Dear Forum,
We are currently planning our new build with internal downpipes. Our architect has planned for these to pass through the external insulation at four points. We recently spoke with our roofer, who has limited experience with this but warned that in case of material defects, moisture could penetrate the masonry unnoticed. What are your experiences and opinions on this?
We are currently planning our new build with internal downpipes. Our architect has planned for these to pass through the external insulation at four points. We recently spoke with our roofer, who has limited experience with this but warned that in case of material defects, moisture could penetrate the masonry unnoticed. What are your experiences and opinions on this?
Traumfaenger schrieb:
I just remembered, we also have four outdoor water taps that are supplied from the inside, and I’m wondering how the water actually gets there.For example, from inside, underneath the screed. Or planned directly. Due to structural considerations, no pipes are planned inside the exterior walls, but of course there are penetrations. These do not affect the structural integrity. But... goodness: everything is possible. You just don’t have to do everything. Some things rule themselves out. Whether this belongs to that category? No idea. At least the roofer has concerns, and the question from the original poster is definitely valid – even if for some people it has worked fine for 3 or 5 years.
Flat roofs from the 1960s also stayed watertight for the first few years...
some still do.
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