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Building Efficiency TAC

Thermal Testing of Polycarbonate Windows for Local Manufacturer

May 14, 2017

The objective of this project was to compare and evaluate the thermal performance of two samples of a polycarbonate glazing, which behave similarly to Insulated Glass Units (IGU), provided by a local window manufacturer to the Building Envelope Technology Access Centre (BETAC) at Red River College.

Research and Services Provided

  • BETAC used the Red River College’s dual environmental chambers in the Centre for Applied Research in Sustainable Infrastructure lab (CARSI) to compare the thermal performance of the two samples using a benchmark from a material with a known thermal resistance.
  • The polycarbonate samples each had different thicknesses, and heat flux sensors were used to measure the thermal transfer across the samples under a set temperature differential, which followed a specific ASTM Standard.


Results of this test can be used for further research and development of the manufacturer’s products.