Definition
Thin metal pieces installed at roof joints, walls, and penetrations to seal out water where shingles alone can't. Failed flashing is one of the most common leak sources.
Why this term matters for homeowners
In Greater Rochester, roofing terms usually connect to material grade, freeze-thaw and ice-dam risk, and whether repair or replacement is the smarter long-term spend.
- Use this term to ask better follow-up questions during estimates.
- Look for this language in Learn and Evaluate guides to connect definition to decisions.
- Confirm how this applies to your specific roof age, pitch, and home layout.
Related pages
Category: Roofing