Fasteners
 Hot-dipped galvanized, aluminum and stainless steel fasteners
are all corrosion-resistant and can be used to fasten
Western Red Cedar. Other types of nails are not recommended.
They can rust and disintegrate and react adversely with
the natural preservative oils present in cedar resulting
in unsightly stains and streaks. Copper nails also react
with cedar and should not be used. Stainless steel nails
are the best choice, especially if trim boards are to
be finished with transparent or semi-transparent stain.
Use No. 304 stainless for general applications and No.
316 for seacoast exposures.
For best results use splitless fasteners designed for
siding installation. This type of nail has a thin shank
and blunt point and is available with a ring or spiral
shank. Fastener length should be adequte to provide
a minimum penetration of 1-1/2 inches into solid wood.
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