Installation Guide

approximate
¹⁄₈" gap for
dry material
8" and wider
¹⁄₂" = full depth
of rabbet
7
*Note: Refer to WWPA’s Standard Patterns (G-16) for scale profiles and actual dimensions of run-to-pattern products.
TONGUED
& GROOVED
Tongued & Grooved
siding is available in a
variety of patterns. T&G
lends itself to different
effects aesthetically. Refer
to Standard Patterns (G-
16) for pattern profiles.
Sizes given here are for
Plain Tongued & Grooved.
Do not nail through over-
lapping pieces. Horizontal
or vertical applications.
Tongued edge up in
horizontal applications.
CHANNEL RUSTIC
Channel Rustic has a ¹⁄₂"
overlap, including an
approximate ¹⁄₈" gap, and
a 1" to 1¹⁄₄" channel
when installed. The pro-
file allows for maximum
dimensional change with-
out adversely affecting
appearance in climates of
highly variable moisture
levels between seasons.
Available smooth, rough
or saw-textured. Do not
nail through overlapping
pieces. Horizontal or
vertical applications.
LOG CABIN
Log Cabin siding is 1¹⁄₂"
thick at the thickest
point. Ideally suited to
informal buildings in
rustic settings. The pat-
tern may be milled from
appearance grades
(Commons) or dimension
grades (2x material).
Allows for ¹⁄₂" overlap,
including an approximate
¹⁄₈" gap. Do not nail
through overlapping
pieces. Horizontal or
vertical applications.
Siding Installation Tips
■ Do not nail through overlapping pieces. Use stainless steel, high tensile strength aluminum, or hot-dipped
galvanized nails with ring or spiral-threaded shanks. Use casing nails to blind nail; siding or box nails to face nail.
■ Horizontal applications only for Bevel, Bungalow and Dolly Varden.
■ Vertical applications only for Board-on-Board or Board-and-Batten; bevel cut ends of pieces and install so water
is directed to outside.
■ Horizontal or vertical applications for Tongued & Grooved, Channel Rustic, Log Cabin or Drop patterns. Tongued
edge up in horizontal applications of Drop and T&G patterns.
■ Read the section on Nail Penetration and Spacing to determine nail size.
■ Read the sections on Moisture Content and Priming and Prefinishing before installing siding.
³⁄₄ x 6
³⁄₄ x 8
³⁄₄ x 10
1¹⁄₂ x 6
1¹⁄₂ x 8
1¹⁄₂ x 10
1¹⁄₂ x 12
1 x 4
1 x 6
1 x 8
1 x 10
1 x 12
Use one siding or box nail to
face nail once per bearing, 1"
up from bottom edge.
Use one siding or box nail to
face nail once per bearing, 1¹⁄₂"
up from bottom edge.
Use two siding or box nails,
3-4" apart, per bearing to
face nail.
Use two siding or box nails
3-4" apart per bearing.
Use two siding or box nails
3-4" apart to face nail.
Note: T&G
patterns may
be ordered with
¹⁄₄, ³⁄₈, or ⁷⁄₁₆"
tongues. For
wider widths,
specify the
longer tongue
and pattern.
approximate
¹⁄₈" gap for
dry material
8" and wider
¹⁄₂" = full depth
of rabbet
Nominal Sizes*
Thickness & Width
Figure C: SIDING PATTERNS, NOMINAL SIZES & RECOMMENDED NAILING
Siding Patterns
Nailing
6" and Narrower 8" and Wider
Plain
Plain
Use one casing nail per
bearing to blind nail.