Flashing (weatherproofing)

（重定向自Lead flashing）

Chimney flashing on a tile roof on the Island of Jersey.

The flashing visible here is the apron below the dormer and the valley flashing in the open valley. The step flashing (soakers) are properly installed below the roof and wall shingles and is not visible. Hôtel Demoret Moulins, France

Flashing refers to thin pieces of impervious material installed to prevent the passage of water into a structure from a joint or as part of a weather resistant barrier (WRB) system.

单词	Lead flashing
释义	Lead flashing 英语百科 Flashing (weatherproofing) （重定向自Lead flashing） Flashing refers to thin pieces of impervious material installed to prevent the passage of water into a structure from a joint or as part of a weather resistant barrier (WRB) system.
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