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.
Mobile home bathroom roof vent problems.
Bring a garden hose onto the roof and adjust the nozzle to the jet setting.
It opens by suction.
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.
Without a healthy vent system your home can suffer a variety of annoying problems.
Spray water into the vent opening.
If the backflow problem is not caused by a stoppage you may have a ventilation issue.
Another issue could be poor grade on your drain line.
That may be enough to clear the vents but if it isn t water will fill them and.
Vent your bath and kitchen exhaust fans through the roof through a special roof hood.
Try adding an additional vent for the master bath sink tub and toilet tie them together on a single waste line.
How does a check vent work.
When you climb the roof you may find that the vent opening is blocked with leaves and other debris.
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.
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.
If an individual sink vent is blocked that.