Installation Guide

Moisture Control
Lumber and finish issues typically result from moisture, which causes the
lumber to expand and contract at a greater rate, causing nail pops, splitting,
checking and paint degradation. Proper handling and building practices can
prevent most performance issues.
UFP-Edge products should only be applied to structures that are well ventilated
and dry. Never install over wet sheathing!
Spacing requirements
• 6” above finished grade or landscaping
• At least ½” above brick or concrete and should be properly flashed
in all applications to prevent water from traveling behind the trim.
In all applications, UFP-Edge products should never be placed where they
could come into contact with standing water.
Trim used in a horizontal application should be flashed.
Paint
• Any paint or primer used should be a high-quality coating applied to the
manufacturer’s specifications. Application method and conditions will
significantly impact the performance of the coating and thus the substrate.
• Primer: When primed material is field cut or wood is exposed, it must be
primed to prevent the uptake of moisture. All field cuts must be re-primed
with one coat of at least 6 wet mills of primer prior to installation to meet
warranty requirements. If the primed product is left exposed or unfinished
for an extended period of time, all surfaces should be primed again before
final coatings.
Primers should be a high-quality exterior oil or acrylic latex primer formulated
for wood.
• Surface Preparation: All surfaces must be free from dirt, dust, mildew and
other loose or foreign material. Washing the surface with water and a mild
detergent may be required to properly prepare the surface. Allow the surface
to fully dry before painting.
• Use satin/semi-gloss or full gloss exterior acrylic latex over a flat finish for
better performance.
• All exposed surfaces must be well coated, paying special attention to the
bottom edge on any horizontal applications since this is an especially
moisture-prone area.
• Topcoat must be applied to material that has a moisture content of 15%
or less.
• All exposed surfaces must be top-coated with 2-3 dry mills of high-quality,
100% acrylic coating within 60 days of installation. It must be done in
accordance with the manufacturer’s published instructions.
Primed Exterior Trim Installation Instructions
Moisture Control
Housewrap
Self-adhering
flashing tape
Wall leg
at least
4” tall
End dam
Drip leg
Window
head trim
¼"-½" gap
between
flashing
and siding
¼"outward
bend
Cap pitched
10° to 15°