Jocelyn St-Pierre

In comparison to today’s standards, the basement insulation in homes built between the 1950s and 1980s was generally inadequate. The practice in those years of insulating using pieces of 1” white styrofoam or fibreglass batts (with a vapour barrier of questionable effectiveness) is known to create moisture problems that can, in turn, lead to air quality issues due to the development of mould.

Having gained popularity in the 1960s and 1970s, the cathedral roof (or cathedral ceiling) certainly offers the advantage of maximizing interior space, but it also comes with its share of disadvantages when the insulation and ventilation of the attic were not done properly at the time of the initial construction. These so-called “sloping” roofs are

It is well known that effective insulation provides a barrier against winter cold and moisture. But did you know that a well-insulated home also offers superior summer comfort? Indeed, during summer heat waves, a high-performance building envelope achieves: Keep heat outside Maintain a cool and pleasant room temperature Minimize your air conditioning costs STEP 1