Core terms · definition
Thin water-resistant material installed at joints and transitions (roof-to-wall, around windows and penetrations) to direct water away and prevent leaks into the assembly.
Source: InterNACHI — Inspection Glossary: Flashing
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Where this term fits in a remodel
The pillar guides set terms like this one in context — what the work involves, what drives its cost, and where it sits in the sequence of a project. Pricing a specific house takes a defined scope and an on-site assessment.