- Reactive: The customer has a leak (s).
- Proactive: The customer wants a roofing expert to check the condition of their roof.
Some examples of roof penetrations are chimneys, skylights, vent pipes, and roof to wall transitions. In short, anything that comes up through a roof and is improperly flashed can create damage. During the due diligence phase of choosing your next roofing contractor, ask about the flashings and their methods for replacing or improving them.