Exterior Home Maintenance: How to Clean a Roof


Your roof is designed to keep you and everyone in your home protected and safe. Neglecting your roof, however, by not providing proper care and maintenance can lead to expensive roof repair Quincy MA and possible damage to the interior of your home. Thankfully, caring for your roof starts with annual cleanings, which is a relatively simple task if done correctly.

What Causes the Problem?

Age isn’t the only thing that can wear down your roof; mold and mildew, dirt, mold, and other debris can cause damage to your rood overtime. While mildew and moss is generally more of an annoyance, mold can actually eat away at the roof, deteriorating the roof’s structural integrity. Cleaning your roof once or twice a year, or as needed, will help keep roofing problems at bay.

Before you Clean

Before cleaning the roof, you will need to make sure you take the proper safety precautions. Roofs can be damage places that lead to serious injury and even death. That is why you should always have a friend or family member outside with you to hold the ladder steady and to be there in case to call for help. You should also wear shoes with good traction since roofs are often slippery.

Preparing the Roof

While you may be gung-ho to start scrubbing the roof, you should first prepare it to help making the actually cleaning process go much smoother. Rinsing the roof with a water hose will help remove debris, such as sticks and leaves, off the surface, while brushing with the broom will loosen in stuck on dirt or moss. Make sure to be mindful of your surroundings, and take care not to get too close to the roof’s edge.

Get to Scrubbing

There are several different cleaners available that will work well on your roof. Trisodium phosphate, also known as TSP, is a tough all-purpose cleaner commonly used to prepare walls for painting and to clean the exterior areas of your home. For a safer, more natural cleaner, consider utilizing vinegar or oxygen bleach to successfully kill mold and mildew, while removing dirt, grease and other debris from the roof. No matter what type of cleaner you use, use a scrub brush to scrub the roof clean and then rinse with a water hose.


No matter what type of cleaner you use, make sure to cover any plants located close to your home to protect them from potential damage that chemicals could cause them.