The freeze thaw cycle of Western Pennsylvania wintertime can cause severe ice damage to roofing systems. Ponded water in particular is the biggest area of concern. L&M Roofing offers winter roof cleaning and maintenance to keep the roof, drains, scuppers and gutters free of debris. Allowing the roof to drain properly will prevent any ponded water and help building owners avoid costly repairs. Call L&M Roofing today, Pittsburgh’s finest commercial roofing company.