Wood
Deck/Bare
Wood/To Be Stained
a.
Surface Preparation:
- new
wood should be painted promptly (within a few weeks) because weathering
of the wood will reduce adhesion of the stain
- however,
moisture in treated wood left from the treatment process should
be allowed to dry prior to painting; once constructed, two weeks’
exposure to the weather should be adequate for up to 2X lumber;
thicker timber may take longer
- dull
any shiny (mill glazed) areas with medium grit (#120) sandpaper
- treat
any mildew with a 3:1 water:household bleach mixture, leaving
it on for 20 minutes and adding more as it dries; wear eye and
skin protection; rinse thoroughly;
refresh
surface of exposed, weathered wood by sanding or by careful power
washing with plain water or by application of commercial deck treatment,
following manufacturer’s directions; wear eye and skin protection,
and a dust mask if sanding; NOTE: woods that tend to be very soft,
such as old and weathered cedar and redwood, can easily be damaged
by the high pressure jet of power washing
b. Priming:
- primers
are generally not used with semi-transparent deck stains
- for
solid color deck stains: apply exterior stain blocking wood primer
per recommendation of stain manufacturer
- do
not leave a primer unstained
c. Staining:
- use
top quality exterior latex stain over latex or oil-based stain
- or
use oil-based stain but only over oil-based stain
- use
only stains specifically recommended for use on deck surfaces
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