Commercial Roofers in Portland, ME

Portland's weather is driven by the Atlantic. Winters are cold and wet with nor'easters stacking up snow and ice, plus coastal wind that makes 25 degrees feel a lot worse. Summers are short and mild but fog rolls in off Casco Bay regularly, keeping everything damp. The shoulder seasons bring the wildest swings — a warm October day followed by an early freeze is completely normal here.

Salt-laden coastal air corrodes metal components faster than most building owners expect. Flashings, fasteners, and edge metal all degrade quicker near the waterfront, and even buildings a few miles inland see the effects. Nor'easters drive rain and snow horizontally, which means wind-driven moisture penetration is a bigger threat than simple ponding. The freeze-thaw cycle runs hard from November through April, working seams open bit by bit.