Many homeowners focus only on the surface of their roof shingles, but performance also depends heavily on what is happening underneath—especially in the attic. Proper ventilation allows heat and moisture to escape, preventing conditions that can damage roof shingles from below. In Edmonton’s cold winters, poor ventilation contributes to ice dams, where melting snow refreezes at the ea... https://silverlineroofing.ca/the-definitive-guide-to-selecting-the-perfect-roof-shingles-for-your-home/