Check areas around the tub tub drain tub overflow shower door and toilet.
Bathroom water leakage.
Snap chalk lines on ceiling below and use a reciprocating saw to cut out the damaged drywall.
The only way to tell for sure what the issue is would be to go up onto the roof and examine the vent.
Plumbing leaks that occurred due to poor maintenance or neglect.
Inspect the backside of the damaged drywall for water damage.
Polybutylene plumbing a style of plumbing used during the 70 s and 90 s that is notoriously brittle and high risk.
Check the easiest to access spots first.
How to fix a leak from the upstairs bathroom types of plumbing leaks.
One of the tell tale signs of a water leak coming from a shower valve behind the wall are water stains.
If you have an upstairs bathroom you may notice dried water stains on the ceiling below the shower.
The flange is level with or below the surrounding floor surface.
If the faucet valve in the wall behind the tub is leaking water may be dripping down through the wall cavity to the ceiling below.
Inspect bathroom for water leaks.
If your bathroom exhaust fan leaks when it rains there could be a number of issues causing this.
Investigate appliances and fixtures if the water meter test indicates a leak inside your home check the cabinets under the kitchen laundry and bathroom sinks to make sure they re dry.
Checking the flashing vent cover damper sealant and shingles for signs of damage.
Such a leak will be quite steady.
This is most common in cheap fiberglass or acrylic tubs and is virtually unheard of in porcelain or steel enameled tubs.
Open the access panel behind the bathroom wet wall to inspect the bathtub s water valves.
Remove the toilet photo 2 and look for these leak sources.
The flange is loose not screwed solidly to the subfloor.
Much less commonly a bathtub may develop actual cracks or holes in the body of the tub with water leakage occurring directly through the sides or body of the tub into the wall or floor spaces.
How insurance adjusters will decide if they ll cover your water leak.
Cracks in the flange.
Leaks in the upstairs bathroom can be more troublesome than leaks downstairs because there s a possibility the leak will cause damage to the ceiling and.
If the leak appears as a damp spot that alternately dries and reoccurs on the ceiling above.
When someone is showering you might see water dripping from the ceiling.