Ice Dams in Pennsylvania: What Causes Them and How to Stop Them
QUICK ANSWER An ice dam is a ridge of ice that builds up along the lower edge of a roof and traps melting snow behind it. The usual cause is heat escaping from your living space into the attic, which warms the roof, melts the snow, and lets the water run down and refreeze at […]
Roof Snow Removal: When It’s Necessary and When It Causes More Damage
QUICK ANSWER Depth is a poor trigger for clearing a roof. Wet settled snow can weigh three to four times what the same depth of dry powder weighs, so what matters is load, not inches. Clear when accumulation approaches a meaningful share of the roof’s design snow load, when drifts have piled against parapets or […]