Central Ohio Real Estate Market News

Notice the roof on this home? See the dark stains that appear to be flowing downward?

In homes over 5-6 years old, this is a common occurrence in central Ohio. Buyers might think the roof is bad and in need of replacement, but this may not be the case. Often the streaks are simply caused by an algae that grows only on the northern side of the roof where sunlight doesn’t penetrate. (it’s similar to moss growing on the north side of trees). It may be more prevalent in wooded areas as well. Some experts say bird droppings provide the environment for the algae to grow.

There are companies that can solve the problem and make the roof look like new again. To correct and clean the roof, they spray-wash the roof with a special mixture that kills the algae. The cost for this procedure is far less than the cost of a new roof.

If you are a buyer and drive-by such a home, don’t automatically assume it has a bad roof. It may just need a good cleaning. If you choose to buy such a home, your home inspector can tell you if the roof is old or if it’s just algae.

If you are a seller and your roof has these streaks, you’ll improve your curb appeal by having the roof washed prior to putting your home on the market.

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