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Roof Washing

More and more, homeowners and property managers are realizing the aesthetic and economic benefits of simply cleaning their roofs.


Unsightly black streaking on roofs is caused primarily by a wind-borne roof algae (known as Gloeocapsa Magma) and can be safely removed with minimal impact on the roof shingles. Removal of mold, mildew, moss, and accumulating lichen can not only improve the appearance of the roof, but also improves the effectiveness of the roof by allowing the shingles to properly reflect heat and moisture.


Cedar shingle roofs are designed, with proper maintenance, to last between 30 and 40 years! However, accumulating mildew or moss and long-term exposure to the elements can cause premature failure. Cleaning cedar shingle roofs provides a dramatic improvement in appearance. After cleaning, application of a sealant will protect the roof for several years by preventing water penetration and deterioration caused by UV light.

  • Browse our before-and-after photos of INSTA-BRITE roof projects!

  • INSTA-BRITE has done work for me a number of times. Their prices are reasonable and their workers are very courteous. I highly recommend them.

    – John M., Scituate, MA
  • Thank you for a fantastic job! We will highly recommend you!

    – John & Lauren S., Abington, MA
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