It is theorized that dark-coloured roofs can contribute to the urban heat island effect (the temperature in cities is higher than the surrounding unpopulated areas). This theory, based on satellite temperature sensing observations and computer models, suggests that if homeowners replaced their dark shingles or other roof coverings with lighter coloured (more reflective) products, the …
Tag Archives: ventilation
Ventilation key to proper insulation
A CLOSER LOOK: Without appropriate air flow, moisture buildup in an insulated attic may lead to mould and premature failure of roof decking and framing. Rob Parker, Special to QMI Agency Wednesday, September 19, 2012 Posted with the permission of the author. Originally published in The London Free Press, Saturday, September 22, 2012. One of …
