Structural insulated panels sips description

LARGE SPAN GROUP
www.large-ADD: No.11, Friendship Street, North Industrial Zone, Zhengding City, Hebei Province, China
TEL: 0086 13333016262, 18731151165 FAX: 0086 18032909635, 18032909637
E-MAIL: info@large-span.com, largespangroup@gmail.com
large-Structural Insulated Panels (SIPs)
Product Description
1. Description
1.1 General.
Structural Insulated Panels (SIPs) (or other called
Wooden Based Load‐bearing Stressed Panels) are factory
assembled, laminated sandwich panels produced
under ISO 900 1 ‐2008 quality controlled environment.
The panels consist of expanded Polystyrene (EPS)
core with oriented strand board facing. Please refer to Figure 1.
Figure 1 Antonym of SIPs
The standard sizes of SIPs panels are listed in t Table 1.
1 / 15
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LARGE SPAN GROUP
large-large-ADD: No.11, Friendship Street, North Industrial Zone, Zhengding City, Hebei Province, China
TEL: 0086 13333016262, 18731151165 FAX: 0086 18032909635, 18032909637
Table 1 Standard Sizes of SIPs
SIPS Size
4'x8'
4'x9'
4'x10'
4'x20'
(Width×Height)
(1.22x2.44m)
(1.22x2.74m)
(1.22x3.05m)
(1.22x6.10m)
Item Dimension
SIPS Thickness 4 1/2"
6 1/2"
8 1/4"
10 1/4"
( 11.4cm )
( 16.5cm )
（20.9 cm）
( 26.0cm )
Core Thickness 35/8"
5 5/8"
73/8"
9 3/8"
( 9.2cm )
（14.3 cm）
( 18.7cm )
（23.8 cm）
1.2 Materials
1.2.1 Facing.
The facing of SIPs consists of two single‐ply
oriented strand board (OSB) facings at minimum of 7/16 in.
(11.1mm) thick, Exposure 1, Rated Sheathing with a span
index of 24/16, manufactured in Canada conforming CSA
0325 or USA DOC PS2. The approved supplier of the osb
are listed in below,
Ainsworth Group of Companies (Canada)
Suite 3194 Bentall 4
1055 Dunsmuir Street
Vancouver BC, Canada V7X 1L3:
Barwick, ON (Mill 498)
Tolko Industries, Ltd. (Canada)
3203 30th Avenue
Vernon BC, Canada V1T 6M1:
1.2.2 Core.
The core material is expanded polystyrene (EPS) foam,
meeting the requirement of ASTM C 578(5), type 1 with
minimum density of 1.0lb/ft3 (19kg/m3) with fire retardant
agent added. Flame spread rating of SIP cores
should be less than 75 and the smoke‐development rating
2 / 15
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LARGE SPAN GROUP
TEL: 0086 13333016262, 18731151165 FAX: 0086 18032909635, 18032909637
should be less than 450 in accordance to ASTM E 84 (4).
The minimum thickness of the core is 3.5’’ (89mm).
1.2.3 Adhesive.
Facing materials are adhered to the core material using
structural adhesive, conforming to USA ICC‐ES evaluation
report. The adhesive is applied during the lamination
process in accordance with the in‐plant quality control
manual. The approved supplier of the Adhesive are listed in
below.
Ashland Specialty Chemical Company (U.S.A)
5200 Blazer Parkway
Dublin, OH 43017
1.2.4 Lumber Splines.
Structural Insulated Panels are interconnected
with double 2×lumber splines. Those lumbers are No.2
Spruce –pine‐fur or higher, kiln dried, originated from
Canada sustainable forest with the grade number, third
party agency.
2. Design
The allowable uniform transverse load, uniform axial
compression load for bearing wall, roof and floor, Thermal
resistance of SIP and allowable spans are as show in Table 3‐6.
Unless noted otherwise, the allowable uniform transverse loads
are for panels installed under simply supported, single span
conditions. Where loading conditions result in the panels
resisting combined stresses, the sum of the ratio of applied loads
over allowable loads much be less than 1.0.
3 / 15
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LARGE SPAN GROUP
TEL: 0086 13333016262, 18731151165 FAX: 0086 18032909635, 18032909637
3. Installation
3.1 General.
Structural Insulated Panels shall be fabricated, identified
and erected in accordance with this Installation Guide provided.
A copy of the installation instruction must be available at all
times on the jobsites during installation. Panel location must
comply with the report and the plans and specification approved
by the code officials if required .
3.2 Splines.
Structural Insulated Panels are interconnected at the
panel edges through the use of double 2x lumber spline. The
spline shall be secured in place with not less than 0.131 in. x
2‐1/2 in. nails, spaced 6 in. on center, or an approved equivalent
fastener. All joints shall be sealed in accordance with the
SIPs installation instructions.
3.3 Plates.
The top and bottom plates of the SIPs are dimensional
or engineered lumber sized to match the core thickness of the
panel. The plates are secured using not less than 0.131 in. x 2‐1/2
in. nails, spaced 6 in. on center, on both sides of the panel or an
approved equivalent fastener. A second plate composed of 1‐1/8
in. minimum thickness dimensional or engineered lumber with a
specific gravity of 0.42 that is cut to the full thickness of the
panel shall be secured to the first top plate using 0.133 in. x 3 in.
nails or an approved equivalent fastener.
3.4 Openings.
Openings in panels shall be reinforced with conventional
materials with accepted engineering practice to resist all loads
applied to the opening as required by the adopted code.
3.5 Cutting and Notching. No field cutting or routing of the panels
shall be permitted except as shown on approved drawings.
3.6 Protection from Decay. SIPs tha t rest on exterior
foundation walls shall not be located within 8 in. from exposed
earth. SIPs supported by concrete or masonry that is in direct
contact with earth shall be protected from the concrete or
masonry by a moisture barrier.
3.7 Protection from Termites. In areas subject to damage from
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LARGE SPAN GROUP
ADD: No.11, Friendship Street, North Industrial Zone, Zhengding City, Hebei Province, China
TEL: 0086 13333016262, 18731151165 FAX: 0086 18032909635, 18032909637
termites, SIPs shall be protected from termites using an
approved method. Panels shall not be installed below grade or in
contact with earth.
3.8 Heat‐Producing Fixtures. Heat‐producing fixtures shall not be
installed in the panels unless protected by a method approved by
the code official or documented in test reports. This limitation
shall not be interpreted to prohibit heat‐producing elements
with suitable protection.
coverings requiring the application of heat during
5 / 15
3.9 Voids and Holes
3.9.1 Voids in Core. The following voids are permitted. Voids may
be provided in the panel core during fabrication at
predetermined locations only. Voids parallel to the panel
span shall be limited to a single 1 in. maximum (outside
diameter) hole. Such voids shall be spaced a minimum of 4
ft. on center measured perpendicular to the panel span.
Two 1/2 in. diameter holes may be substituted for the
single 1 in. hole provided they are maintained parallel and
within 2 in. of each other. Voids perpendicular to the panel
span (parallel to the support) shall be limited to a single 1
in. maximum (outside diameter) hole placed not closer
than 16 in. from the support. Additional voids in the same
direction shall be spaced not less than 28 in. on center.
3.9.2 Holes in Panels. Holes may be placed in panels during
fabrication at predetermined locations only. Holes shall be
limited to 4 in. x 4 in. square. The minimum distance
between holes shall not be less than 4 ft. on center
measured perpendicular to the panel span and 24 in. on
center measured parallel to the panel span. Not more than
three holes shall be permitted in a single line parallel to the
panel span. The holes may intersect voids permitted
elsewhere in this report.
3.10 Panel Cladding
3.10.1 Roof Covering. The roof covering, underlayment and
flashing shall comply with the applicable code(s). All
roofing materials must be installed in accordance with the
manufacturer’s installation instructions. The use of roof
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large-LARGE SPAN GROUP
TEL: 0086 13333016262, 18731151165 FAX: 0086 18032909635, 18032909637
installation shall be reviewed and approved by a registered
design professional.
3.10.2 Exterior Wall Covering. Panels shall be covered on the
exterior by a water‐resistive barrier as required by the
applicable code. The water‐resistive barrier shall be
attached with flashing in such a manner as to provide a
continuous water‐resistive barrier behind the exterior wall
veneer. The exterior facing of the SIP wall shall be
covered with weather protection as required by the
adopted building code or other approved materials.
3.10.3 Interior Finishing. The SIP foam plastic core shall be
separated from the interior of the building by an approved
thermal barrier of at least 1/2 inch. (12mm) gypsum
wallboard or equivalent thermal barrier where required by
building code.
4. Figures and Tables
4.1 Tables for Technical Data
Table 2 Thermal resistance of SIPs
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LARGE SPAN GROUP
TEL: 0086 13333016262, 18731151165 FAX: 0086 18032909635, 18032909637
Table 3 Wall Panel Design Load
Notes: The tabulated values are design loads based upon design requirements of National
Building Code of Canada 2005.
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LARGE SPAN GROUP
TEL: 0086 13333016262, 18731151165 FAX: 0086 18032909635, 18032909637
Table 5 Allowable Transverse Load
Table 6 Roof Panel Transverse Design Load(psf)
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LARGE SPAN GROUP
TEL: 0086 13333016262, 18731151165 FAX: 0086 18032909635, 18032909637
Notes:
1. The tabulated values are design loads based upon design requirements of National Building
Code of Canada 2005. For allowable deflection of L/360, the values are allowable variable
loads (live, snow, rain and wind). For allowable deflection of L/240 and L/180, a minimum
dead load of 10 psf is included.
2. The span of a sloped roof panel must be measured along the slope. Design loads are to be
calculated as normal loads acting perpendicular to the face of the panel.
4.2 Construction details example
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LARGE SPAN GROUP
TEL: 0086 13333016262, 18731151165 FAX: 0086 18032909635, 18032909637
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LARGE SPAN GROUP
TEL: 0086 13333016262, 18731151165 FAX: 0086 18032909635, 18032909637
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LARGE SPAN GROUP
TEL: 0086 13333016262, 18731151165 FAX: 0086 18032909635, 18032909637
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large-LARGE ADD: No.11, Friendship Street, North Industrial Zone, Zhengding City, Hebei Province, China
TEL: 0086 13333016262, 18731151165 FAX: 0086 18032909635, 18032909637
13 /
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SPAN GROUP
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LARGE SPAN GROUP
TEL: 0086 13333016262, 18731151165 FAX: 0086 18032909635, 18032909637
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TEL: 0086 13333016262, 18731151165 FAX: 0086 18032909635, 18032909637
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