Understanding chimney flashing repair
The chimney-to-roof junction includes different water-shedding details around its sides, base, and uphill edge. Leaks in this area may involve flashing, masonry, a chimney cap, or nearby roofing, so identifying the cause matters. The contractor should explain what falls within roofing work and whether a separate chimney or masonry specialist is needed. Repeated surface sealing can hide the condition of the underlying components without establishing a lasting repair.
Signs to discuss
- Moisture appearing near the chimney inside the home
- Loose or damaged metal around the chimney base
- Recurring sealing at the roof-to-chimney junction
What the work may involve
- Review chimney junctions and accessible surrounding roofing
- Assess base, step, and counterflashing details as applicable
- Separate roofing work from chimney or masonry repairs if needed
Before agreeing to work
Ask which sides of the chimney are included and whether roofing or masonry will be disturbed. Water entering through another part of the chimney may require additional assessment. A contractor should not assume that every nearby leak can be solved by replacing one visible strip of flashing.
Questions for your contractor
- Is the leak coming from the roof junction or another chimney component?
- Which flashing details will be replaced or repaired?
- Will a chimney or masonry specialist also be needed?
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