EnerSpan®, DuroSpan® GPS, and EnerGreen® Enhanced Insulation products are moulded expanded polystyrene (EPS) insulation products, intended for use as non-structural thermal insulation in wall, ceiling, or floor assembly, and door cavities.
RATINGS
Physical Properties - CAN/ULC-S701.1
| Material Property |
Units |
Type 1 |
Type 2 |
Type 2+ |
Type 3 |
Water Vapour Permeance
Maximum |
ng /Pa•s•m² |
300 |
200 |
200 |
130 |
Dimensional Stability
Maximum |
% Linear Change |
1.5 |
1.5 |
1.5 |
1.5 |
Flexural Strength
Minimum |
kPa |
170 |
240 |
240 |
300 |
Water Absorption
Maximum |
% by volume |
6.0 |
4.0 |
4.0 |
2.0 |
Compressive Resistance
Minimum |
kPa |
70 |
110 |
110 |
140 |
Limiting Oxygen Index
Minimum |
% |
24 |
24 |
24 |
24 |
Physical Properties - ASTM C578
| Material Property |
Units |
Type I |
Type II |
Type II+ |
Type VIII |
Type IX |
Product Density
Minimum |
pcf |
0.90 |
1.35 |
1.45 |
1.15 |
1.80 |
Water Vapour Permeance
Maximum |
Perm |
5.0 |
3.5 |
3.5 |
3.5 |
2.5 |
Compressive Stress
Minimum |
psi (kPa) |
10 |
15 |
15 |
13 |
25 |
Flexural Strength
Minimum |
psi |
25 |
35 |
35 |
30 |
50 |
Dimensional Stability
Maximum |
% Linear Change |
2.0 |
2.0 |
2.0 |
2.0 |
2.0 |
Water Absorption
Maximum |
% By volume |
4.0 |
3.0 |
3.0 |
3.0 |
2.0 |
Limiting Oxygen Index
Minimum |
% |
24 |
24 |
24 |
24 |
24 |
Thermal Resistance
| EPS TYPE |
MIMIMUM DENSITY |
R-VALUE |
ASTM C578 TYPE
I
II
II+
VIII
IX
|
0.90 pcf
1.35 pcf
1.45 pcf
1.15 pcf
1.80 pcf |
At 75°F MEAN TEMP
4.7 ft²·h·F/BTU per inch
(0.82 m²·C/W per 25 mm) |
CAN/ULC-S701.1 TYPE
1
2
2+
3 |
15 kg/m³
22 kg/m³
23.23 kg/m³
29 kg/m³ |
At 24°C MEAN TEMP
0.82 m²-C°/W per 25 mm
(4.7 ft²·h·F/BTU per inch) |
Surface Burning Characteristics
| STANDARD |
EPS TYPE/DENSITY |
THICKNESS |
FLAME SPREAD INDEX |
SMOKE DEVELOPED INDEX |
| CAN/ULC-S102.2 |
CAN/ULC-S701.1
32 kg/m³ max. |
102 mm max. |
250 or less |
over 530 |
| ASTM E84 |
ASTM C578
2.00 pcf max. |
6 inches max. |
25 or less |
450 or less |
CODE COMPLIANCE RESEARCH REPORT
| Evaluation Method |
Building Code |
CCRR Number |
| ICC-ES AC12 |
2024, 2021, 2018 IBC
2024, 2021, 2018 IRC
2015 and 2010 NBC
2012 IgCC |
CCRR-1033 |
