Atlas Oil Staining on New Shingles: Allow Natural Weathering
Bulletin date: not stated in source
Atlas describes temporary darkening associated with asphalt oils, particularly after hot or prolonged storage. It recommends natural weathering and warns against pressure washing or chemical cleaning
Atlas technical bulletin: Asphalt Shingles - Oil Staining On New Shingles.
What this means for your roof
Atlas describes temporary darkening associated with asphalt oils, particularly after hot or prolonged storage. It recommends natural weathering and warns against pressure washing or chemical cleaning. The bulletin’s approximate weathering period is not a guarantee for every climate or stain.
A useful question for your contractor
Has the staining been identified before anyone proposes cleaning the roof?
Ask for the answer to be tied to the actual roof condition and the exact product being installed. Keep the agreed repair or installation detail with your estimate and project photos.
Bulletin dated: not stated in source. The date shown identifies the manufacturer document used for this summary.
Read Atlas: Asphalt Shingles - Oil Staining On New Shingles
This homeowner summary explains the cited bulletin. The complete manufacturer document and current product instructions govern the installation details. A requirement for one manufacturer or product should not be transferred to another without checking.