In a rainstorm you may see water at the top of the foundation running down or leaving a stain.
Superhydrophobic wall siding leaking water.
The wood clapboard sided home shown above located in poughkeepsie new york was badly damaged by leaks into the wall that ensued from yankee gutter leaks and downspout leaks below a roof valley.
Although vinyl is impervious to water when installed as directed by the manufacturer vinyl siding as a whole is not completely watertight.
Then using a drywall saw cut along the line you just scored.
Cut a hole in the wall large enough for your head to fit inside.
Ultimately water began to appear on the floor of the kitchen inside.
Water leaks at soffit or eave overhang penetrations for chimneys that permits water to leak at the roof surface then pass behind the siding if the chimney is not properly flashed.
Use a utility knife to score a line about 10 inches 25 cm long into your drywall at the location where you see visible signs of a water leak mold discolored drywall etc.
Wood siding leaks damage.