Installation Guide

BASIC GUIDELINES
1. Always work from left to right, completing installation on one wall before beginning another.
Always start at the lowest point of the structure.
2. As with any plastic composite exterior building materials, Exteria Building Products panels will
expand and contract with a change in temperature. Therefore, during installation it is necessary
to position the panels properly to compensate for temperature effects. Use caution not to force
panels down onto the flange of the lower row, as this will override the expansion joints and may
cause buckling. Storing panels in heated areas make them more pliable, allowing for easier
installation in colder temperatures.
3. Store panels on edge, do not stack flat.
4. Exteria Building Products panels are intended for use in a vertical placement only, and are not
designed or warranted for roofing or flooring applications. Mansard roofs with a 45/12 slope or
greater are acceptable applications.
5. It is essential that you work over a smooth, flat, nailable wall surface, (i.e. Minimum 7/16” OSB
board or plywood is recommended). Refer to the respective furring strip installation guidelines
if furring strips are utilized.
6. Non-corrosive fasteners are required to secure the panels and they must penetrate the solid
substrate by at least 7/16”.
7. If face nailing is employed, pre-drill a hole in an inconspicuous area, such as a mortar joint. The
hole must be larger than the shank of the nail or screw, but smaller than the head, to allow for
possible expansion. The head can be covered with caulk.
8. Fastening the panels should not restrict panel movement. Fasteners should be driven straight
into the center of any elongated hole making light contact with the panel, allowing the panel to
be hung. It is best to work with the panels at waist-level, allowing the installer to inspect the
back of the panels, verifying that all fingers are properly engaged.
9. Overriding the expansion stops may restrict panel movement and cause buckling. The panel
requires a minimum of eight fasteners per panel. A closer spacing of fasteners is required for
high velocity wind areas; for details refer to report ESR-3070, which can be downloaded from
our website www.exteriabp.com.
10. Siding has always been designed as an exterior cladding. Exteria Building Products siding is
designed to allow the material underneath it to breathe; therefore, it is not a watertight
covering. To achieve designed performance, Exteria Building Products siding must be installed
over a weather resistant house barrier system such as house wrap.
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