Grey On Underside Of Roof

In terms of siding colors there is so much that goes into picking an exterior color.

Grey on underside of roof. Lichens is not a stain in the proper sense of the word but on asphalt wood or some other surfaces it can damage the roof and reduce its future life. Black brown or gray stains on roofing products due to debris left on the roof surface such as piles of leaves and organic waste from nearby trees. An onyx black roof has the same undertones as a dark gray roof. For a more traditional look a sunny light yellow pairs beautifully with a light gray roof.

This occurs when the temperature of the sheathing drops below the dew point creating a thin layer of moisture on the substrate. So the metal gray is dominant. They are both really classic and look sharp but my preference is the gray because its a little less heavy. In the vast majority of cases the mold growth is caused by condensation.

For a more edgy look try a brighter yellow with a dark gray roof. The house sits on a corner and the side of the house really shows a lot of roof. See debris staining roof debris and see proximate cause roof shingle stains types of roof stain by color location probable cause and. Mold growth on attic roof sheathing is a common issue in cool climates such as the pacific northwest.

The yellow is more pronounced on a sunny day.