liters 5 ounces of castor oil per liter gallon. Scrape away
existing coatings from knotty areas, and sand before treating.
Prime before applying any putty over shellacked area.
(2) Open Joints and Other Openings: Fill with whiting putty,
linseed oil putty. Sand smooth after putty has dried.
(3) Checking: Where checking of the wood is present, sand the
surface, wipe and apply a coat of pigmented orange shellac. Allow
to dry before paint is applied.
g.
Prime Coat For New Exterior Surfaces: Prime coat [wood doors,]
[windows,] [frames,] [and] [trim] before wood becomes dirty,
warped, [or weathered].
3.7.2
Wood Floor Surfaces, Natural Finish
a.
Initial Surface Cleaning:
As specified in paragraph entitled
"Surface Preparation."
[b.
Existing Loose Boards and Shoe Molding: Before sanding, renail
loose boards. Countersink nails and fill with an approved wood
filler. Remove shoe molding before sanding and reinstall after
completing other work. At Contractor's option, new shoe molding
may be provided in lieu of reinstalling old. New wood molding
shall be same size, wood species, and finish as the existing.]
c.
Sanding and Scraping: Sanding of wood floors is specified in
Section [09640 WOOD STRIP FLOORING] [09645 WOOD PARQUET FLOORING] [
09641 WOOD ATHLETIC FLOORING] [09643 PORTABLE (DEMOUNTABLE) WOOD
FLOORING]. Floors of oak or similar open-grain wood shall be
filled with wood filler recommended by the finish manufacturer and
the excess filler removed.
d.
Final Cleaning: After sanding, sweep and vacuum floors clean.
Do
not walk on floors thereafter until specified sealer has been
applied and is dry.
3.7.3
Interior Wood Surfaces, Stain Finish
Interior wood surfaces to receive stain shall be sanded. Oak and other
open-grain wood to receive stain shall be given a coat of wood filler not
less than 8 hours before the application of stain; excess filler shall be
removed and the surface sanded smooth.
3.7.4
Water Blasting of Existing Coated Wood Surfaces:
**************************************************************************
NOTE: Require water blasting for existing wood
surfaces only for architectural restoration work
where the cost is justified.
**************************************************************************
Water blasting shall be provided for the following surfaces:
[_____].
a.
Sample Panel: Prior to the initial surface cleaning, water blast
a representative surface designated by the Contracting Officer.
Final surface condition of remaining work shall be similar to
sample panel approved by the Contracting Officer.
SECTION 09900
Page 35
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