How Often Should You Clean Your Commercial Roof?

Kathleen Maxwell | November 7, 2022

commercial roof at twilight.

Commercial roof cleaning may not seem like the most important roof maintenance issue, but cleaning your commercial roof is one of the easiest and most cost-effective ways to ensure that your roof continues functioning properly.

So how often should you clean your commercial roof? You should clean a commercial roof at least once a year, but exactly when and how often will depend on your business, climate, and the type of roof you have. 

Clean your roof between seasons

As temperatures change, the situation atop your roof also shifts. Moisture that collects on the roof or in a gutter may freeze in winter. Scattered debris will get swept around in spring rainstorms, and the roof itself will expand or contract based on the temperature. 

If left alone, water or snow can turn to ice, forming a barrier on the edge of the roof and blocking moisture from escaping through drains or gutters. Debris can build up, deteriorating the roof and its surface. It can also cause water to back up into the building once the ice melts. To prevent these seasonal changes from damaging your roof, it’s wise to clean your commercial roof before temperatures change, preparing it for the season to come.

Clean your roof after a storm

Storms and other weather events are a primary cause of roof damage. Tree branches, leaves, and excess water can all wind up on a roof after a storm. Even if your commercial roof avoids damage in a storm, you should still be sure to clean off any debris, which can cause damage or block moisture from leaving the roof surface.

Clean your roof throughout the summer

In hot climates, many commercial buildings have “cool roofs,” a white roof to reflect the sun away from the building. To function properly, cool roofs need to maintain their clean white surface. Cleaning dirt and grime off a cool roof in summer will allow the roof to continue reflecting the sun’s rays and cooling the building. It also allows for a roofing contractor to thoroughly inspect the roof’s surface for any deficiencies or blemishes. 

Always clean your roof at regular intervals

Even when there are no storms or dramatic seasonal changes, it’s important to maintain a regular cleaning schedule for all commercial roofs. Commercial roof cleaning is necessary for both sloped and flat roofs at least once a year.

If you’re ready to learn more about commercial roof cleaning, contact Maxwell Roofing & Sheet Metal today. Our team is ready to guide you to the best services to keep your roof clean and functioning well.

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