Spray water into the vent opening.
Mobile home bathroom roof vent problems.
Without a healthy vent system your home can suffer a variety of annoying problems.
A common problem with roof caps for bath fans if you have a home that was roofed before 2006 there is a good chance that one or more of your bathroom exhaust fans aren t doing their job properly if they re vented through the roof.
When you climb the roof you may find that the vent opening is blocked with leaves and other debris.
Read our mobile home bathroom guide here to learn more about mobile home bathtubs.
If the backflow problem is not caused by a stoppage you may have a ventilation issue.
That may be enough to clear the vents but if it isn t water will fill them and.
If so clearing the debris should solve the problem.
When water is released from the sink into the drain the check vent opens and allows air into the drain pipe so the water can smoothly flow away.
Venting through a roof vent or exhausting them in the attic could cause moisture problems and rot.
How does a check vent work.
To save money many mobile home manufacturers opt to use check vents under sinks rather than spending time to run a vent pipe up through the roof.
Another issue could be poor grade on your drain line.
It opens by suction.
If an individual sink vent is blocked that.
A lot of venting issues are mistakenly thought to be drainage issues in mobile homes but they are absolutely caused by improper or imbalanced venting design.