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Step flashing
Step flashing is a series of small flashing pieces that weave with shingles where a roof meets a wall.
Why it matters
Roof-to-wall joints are leak factories. Step flashing is how you manage water at that joint.
Where people get this wrong
Caulk is not a substitute for step flashing. One long piece is not the same as proper step flashing in many cases.
Real-world example
You see water staining on a ceiling near a chimney or a dormer wall. The leak often lives at the roof-to-wall flashing detail.
Where this hits your build
This affects how your home handles water. Water damage is one of the most expensive problems to fix, and it often starts with details that seem small.
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