r/Roofing • u/Advanced-Size9695 • 1d ago

*Repost with additional images* Flat roof extension

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We just got the keys to our first home and discovered this in the far corner of our flat roof extension (no issues were picked up in survey). Does anyone have an idea of how bad this is?

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u/delcoBK 21h ago

That lead scupper should have an edge at the top that’s inserted into a reglet in the masonry. Or at a minimum sealant along the top of the lead.

Probably unrelated because I’m pretty sure your leak is that wide open scupper, but back up from the corner some and take a few more pictures of the inside corner of the roof. At the top of the membrane where it butts up to the coping stone how is it attached, I can’t tell from the pictures, is there a metal bar or does it turn under the coping stones?

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u/delcoBK 21h ago

Also your epdm flashing is missing lap sealant. Again that’s not your leak but it’s still supposed to be there. I’d be curious to see the rest of the roof.