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PlastiSpan® 60 Insulation
High compressive resistance for geotechnical applications

PlastiSpan® 60 Insulation is used in Roadways, Sidewalks and Utilities.
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PlastiSpan 60 insulation is a moulded expanded polystyrene (EPS)

• Meets all building code
• Meets ASTM C578, Type XV
• Thermal resistance - R-value 4.5 per inch
• Closed cell insulation resists moisture

EPS is a closed cell, rigid foam plastic insulation that does not contain
a blowing agent that provides a temporary increase in thermal resistance.

PlastiSpan insulation applied as continuous insulation over foundations,
walls and roofs eliminates thermal bridging, increasing your total effective
R-value. This reduces energy costs and increases your energy savings.

PlastiSpan expanded polystyrene (EPS) insulation conforms to ASTM C578,
Standard Specification for Rigid, Cellular Polystyrene Thermal Insulation, as
detailed below. PlastiSpan insulation has also been evaluated for
conformance with the requirements of ICC-ES AC12, Acceptance Criteria
for Foam Plastic Insulation per ICC-ES Evaluation Report ESR-1587 and
Intertek Code Compliance Research Report CCRR-1072 (see Code Support
section in Technical Library for additional information).

Applications using PlastiSpan 60

Plastispan 40 Applications

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Product Information Bulletin
PIB 208 - ASTM C578 - PlastiSpan
Insulation Material Properties

PIB 342 - PlastiSpan 60 Insulation
- ASTM C578, Type XV Material Properties

See more information on PlastiSpan 60
in our PIB section

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Specification Header

The table below provides material properties for PlastiSpan 60 insulation meeting ASTM C578, Type XV as noted.

Insulation Properties Units ASTM Test Type XV
Nominal Density
pcf C303
Compressive Resistance
Minimum @ 10% deformation
psi D1621 60.0
per inch thickness at
mean temperature
40 0F (ft2•hr•0F/Btu) C518 4.9
75 0F 4.5
Water Vapor Permeance
Perm E96 2.5
Flexural Strength
psi C203 75
Shear Strength
psi C273 38
Dimensional Stability
% linear change D2126 2.0
Water Absorption
% by volume C272 2.0
Oxygen Index
volume % D2863 24
Flame Spread Index
E84 <25
Smoke-Developed Index


As part of its commitment to quality and ongoing sustainability initiatives, Plasti-Fab maintains GREENGUARD Gold
for PlastiSpan 60 insulation with UL Environment, an independent global safety science organization.
The GREENGUARD Gold Certification mark on PlastiSpan 60 insulation gives assurance that insulation designed for
use in indoor spaces meets strict chemical emissions limits, which contribute to the creation of healthier interiors.