Revisions log for Answer #1846
This is the answer to the question Have you encountered problems with the absence of emergency drainage from a flat roof?
Revision 1
2022‑08‑28 03:28
Active REV1
Initial text
Our pipe goes from the roof to the open drainpipe and only then to the downpipe. If the gutter is clogged, the box overflows. I know this from other flat roofs with outside gutters.
So maybe just retrofit the trap? It's unlikely that all 3 downspouts will get clogged.