The Canada Green Building Council (CaGBC) has published a roadmap for improving the performance of existing buildings and creating new economic opportunities for Canadians. The report, “A Roadmap for Retrofits: Building Strong Market Infrastructure...


Space-heating accounts for more than 60 per cent of the total residential energy consumption in Canada, but for the coldest parts of the country, it represents more than 70 per cent of the total...

Use of two-pound, medium-density closed-cell sprayed polyurethane foam (SPF) is growing rapidly in commercial structures. Utilization of the material has been fuelled in large part by its ability to seal the structure and, in...

Government regulations requiring co-ordinated changes to manufacturing, design, and construction practices with a single regulation are difficult for the industry to assimilate successfully. The banning of solvent-based adhesives was one such example.



Balloons evoke childhood memories of a trip to the circus or a day spent at a local amusement park—the air that fills them is fundamental to life itself. Ironically, the same air that brings...