So I would assume so. My limited understanding is that would be essentially mandatory for a new build house and is the reason the weep holes are there. I can't tell how to tell whether its working or installed correctly, or whether the flashing could be defective though.
Any advice appreciated
Hi all - apologies in this is the wrong forum - happy to move where needed
We have a new-ish build home - around 4 years old now so under NHCB's warranty rather than the original builders.
A couple of weeks ago we noticed water ingress that must be coming from the joints between the bay window...