Answer :
Final answer:
In the context of roofing and construction, when roofs intersect with walls, they often require a chimney flashing. This type of flashing is designed to prevent water seepage at the roof-wall joints much like in the case with chimneys.
Explanation:
Roof intersecting walls typically require something similar to chimney flashing. Chimney flashing is used specifically where walls intersect with the roof, much like the scenario presented in your question. This type of flashing is designed to prevent water from seeping into the joints between the chimney and the roof. Like other types of flashing, chimney flashing has two parts: the base flashing, which redirects the bulk of the water, and the cap flashing, which is installed into the chimney mortar joints to provide the final layer of water protection.
Learn more about Chimney Flashing here:
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