General

These steps will help ensure your roof cleaning goes smoothly: Please do not schedule window cleaners, lawn care providers, or other contractors on the day of your roof cleaning. Keep pets [...]

Power washing can cause serious damage, such as dislodging siding or forcing water under siding or soffits. Power washing is often not recommended by siding manufacturers and may void the terms [...]

Using a pressure washer to clean a roof can easily cause irreparable damage, especially on asphalt roofs.  The strong pressure dislodges granules from shingles causing them to fail prematurely. [...]

Roof moss and lichens anchor into the top layer of the shingles and remove granules.  Moss and lichens grow up into the gullets of the shingles and along edges causing them to lift and make the [...]

Algae feed on the limestone filler used to give the shingles weight.  Over time, the ceramic granules protecting the surface of the shingle begin to loosen and wash off.  This diminishes the [...]

Algae feeds on the limestone filler in asphalt shingles.  Because it is grasping onto the shingles it will not wash away over time.  If fact, it will continue to spread and darken until removed. [...]

For many years, roof discoloration caused by algae has been observed throughout the United States and Canada. The discoloration usually has a brown to black appearance, and may be mistaken for [...]