FOAMULAR® DURAPINK® Rigid Foam Insulation Product Data Sheet

FOAMULAR® DURAPINK® Rigid Foam Insulation Product Data Sheet
Extruded Polystyrene (XPS) Rigid Foam Insulation
Product Data Sheet
debris—both of which can be
significant. When you recover,
both costs are avoided.
Energy-Saving1, MoistureResistant XPS Insulation
XPS Recovery Roofing Insulation
ASTM C578 Type IV, 25 psi
Recovery Board is an extruded
polystyrene (XPS) roofing
product designed for use with
single-ply membranes, including
black EPDM2 and other darkcolored single-ply membranes.
DURAPINK® roofing recovery
board works without overlay
protection, ballast or pavers.
DURAPINK® roofing recovery
board saves the trouble and
expense of removing the old
roof, and adds insulation and
moisture protection to the new
one, providing new economy
and durability for worn out
commercial roofs.
Roofing recovery is an increasingly
popular means of reroofing for
aged and trouble-plagued roofs.
The decision to recover a roof
is based on two compelling
reasons: The cost involved in
tearing off the old roof, and the
cost of disposing of the discarded
1 Savings vary. Find out why in the seller’s fact sheet
on R-values. Higher R-values mean greater insulating
2 EPDM—Ethylene Propylene Diene Monomer
roofing is a type of thermoset membrane roof
Key Features
• Excellent long-term stable
insulation performance of R-5
per inch3
• Exceptional moisture resistance,
long-term durability
• Recommended for use
directly under black EPDM
membranes, without the need
for protection.
• Limited lifetime warranty4 —
maintains 90% of R-value
and covers all ASTM C578
• The only XPS foam to have
achieved GREENGUARD Gold
• The only XPS foam with
certified recycled content—
certified by Scientific
Certification Systems (SCS)
to contain a minimum 20%
recycled content
• Will not corrode, rot or
support mold growth
• Zero ozone depletion potential
with 70% less global warming
potential than our previous
• Reusable
• Lightweight, durable rigid
foam panels are easy to handle
and install
• Easy to saw, cut or score
3 R means the resistance to heat flow; the higher the
R-value, the greater the insulating power.
4 See actual warranty for complete details, limitations
and requirements.
Technical Information
• DURAPINK® roofing recovery
board is to be installed over
existing roofs only and not over
new insulation.
• When installed beneath darkcolored, mechanically attached
membranes, some vertical
displacement may be noticeable,
especially during the high heat
of mid-day. Such behavior is
normal thermal expansion and
contraction of the material. The
movement will not affect the
integrity of the recover roofing
membrane or attachment
• Recovery roofing is often done
over uneven substrates. Humps,
sharp edges or ridges in the
existing membrane should
be cut out if possible before
covering with DURAPINK®
roofing recovery board. If this
is not possible, DURAPINK®
roofing recovery board can
be placed, but may crack over
uneven surfaces when walked
• Examine the existing roof for
areas of wet insulation and/or
wet or deteriorated decking.
Remove and replace wet
or deteriorated material as
• All roofs to be recovered
should be evaluated for the
presence of an existing vapor
retarder. Research by the
Oakridge National Laboratory
(ORNL) suggests that some
wet roof systems containing
permeable materials can be
dried to the interior of a
building if no internal vapor
retarder is present.
Extruded Polystyrene (XPS) Rigid Foam Insulation
Product Data Sheet
• When installing DURAPINK®
roofing recovery board
beneath a dark-colored,
mechanically attached
membrane, Owens Corning
recommends the installation of
eight fasteners and stress plates
per 4'x8' panel. The diagram
shows the recommended
fastener placement. For
fully adhered and ballasted
systems, contact the specific
membrane manufacturer or
Owens Corning for fastening
Fastening Pattern Diagram
Typical Physical Properties1
DURAPINK® Roofing Recovery Board
Thermal Resistance3, R-Value (180 day) minimum,
hr•ft 2•°F/Btu (RSI, °C•m2 /W)
@ 75°F (24°C) mean temperature
½" Thickness
1" Thickness
@ 40°F (4.4°C) mean temperature
½" Thickness
1" Thickness
Long Term Thermal Resistance, LTTR-Value3, minimum
hr•ft 2•°F/Btu (RSI, °C•m2 /W)
@ 75°F (24°C) mean temperature
½" Thickness
1" Thickness
Compressive Strength4, minimum psi (kPa)
3.2 (0.57)
5.4 (0.95)
CAN/ULC S770-03
5.0 (0.88)
ASTM D1621
18 (124)
25 (172)
Water Absorption 6, maximum % by volume
1.5 (86)
ASTM D2126
Water Vapor Permeance7, maximum perm (ng/Pa•s•m2)
75 (517)
Flame Spread 8, 9
Smoke Developed 8, 9, 10
Oxygen Index8, minimum % by volume
Linear Coefficient of Thermal Expansion, in/in/ºF (m/m/°C)
• When installing DURAPINK®
roofing recovery board beneath
a white, mechanically attached
roof system, a minimum of
one fastener per eight square
feet is required to secure the
board, placed within 6" of each
corner of 4'x8' panel. This
limited amount of fasteners is
acceptable but may allow some
board movement. Install two
to four additional fasteners in
the center field as shown in the
fastening diagram for enhanced
flatness. The membrane should
be laid out perpendicular to the
long dimension of DURAPINK®
roofing recovery board panels.
3.0 (0.53)
5.0 (0.88)
Flexural Strength5, minimum psi (kPa)
Service Temperature, maximum °F (°C)
½" Thickness
1" Thickness
Dimensional Stability, maximum % linear change
Test Method2
ASTM D 2863
165 (74)
3.5 x 10 -5 (6.3 x 10 -5)
1. Properties shown are representative values for 1" thick material, unless otherwise specified.
2. Modified as required to meet ASTM C578.
3. R means the resistance to heat flow; the higher the value, the greater the insulation power. This insulation must be
installed properly to get the marked R-value. Follow the manufacturer’s instructions carefully. If a manufacturer’s
fact sheet is not provided with the material shipment, request this and review it carefully. R-values vary depending
on many factors including the mean temperature at which the test is conducted, and the age of the sample at
the time of testing. Because rigid foam plastic insulation products are not all aged in accordance with the same
standards, it is useful to publish comparison R-value data. The R-value for FOAMULAR® XPS Insulation is provided
from testing at two mean temperatures, 40ºF and 75ºF, and from two aging (conditioning) techniques, 180 day realtime aged (as mandated by ASTM C578) and a method of accelerated aging sometimes called “Long Term Thermal
Resistance” (LTTR) per CAN/ULC S770-03. The R-value at 180 day real-time age and 75ºF mean temperature is
commonly used to compare products and is the value printed on the product.
4. Values at yield or 10% deflection, whichever occurs first.
5. Value at yield or 5%, whichever occurs first.
6. Data ranges from 0.00 to value shown due to the level of precision of the test method.
7. Water vapor permeance decreases as thickness increases.
8. These laboratory tests are not intended to describe the hazards presented by this material under actual fire
9. Data from Underwriters Laboratories Inc.® classified. See Classification Certificate U-197.
10. ASTM E84 is thickness-dependent, therefore a range of values is given.
• Some membranes, such as
PVC containing plasticizers, will
require a separator between
DURAPINK® roofing recovery
board and the membrane.
• For roofing and other horizontal
applications, product should
be installed with the printed
surface facing downward.
• DURAPINK® roofing recovery
board can be installed over coal
tar pitch (CTP) provided the
existing coal tar is at least ten
years old and has not been resaturated in the last four years.
If those age criteria are not met,
a 6 mil polyethylene sheet will
serve as an adequate separator
between CTP and XPS.
Extruded Polystyrene (XPS) Rigid Foam Insulation
Product Data Sheet
Product and Packaging Data
DURAPINK® Roofing Recovery Board
Extruded polystyrene closed-cell foam panel with continuous skin on face and back surfaces.
Shipped in poly-wrapped units with individually wrapped or banded bundles.
Product Dimensions
Thickness (in) x Width (in)
x Length (in)
Pallet (Unit) Dimensions
(typical) Width (ft) x
Length (ft) x Height (ft)
feet per
½ x 48 x 96
Board Bundles Pieces
feet per
Pallet Bundle
1 x 48 x 96
1. Available lengths and edge configurations vary by thickness. See for current offerings. Other sizes may be available upon request. Consult your local
Owens Corning representative for availability.
• See DURAPINK® roofing
recovery board guide
specifications for complete
installation details.
All construction should be
evaluated for the necessity to
provide vapor retarders. See
current ASHRAE Handbook of
FOAMULAR® XPS Insulation
can be exposed to the exterior
during normal construction
cycles. During that time some
fading of color may begin due to
UV exposure, and, if exposed for
extended periods of time, some
degradation or “dusting” of the
polystyrene surface may begin. It
is best if the product is covered
within 60 days to minimize
degradation. Once covered, the
deterioration stops, and damage
is limited to the thin top surface
layers of cells. Cells below are
generally unharmed and still
useful insulation.
FOAMULAR® Extruded
Polystyrene Insulation is a
thermoplastic material with a
maximum service temperature
of 165°F. For DURAPINK® XPS
that is of proper thickness and
installed per manufacturers
recommendations, installation
under a dark membrane is an
acceptable application. However,
until properly placed and secured,
if stored under dark (nonwhite)
or clear (non-opaque) materials,
in horizontal applications (such as
on roof decks), it may experience
greater solar exposure and it
may be damaged by heat buildup.
Simple precautions during
construction can minimize the
potential for heat related damage.
For all horizontal applications
always turn the print side down
so the black print does not show
to the sun which may, at times,
act as a solar collector and raise
the temperature of the foam
surface under the print. Do
not cover FOAMULAR® XPS
Insulation either stored (factory
wrapped or unwrapped), or
partially installed, with dark
colored (non-white), or clear
(non-opaque) coverings and leave
it exposed to the sun. Examples
of such coverings include but
are not limited to filter fabrics,
membranes, temporary tarps,
clear polyethylene, etc. If
improperly covered, and exposed
to the right combination of
sun, time and temperature,
deformation damage may
occur rapidly. When covering is
necessary, use only white opaque
material, or, cover with the final
approved finish material as soon
as possible. A white opaque cover
reflects energy from the sun
rather than absorbing it or passing
it which reduces the potential for
excessive heat exposure. Clear
(non-opaque) coverings allow
light energy from the sun to
pass through rather than reflect
it which may produce a partial
greenhouse effect, trapping hot
air and raising the temperature
below the cover. See Owens
Corning publication number
10015704, “Heat Build Up Due
to Solar Exposure” for more
Standards, Codes Compliance
• Meets ASTM C578 Type IV
• UL Classified.
A copy of UL
Certificate U-197
is available at
• See ICC-ES Evaluation Report
ESR-1061 at
• ASTM E108 Fire Classified
Assemblies. See UL On-Line
Certifications directory for
• Meets California Quality
Standards and HUD UM #71a
• Compliance verification by
RADCO (AA-650)
Extruded Polystyrene (XPS) Rigid Foam Insulation
Product Data Sheet
Certifications and Sustainable
Features of FOAMULAR®
XPS Insulation
• FOAMULAR® XPS Insulation
is reusable
• FOAMULAR® XPS Insulation
is made with a zero ozone
depletion formula
• Certified by Scientific
Certification Systems to contain
a minimum of 20% preconsumer recycled polystyrene
• Certified to meet indoor air
quality standards under the
stringent GREENGUARD
Certification Program and
Certification Program
• Utilizing FOAMULAR® XPS
Insulation can help achieve
green building certifications
including the U.S. Green
Building Council’s Leadership
in Energy and Environmental
Design (LEED®) certification
Environmental and
Owens Corning is a worldwide
leader in building material systems,
insulation and composite solutions,
delivering a broad range of highquality products and services.
Owens Corning is committed to
driving sustainability by delivering
solutions, transforming markets
and enhancing lives. More
information can be found at http://
• “The Impact of Climate on
Drying Times of a Wetted
Low-Slope Roof System,”
A.O. Desjarlais, D.M. Kyle, J.E.
Christian, Oakridge National
Laboratory, Journal of Thermal
Insulation, December 1992.
FOAMULAR® XPS insulation
limited lifetime warranty
maintains 90% of its R-value
for the lifetime of the building
and covers all ASTM C 578
properties. See actual warranty
for complete details, limitations
and requirements at www.
For more information on the
Owens Corning family of
building products, contact your
Owens Corning dealer, call
1-800-GET-PINK®, or access
All products described here may
not be available in all geographic
markets. Consult your local sales
office representative for more
Disclaimer of Liability
Technical information contained herein is furnished
without charge or obligation and is given and accepted
at recipient’s sole risk. Because conditions of use may
vary and are beyond our control, Owens Corning makes
no representation about, and is not responsible or
liable for the accuracy or reliability of data associated
with particular uses of any product described herein.
Nothing contained in this bulletin shall be considered a
GREENGUARD Certified products are certified to
GREENGUARD standards for low chemical emissions
into indoor air during product usage. For more
information, visit
LEED is a registered trademark of the U.S. Green
Building Council.
Pub. No. 23550-F. Printed in U.S.A. December 2013.THE PINK PANTHER
& ©1964-2013 Metro-Goldwyn-Mayer Studios Inc. All Rights Reserved.
The color PINK is a registered trademark of Owens Corning. ©2013
Owens Corning. All Rights Reserved.
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