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CertainTeed Vinyl Siding Installation Guide
116
Cedar Impressions on a Steep Rake
A solid nailable substrate is required for this product. The substrate
must have the nail holding equivalent of a 3/4" penetration of a nail
into solid wood.
Installing Cedar Impressions on
Non-vertical Walls
Cedar Impressions must never be used as a roofing material.
However, the panels can be used on non-vertical applications that
meet the following conditions:
• The non-vertical wall must be decorative and not functional.
• The non-vertical wall must not be greater than 20° off the
vertical (no less than a 70° angle).
• The top of the wall cannot be higher than 30' above grade.
Because of different wind-load requirements, your local
building code may stipulate a lower height. Use the lesser
of the two heights.
Before you install Cedar Impressions on a non-vertical wall, install
a non-binding, self-adhering underlayment or waterproofing
membrane. Cap the uppermost edge of the top course of siding to
prevent water from getting behind the siding. Flash all accessories
to shed water away from the substrate. Siding alone is not meant
to be a watertight barrier.
drill and
center nail
hand punch slots
16" from center
and nail
no less
than 70°
30'