Grey On Underside Of Roof

An onyx black roof has the same undertones as a dark gray roof.

Grey on underside of roof.

For a more edgy look try a brighter yellow with a dark gray roof. The yellow is more pronounced on a sunny day. See debris staining roof debris and see proximate cause roof shingle stains types of roof stain by color location probable cause and. 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.

Mold growth on attic roof sheathing is a common issue in cool climates such as the pacific northwest. They are both really classic and look sharp but my preference is the gray because its a little less heavy. For a more traditional look a sunny light yellow pairs beautifully with a light gray roof. So the metal gray is dominant.

This occurs when the temperature of the sheathing drops below the dew point creating a thin layer of moisture on the substrate. In terms of siding colors there is so much that goes into picking an exterior color. Yellow and gray is a classic color pairing that works well on all types of houses. In the vast majority of cases the mold growth is caused by condensation.

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.