The material properties of EnerSpan® EFS insulation used as a component in exterior insulation and finish systems meet or exceed the requirements for expanded polystyrene (EPS) insulation as specified in CAN ULC S701.1. EnerSpan is manufactured using Neopor® provided by BASF, a graphite-enhanced raw material that reduces radiation heat transfer resulting in higher thermal resistance (R-value).

EnerSpan EFS insulation is manufactured under a stringent quality control program to meet the requirements of EIFS manufacturers that includes third party certification of material properties. EnerSpan EFS insulation can be supplied to any thickness required to provide specified thermal resistance (R-Value) and special shapes can be provided that will create the style or form needed for the building.

With an R-value of 4.7 per inch, EnerSpan helps you achieve your desired R-value with a thinner board. EnerSpan insulation is easy to work with and install, and consistently delivers the highest true R-value performance over time. This high-performing insulation is breathable, while the closed-cell structure does not support the growth of mold, while adapting to all climate zones.

  • Easy to cut and install
  • Meets all building code requirements
  • Closed cell insulation
  • No Thermal Drift
  • Compressive Resistance of 10 psi
  • A True R-value of 4.7 per inch
  • Resistant to moisture
  • Uses up to 30% less material than other rigid foam insulation to achieve the same R-value, saving on building materials and installation labor
  • Thinner boards are needed to reach the desired R-value than others so the same effect is achieved with less material

Material Properties of EnerSpan® EFS

Material Properties Test Method Units Property Value
Thermal Resistance
Minimum
ASTM
C518
m2•°C/W
(ft2•hr•°F/BTU
ft2•hr•°F/BTU)
0.82
(4.7)
Water Vapour Permanence
Maximum
ASTM E96 ng/Pa•s•m2
(perms)
300
(5.2)
Dimensional Stability
Maximum
ASTM D2126 % linear change 1.5
Water Absorption
Maximum
ASTM D2842 % By Volume 6.0
Flexural Strength
Minimum
ASTM C203 kPa
(psi)
170
(25)
Compressive Resistance
Minimum @10% Deformation
ASTM D1621 kPa
(psi)
70
(10)
Limiting Oxygen Index
Minimum
ASTM D2863 % by volume 24
Additional Material Properties for PlastiSpan EFS Insulation
Water Absorption
Maximum
ASTM D2842 % by volume 2.0
Dimensional Stability
Maximum
ASTM D2126 % linear change 0.5
Tensile Strength
Minimum
ASTM D1623 kPa
(psi)
103
(15)
CAN/ULC-S701, Annex A - Standard Dimensions
Length ±1.6 mm (±1/16 inch)
Width ±1.6 mm (±1/16 inch)
Thickness 19.1 to 25.4 (3/4 to 1 inch)
>25.4 to 127.0 mm (>1 to 5 inch)
Squareness When measured on the large flat face from one corner to the opposing corner, dimensional variations shall not exceed 0.8 mm (1/32 in.) in 305 mm (12 in.)
Edge Trueness When measured with a straight edge, edges shall not deviate more than 0.8 mm (1/32 in.) in 305 mm (12 inch)
Face Flatness When measured across the face with a straight edge, maximum deviation from the straight edge shall not exceed more than 0.8 mm (1/32 in.)
Storage Condition Average Temperature Minimum Storage Period
Low Pentane (<4.5% pentane) Raw Materials and Vacuum Mould Technology
Plant Aging Ambient Temperature 20 °C (68 °F) and RH 12 Days
Full Pentane (nominal 6% pentane) Raw Materials and Vacuum Mould Technology
Plant Aging Ambient Temperature 20 °C (68 °F) and RH 18 Days
Full Pentane (nominal 6% pentane) Raw Materials and Non-Vacuum Mould Technology
Plant Aging Ambient Temperature 20 °C (68 °F) and RH 42 Days
Heat Aging Elevated Temperature 60 °C (140 °F) 5 Days
Material Properties CAN/ULC-S102.2
Flame Spread Rating 220
Smoke Developed Classification Over 500

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