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Saturday morning: You step outside, the air is fresh; you're getting ready to shovel the walkway. Then you look up only to see long stalactites lined up along the eaves, forming a wall of ice!

How to get rid of ice on the roof edge


The R-value and its metric equivalent, the RSI value (Resistance System International - RSI = R x 0.176), are used to rate the effectiveness of insulation materials.

Learn more about the R-value

New requirements

A new thermal insulation standard, adopted by the Régie du bâtiment du Québec (RBQ), has been in force since August 30, 2012. It is aimed at fostering energy efficiency and reducing greenhouse gas emissions (GHG)..

More details on the new standards

Thermal Bridges

A thermal bridge is a connection between two walls that allows air to seep through. Often, thermal bridges are located in hard-to-reach areas, resulting in an insulation breach that causes significant heat loss.

What to do with a thermal bridge


"Mould" refers to microscopic fungi, usually black or white, that is sometimes found on food and moist surfaces.

Learn more about mould