Installation Guide
TRIM & FASCIA 190, 440, 540 & 2000 SERIES
• Consult your local building code for open sot applications.
• Recommended spans for open and closed sots are given in Table 3a. The recommendations in Table 3a for open sots
also apply to combined roof/ceiling construction. Panels are assumed continuous over two or more spans with the long
dimension or strength axis perpendicular to supports for both applications.
(See Table 3a)
• In open and closed sot construction, protect panel edges against direct exposure to the weather with LP SmartSide trim
and fascia. Apply LP SmartSide sot in a manner that prevents moisture intrusion and water build-up. All openings, other
than the vents, must be primed, painted and caulked.
• Open Sot: 76 and 190 Series strand substrate 4 ft. x 8 ft. sot panels may be used face down as the rst row of roof
sheathing. Like any roof sheathing, the panels need to be installed perpendicular to the rafters. The only dierence versus
the rest of the sheathing is that sot panels need to be supported along all four edges by solid blocking. Run 2x4 blocking
between the rafters so you can nail the sot to the blocking. Leave a 1/8 inch space between the edges and ends of the
panels. Nail each panel 6 inches o.c. at the edges and 12 inches o.c. along intermediate supports. (See diagrams 5a and 5b)
• Closed Sot: If sot panels need to be eld-cut to width, cut them 3/8 inch less than full width so you can leave a 3/16
inch space on each side. At all edges and ends, leave a 3/16 inch space and apply sealant. Nail the panels 6 inches o.c. at the
edges and 12” inches o.c. in the eld. (See diagrams 5c and 5d)
GENERAL REQUIREMENTS (CONTINUED)
5b
Protect edges of
sot and sheathing
against permanent
exposure to weather
Leave 1/8” space at all
panel end and edge
joints for open sot.
Support and paint all
edges.
INSTALLATION
Open & Closed Sot
Open Sot*
5a
Sot Panel
Open Sot* - Section
Drip-Edge
Fascia and/or
Sub-Fascia
Siding
*Do not use 76 Series ber substrate sot or 38 Series strand substrate sot in open sot applications
5d
Protect edges of
sheathing against
permanent exposure
to weather
Leave 3/16” space
at all panel end and
edge joints for closed
sot. Support and
caulk all edges.
Closed Sot
5c
Roof
Sheathing
Closed Sot - Section
Drip-Edge
Fascia and/or
Sub-Fascia
Trim & Siding
Sot Panel
Roof
Sheathing
LP SmartSide Sot
5