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DuroSpan® GPS R5 Insulation
Provides Continuous Insulation Required by Energy Codes

DuroSpan® Insulation is used in Cathedral Ceiling, Continuous Insulation, Exterior Foundation, Interior Basement Walls, Basement Floor and Under Slab.


DuroSpan® GPS R5 Insulation Board is a closed cell graphite-enhanced
insulation with a silver-gray colour that meets or exceeds requirements
for expanded polystyrene (EPS) manufactured to CAN/ULC S-701.

DuroSpan® GPS is manufactured using a graphite- enhanced expandable
polystyrene (GPS) insulation with a thin film laminated to the top and
bottom surfaces.

Features/Benefits:
• Durable product less susceptible to handling damage
• Easy to cut and install
• Meets CAN/ULC-S701-Type 1
• Intertek CCRR-1033

Product Applications Include:
• Continuous Insulation for Exterior and Perimeter foundation
• Continuous Insulation for Interior Basement Walls
• Insulating Above a Basement Slab
• Continuous Insulating Sheathing

Packaging:
White opaque wrapped in 24” high bundles
Flood silver printed film on front
Flood silver film with indicator "+" signs repeating every 24" on back.





The table below provides material properties for DuroSpan GPS R5 insulation

Material Properties Test Method Units Values
Thermal Resistance2
Minimum per 25 mm (inch)
ASTM
C518
m20C/W
(ft2•h•0F/BTU)
0.82
(4.7)
Compressive Resistance
Minimum @ 10% Deformation
ASTM
D1621
kPa
(psi)
70
(10)
Flexural Strength
Minimum
ASTM
C203
kPa
(psi)
170
(25)
Water Vapour Permeance3
Maximum - 25mm (1-inch) thickness
ASTM
E96
ng/(Pa.s.m2)
(Perms)
30
(0.5)
Water Absorption4
Maximum
ASTM
D2842
% By volume 6.0
Dimensional Stability
Maximum, 7 Days @ 70± 2℃ (158±40F)
ASTM
D2126
% Linear Change 1.5
Limiting Oxygen Index
Minimum
ASTM
D2863
% 24
Surface Burning Characteristics
Classification or Rating
CAN/ULC
S102.2
Flame Spread 220
Smoke Developed Over 500