. After each test area has been
prepared, receive approval from the Contracting
Officer before commencing general application.
2. Fill any split in existing wood and sand smooth
prior to sealer application.
3.02 ERECTION, INSTALLATION, APPLICATION
1. Follow manufacturer's application instructions.
2. Final appearance of woodwork must be uniform in all
B. Refinishing When Removal of Existing Shellac is Required:
1. Coat wood with denatured alcohol. Apply with soft
cloth. Scrape up residue as quickly as possible.
Repeat application of alcohol until all shellac is
2. Sand smooth.
3. Apply one coat of shellac with soft cloth.
4. Apply mixture of shellac and alcohol with soft
cloth and allow to dry overnight.
5. Apply liberal amount of paste wax with soft cloth
and allow to dry.
6. Buff wood lightly with steel wool.
7. Buff wood with soft brush.
8. Polish with soft cloth.
9. Other processes may be used as long as final
results conform to quality standards and give
C. Refinishing When Removal of Existing Wax is Required:
1. Rub wood with a soft cloth moistened in turpentine.
2. Apply liberal amount of paste wax with soft cloth
and allow to dry.
3. Polish wood with soft cloth.
D. Refinishing Wood Floor:
1. Remove existing finish by sanding two or three
times until bare wood is exposed.
2. Repair scratched or broken boards. Do not replace
boards unless approved by the Contracting Officer.
3. Clean area of dust and sawdust.
4. Apply stain of same color as existing. Allow to dry
5. Apply two coats of floor varnish.
6. Apply two coats of floor wax.
A. Wash woodwork with mild detergent and water.
B. Dry immediately with clean cloth.
C. Apply a liberal amount of paste wax and allow to dry.
END OF SECTION