WHY FREEZE-THAW CYCLES ARE HARD ON AGING ASPHALT SHINGLES
Why Freeze-Thaw Cycles Are Hard on Aging Asphalt Shingles Ontario winter does not stay at one temperature. A roof can experience: freeze → thaw → freeze again over and over throughout the season. Sun warms the roof. Snow begins to melt. Temperatures fall overnight. Water freezes again. For an aging asphalt roof, those repeated changes […]