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Before completing the roof, the crew installed a rain collar around the pipe penetration to prevent water from seeping into the top of the base flashing.
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Before completing the roof, the crew installed a rain collar around the pipe penetration to prevent water from seeping into the top of the base flashing.
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Related words
rain collar
Noun
Japanese Meaning
貫通部（例えば窓枠や換気口など）のベースフラッシングの上部を覆い、水の侵入を防ぐために設置されるカウンターフラッシング部材
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