Today went up on the roof with the drywall installer and took pictures. Around the perimeter, various large-scale moisture spots can be seen. Mainly in the area of the roof edge/roof box. Mostly dry towards the top.
The drywall installer said that the insulation of the ETICS was applied too high. Meaning it ends flush with the roofing membrane and hardly any air can circulate over the roof box in the cold cavity. Could that really be the sole reason?
Ultimately, the vapor retarder (not barrier) must still be multiply defective, as indicated by the various moisture hotspots.
So probably a mix of leakage and the lack of circulation in the cold roof.
The drywall installer said that because of the insulation, an upgrade would be necessary and the roof box has to come off, since from the inside, due to the sharp angle, you can at best just reach the insulation boards with child’s hands.
I’m just glad that because of a back spasm I couldn’t plank the attic in time, otherwise one wouldn’t be able to get to the insulation wool, or I would’ve had to tear it open again.
The drywall installer actually wanted to close up the ceilings on the upper floor by next Tuesday. That probably won’t happen before the moisture issue has been addressed? I would have liked to have it done already... ah, this is all so frustrating. The tiler is coming on Monday, money keeps being poured in and you don’t know if it’s still worth it.
Feeling the urge to start smoking again after years...
