The water could also be coming from a leak in the roof or around a window.
How to trace a water leak in roof.
When the roof is dry go on the roof and transfer the measurements to the roof allowing for any overhang on the end of the roof.
How to make sure where your leak is coming from to check for sure you can use these tips.
Damp spots around interior air vents or fireplaces.
Look in the attic with a flashlight for evidence like water stains trhen trace them up the roof and rafters to the entry point.
On a nice day have a helper tap on the mark while you re on the roof.
Most noticeable to the eye are leaks caused by an object for example an errant nail that s managed.
If you have an attic the easiest way to spot the leak is to up there on a rainy day.
Take a hose safely up onto your roof and spray the suspected area.
Water will reflect light so bring a flashlight along.
The presence of rust on the flashing and gaps on your siding are also good indicators of roof leaks.
Learn how to find a water leak here.
Moist drywall or paint around light fixtures or electrical outlets.
Interior paint bubbling or peeling during hard rains.
Here are a 19 signs you may have a roof leak.
Start low soaking the area just above where the leak appears in the house.
If the leak isn t obvious have a helper watch in the attic while you get on the roof with a garden hose.
Isolate areas when you run the hose.
Use a garden hose with nozzle control to water test for roof leaks.
If a leak is difficult to find enlist a helper and go up on the roof with a garden hose.
For example soak the downhill side of a chimney first then each side then the top on both sides.
Inspect the underside of the roof for objects that have pierced it or have been attached to it.
Water stains or damp spots on your ceiling.
Go inside and have a look to see whether water is tricking inside at the spot you suspect.
Identifying the true location of roof leaks in the attic.
Either way leaks should be addressed promptly to reduce the risk of water damage.
The person in the attic watches carefully while the one on the roof floods the roof with the hose starting at the bottom the eaves and slowly working uproof until water from the leak appears in the attic.
Begin soaking low on the roof just above where the leak is visible inside the house.
Measure down from the roof peak to the highest point of the leak and over from a gable end to the leak.
Inspect the walls outside of your home for any watermarks.
Edges of the roof are usually several inches away from the siding and walls so only roof leaks are the likely cause for water stains on the upper half of your sidings.