ᐅ Is the plaster still too wet, or has it already dried to the normal level?
Created on: 20 Jan 2018 17:22
3
305er
Hi, the interior plastering of our new build made from Ytong was completed on 10.10.17.
On 23.10., the cement screed was installed with an added fast-drying agent. According to the screed installer, it can be covered after 14 days.
Now it is the end of January, and in some rooms on the upper floor, certain spots are still damp.
After Christmas, we used a construction dryer for 10 days, which extracted about 1-1.5 liters per hour.
We have been ventilating regularly.
The floor heating drying program never ran properly before, but it is finally working continuously now.
It was assumed the walls were dry, but when the underfloor heating was heated again to 35°C (95°F), the same areas were damp the next day.
One spot/corner sounds hollow when tapped near the dry area.
Is this still normal for these spots due to the extreme heat, or do we have a moisture problem?
Our completely useless site manager says it is normal.
The worst areas were before the construction dryer was used.
On 23.10., the cement screed was installed with an added fast-drying agent. According to the screed installer, it can be covered after 14 days.
Now it is the end of January, and in some rooms on the upper floor, certain spots are still damp.
After Christmas, we used a construction dryer for 10 days, which extracted about 1-1.5 liters per hour.
We have been ventilating regularly.
The floor heating drying program never ran properly before, but it is finally working continuously now.
It was assumed the walls were dry, but when the underfloor heating was heated again to 35°C (95°F), the same areas were damp the next day.
One spot/corner sounds hollow when tapped near the dry area.
Is this still normal for these spots due to the extreme heat, or do we have a moisture problem?
Our completely useless site manager says it is normal.
The worst areas were before the construction dryer was used.
Nordlys schrieb:
No more remote diagnoses. This should be inspected by a bricklayer, an engineer, or someone similar. An expert, not a bricklayer, please. Given the mold damage and the condition "Still not dry," this needs to be done properly once and for all.
K
Knallkörper22 Jan 2018 22:09305er schrieb:
What do you mean by not spending the money? We already had a construction dehumidifier running for 10 days, and our thermometer showed 55% humidity.One construction dehumidifier for 10 days is not enough. 55% at what temperature? If you are sure no water is coming from the outside: heat more, ventilate more, and/or use a dehumidifier. Do not start wallpapering.
Exactly one year ago, we were in the same situation. For us, it was sometimes even worse... constantly forming damp spots in the corners (top and bottom) and also quite severely around the roof window. I was worried back then as well. I kept wiping the moisture off the corners with a cloth and ventilated regularly. This helped a lot, and the situation gradually improved. I always kept a hygrometer nearby to monitor the humidity. We have been living here since June, and now there is no more dampness in the corners or around the roof window.
The plaster and screed were applied in November.
On February 22, it still looked like this (see pictures).
At the end of April, the floorboards were finally installed.
Fortunately, we were not under any time pressure.
Best regards, Steffi.
The plaster and screed were applied in November.
On February 22, it still looked like this (see pictures).
At the end of April, the floorboards were finally installed.
Fortunately, we were not under any time pressure.
Best regards, Steffi.