Is it after a rain storm or car wash.
Rain water leaking from roof.
The water courses will leak and on concrete roof tiles water will also leak over the upstream edge of the tile.
It this is the case you need to create a breathable shield to slow the driving rain drops while still allowing air flow.
Not to mention your gutters simply may not be able to keep up with the downpour.
And on occasion a hard driving rain with whipping wind will cause roof vents to leak water.
Across the joists lay a piece of plywood and put a bucket to contain the water and if necessary prepare a second bucket to replace the first when already full.
Over time rain gutters often start to pull away from the roof allowing water to drip over the gutter sides or between the gutters and the walls.
Caulk can be old cracked or even missing between.
Even if your roof is well maintained or fairly new heavy rainfall is still a cause for concern.
Often wind driven rain comes in from above the roof especially around windows between corner boards and siding and through cracks and knotholes in siding.
Water could get into the attic or above your ceiling and either drip to the floor or roll along the stringer the long piece of wood that spaces out the roof trusses and runs the length of your house.
We all know that water obeys the laws of gravity so will always pool in the lowest area but it can run along wires travel up cardboard and fabric surfaces and generally do its best to disguise where it came from in the first place.
For example your roof might have a leak through the attic vent or roof shingle at the top.
Dirty or broken watercourses.
Dormer walls provide lots of spots where water can dribble down and enter the roof.
If your roof vent leaks during heavy rain the rain may be blowing up under the hood and into the vent.
This is how to stop a roof leak in the rain.
How to fix leaking rain gutters.
Use a sponge to absorb any standing water.
How to stop a leaking roof during heavy rains.
The first clue to help find the leak is when it happens.
Water doesn t always come in at the shingled surface.
The areas of your roof that are prone to pooling water can lead to a leak during heavy rain.
The immediate thing to do is to contain dripping water from the leak.
Roof leaks in heavy rain learn why.
A roof that leaks is a problem in any weather but a roof that suddenly begins to leak during a heavy rainstorm can quickly turn into an emergency.
If your roof vent only leaks during heavy rain you may be able to create a shield to prevent the rain from entering the vent.