February 17, 2017 21:40
White roof or black roof? This simple question has perplexed and even polarized segments of the construction community for much of the last decade. The new ERA White Paper, entitled “Cool Roofs in Northern Climates: Energy Efficiency and Moisture Performance Implications” answers this question.
April 14, 2015 20:06
The logic seems so black and white: white roofs are cool and black roofs are warm, therefore a white roof is better in a hot climate and a black roof is better in a cold climate. However, the logic begins to break down as one considers the application of cool roofs in the less obvious conditions of northern climates where the right answer becomes increasingly “gray.”