Installation Instructions

7
TRIM & FASCIA 190, 440, 540 & 2000 SERIES
Alternative Fastening Option:
Attachment to Furring Strips over Rigid Foam Insulation > 1 inch, or Furring Strips over Concrete/Masonry
• For rigid foam insulation greater than 1 inch (25 mm), install over a minimum 1x4 (25 mm x 102 mm) nominal size Southern
Pine furring strips with a speci c gravity greater than or equal to 0.55, no more than 12 inches (305 mm) o.c. in wind speed
areas less than or equal to 200 mph.
• Use a minimum 0.120 inch diameter ring shank nail, hot-dipped galvanized (ASTM A153) or equivalent.
• Fastener placement: A minimum 3/4 inch (19 mm) down from top edge of the siding.
• Fastener length: Shall fully penetrate a minimum 1/2 inch (13 mm) into furring strips. Caution: fastener shall not bottom
out on a masonry wall leaving the fastener head less than  ush with the face of trim or siding. (Diagram 7b)
• Blind nail with a minimum of two ring shank nails per furring strip. (Diagram 7a)
• Shiplap joints shall occur over furring strips and joints should be staggered. (Diagram 7b)
• Overlap shakes using the alignment notch to conceal nail heads and achieve uniform reveal. The alignment notch provides
for an overlap of at least 1 inch (25 mm) at the shortest staggered edge to a maximum of 1-3/4 inch (45 mm) at the longest
staggered edge regardless if whether the staggered or straight edge is exposed.
• Siding shall be installed to safely resist all loads, including wind loads, of the locally adopted building codes. The installation
of siding shall result in a system that provides a load path that meets the requirements for the transfer of loads from their
point of origin through the load-resisting elements to the structure. The mechanical connection of the furring strip to
structure is the responsibility of a design professional. LP assumes no liability for any loss or damage caused by the design of
the mechanical connection of the furring strip to the structure and is expressly released by the purchaser or owner from any
such loss or liability.
• Exception: Shakes may be nailed directly to rigid foam insulation less than or equal to 1 inch (25 mm) thick, unless a
drainage plane is required by the local building code. Nail length must be increased to ensure a minimum 1-1/2 inch
(38 mm) fastener penetration into the structural framing or wood structural panels and structural framing
• Louisiana-Paci c Corporation will assume no responsibility for any damage or condition arising from the use of rigid
foam insulation.
Diagram 7a
Min. 1”x4”
(25 cm x 102 cm)
furring strip
Shiplap joints shall occur
over furring strips
See 7b
Min. 2 nails
per furring strip
12” o.c.
(305 mm)
Diagram 7b
1 x 4
furring strip
WRB
1/2”
1/16” (2 mm)
alignment groove
Place nails
1” (25 mm)
from ends
3/8”
(10 mm)
3/16” (5 mm) gap
Min. 4 nails per furring
strip at shiplap joint
INSTALLATION
LP® SmartSide® Cedar Shake