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Thermogal™ Polycarbonate Roofing

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Thermogal™ Polycarbonate Roofing Sheet combines highly effective polycarbonate thermal insulation with extra strength for low-pitch roofing.

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  • Suitable for cold climates - extremely low U-Value
  • Save on heating energy costs
  • Bright, transparent look, large range of colors, shades and reflective coatings.
  • Covered by 10 Year Warranty for color, light transmission and strength
  • Can be cold-bent to recommended radius
  • Best insulation performance during cold winter nights
  • Rigid sheet structure provides extra strength under wind and snow loads. To see sheet performance under loads, go to Support / Wind Load Charts.

Recommended Thermogal™ Uses:

Low pitch coverings, lean-to conservatories, large span structures, stadiums, closed structures with interior climate control and industrial windows.

Want to explore your polycarbonate thermal insulation options? Connect with our Polygal™ sheet experts.

Thermogal Technical Specifications
Thermogal 25mmThermogal 32mmThermogal 35mm
Structure25mm Thermogal32mm Thermogal35mm Thermogal
Color AvailabilityClear, Bronze, Ice
Weight (g/m2)3500 (0.78 lb/ft2)3800 (0.78 lb/ft2)4000 (0.78 lb/ft2)
Minimum Cold Bending Radius (m)25mm (0.984")32mm (1.25")35mm (1.37")
U-factor (W/m2 °C) TNO tested1.7 (0.31 Btu/h x ft2 °F)1.4 (0.25 Btu/h x ft2 °F)1.36 (0.24 Btu/h x ft2 °F)
Light Transmission
(ASTM D-1494)
Silhouette Gold43%43%
Silhouette Pearl45%45%
Thermal Expansion
Ice Clr2.5mm (1/8 in. per 3 ft.)
Bronze3.25mm (1/4 in. per 4 ft.)
Recommended minimum roof slope10%
Impact resistant (joul)
(ASTM D-5628)
2.98 (2.19 ft. lb.)3.00 (2.20 ft. lb.)
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