It appears that when it rains (in a certain direction), rainwater runs down the outside of the soil stack from the roof and collects between the soil pipe enclosure and the ceiling creating a large ish wet patch.
I believe that the soil stack entrance on the roof hasn't been finished properly and allows for water ingress.
We have an NHBC <1y cert.
Any ideas how to fix it?
I believe that the soil stack entrance on the roof hasn't been finished properly and allows for water ingress.
We have an NHBC <1y cert.
Any ideas how to fix it?