The black streaks are usually caused by an algae known as Gloeocapsa magma. It thrives in areas of high humidity and tends to grow best on the north side of roofs or areas that don't receive much sunlight. Once it establishes itself in an area it spreads from house to house and will get worse every year.

Yes. Sometimes the early signs of algal or fungal growth are not easily seen from the ground. We will gladly give you a FREE evaluation of the condition of your roof to see if our services are right for you.

It depends on the severity of the situation and which cleaning method you choose. Please call us for a FREE,  no obligation estimate.

Yes.  We can clean sidewalks, patios, driveways, and many other surfaces.  They will not only look much better, they will be much safer to walk on.

Yes. We can do many repairs both inside and outside the home. We especially welcome inside jobs during the winter months. Call us with your problem. Emergency service available.

No. We can make suggestions as to the quality of your roof, but we are not professional roofing contractors.

They are a type of fungus that feeds off the algae on your roof. This can be particularly destructive. Once it takes hold it slowly starts to decompose your roof granules to expose the underlying asphalt. This leaves your roof vulnerable to the  elements.

  Close-up picture of lichens.

Please call us with your question.