In the attic, the bathroom fan was connected to the wrong vent (regular roof vent) with a non- insulated metal pipe.
During the winter condensation from exhaust/roof vent connection escaped and resulted in water marks. To avoid the issue:
In the attic installed new insulated flex pipe and connected between bathroom fan and also installed a new roof exhaust vent
- Company Response
Thank you very much Urooj Mkhan for your positive feedback, we highly appreciate your business and hope to help you with any other projects in the future.