Following a devastating summer, the government of British Columbia’s long-awaited upgraded climate plan will face intense scrutiny. Expected in October, it could position B.C. as a model for the rest of Canada — if it sets the province on track to achieve a net-zero economy by 2050.
The most obvious indication of failure of an installed insulating glass (IG) unit in a window or door is permanent visual obstruction due to a milky-white fog or film on the interior surfaces of the glass (surface numbers two or three in dual-pane IG) due to moisture or chemical deposition.
In 27 EU Member States (out of 28) minimum requirements for windows have been introduced. These requirements can be regrouped in three categories: minimum requirements based on the U-value (being Uwvalue or Ug-value), on the Uw-value and g-value separately or on the energy balance combining both the Uw-value and g-value.