TROUBLESHOOTING GREEN BUILDING SYSTEMS
Explain ghosting on a wall or snow / frost shadowing on an actual roof.Your roof or a roof in your community.
What do you believe is causing the ghosting or shadowing? What is the impact on this structure and how might you resolve this problem?
If you cannot find any problems address a roof or wall that is built using building science concepts. Consider attaching two photos, one with no snow shadowing and one with snow shadowing.