Installation Instructions

©2019 Louisiana-Pacific Corporation. All rights reserved. LP and SmartSide are registered trademarks of
Louisiana-Pacific Corporation. Printed in U.S.A.
NOTE: Louisiana-Pacific Corporation periodically updates and revises its product information.
To verify that this version is current, call 800-450-6106.
LPZB0515 6/19
LP Strand Substrate Lap Siding may also be installed in compliance with
Category 8140- Exterior wall siding and sheathing for Wildland Unban
Interface (WUI) applications atop LP FlameBlock sheathing. Refer to
FlameBlock installation instructions and product data sheets. All LP lap
sidings may be installed as exterior siding in Wildland Urban Interface
(WUI) applications installed over one layer 5/8” (16 mm) Type X gypsum
sheathing applied behind the exterior covering or cladding on the exterior
side of the framing. They may also be installed over the exterior portion
of a 1-hour fire-resistive exterior wall assembly designed for exterior fire
exposure including assemblies using the gypsum panel and sheathing
products listed in the Gypsum Association Fire Resistance Design Manual.
The Louisiana-Pacific Corporation (“LP”) LP SmartSide Siding (the
“Products”) limited warranty (the “Warranty”) applies only to structures on
which the Products have been applied, finished and maintained in accordance
with the published application, finishing and maintenance instructions
in effect at the time of application. The failure to follow such application,
finishing or maintenance instructions will void the Warranty as to the portion
of the Products affected by the variance (the “Affected Products”).
LP assumes no liability for any loss or damage sustained by the Affected
Products and is expressly released by the purchaser or owner from any such
loss or liability.
Any modification of the Warranty’s application, finishing or maintenance
requirements is void unless approved in writing by LP prior to application.
For a copy of the warranty or for installation and technical
support, visit the LP SmartSide product support Web site at:
www.lpsmartside.com
WARRANTY REMEDIES ARE NOT AVAILABLE IF
REQUIREMENTS ARE NOT FOLLOWED.
1 inch (25 MM) rooF & chiMney clearance
1" min. clearance
from roofing
Min. 3/16" gap
Trim
Paint bottom
edge of siding
4" min. flashing
Figure 4
application instructions (cont.)
overlap, clearance & nailinG Space
Min. 1"
overlap
Extend siding
below plate
Min. 6"
finish grade
clearance
Space nail min.
3/4" from top
Siding must not
contact masonry
Breathable
water-resistant
barrier
Sheathing,
if required
Figure 1
• Butt joints must occur over studs.
• A minimum 3/16 inch (5 mm) gap is required at ALL butt joints.
• If joint caulking option is selected, seal all gaps at butt joints
with a high-quality exterior sealant meeting the ASTM C920,
minimum Class 25 sealant.
• If joint moulding option is selected, add the thickness of the
web to the gap allowing a net 3/16 inch (5 mm) space for expansion.
• If siding is prefinished by a Preferred Prefinisher, gap does not
require sealant or joint moulding when backed with minimum
4 inch (102 mm) wide flashing and the ends of the siding are
factory finished.
Butt JointS
Nail min. 3/4" from top
and 3/8" from edge
Gap 3/16"
AVOID CORNER
NAILING
Figure 2
• For rigid foam insulation sheathing greater than 1 inch (25 mm),
a minimum 1-1/2 inches (38 mm) thick by 3-1/2 inches (89 mm)
wide vertical strap or furring strip must be installed over the
sheathing to provide a solid level nailing base for the siding.
The strapping must be securely fastened to structural framing
spaced no greater than 16 inches (406 mm) o.c. with a mini-
mum nail penetration of 1-1/2 inches (38 mm) and a maximum
nail spacing no greater than the width of the siding.
Louisiana-Pacific will assume no responsibility for any damage or
condition arising from the use of rigid foam insulation sheathing
or exterior gypsum.
4
or for additional support call 800-648-6893.
WARNING: Drilling, sawing, sanding or machining wood
products can expose you to wood dust, a substance known to the
State of California to cause cancer. Avoid inhaling wood dust or
use a dust mask or other safeguards for personal protection. For
more information go to www.P65Warnings.ca.gov/wood.