Step 1 examining your home s exterior structure is the first step toward finding your leaky siding area.
Fixing siding leaks.
Check to be sure weep holes are open along bottom of window openings.
Siding leak causes find the cause of leaky building siding the article lists the causes of leaks into building walls and provides links to in depth diagnostic and repair articles for each of them.
Start by looking in the area where you ve spotted the stain.
Inspect the area above the leak including both indoors and out.
Siding leak diagnosis and repair.
In this video this old house general contractor tom silva shows how to prevent water from leaking in behind vinyl siding.
This article describes the causes of all types of leaks in building siding and wall coverings.
Depending on the type of siding you have wood or vinyl you will have to take a specific approach in fixing the problem.
Fixing old caulk or glaze isn t difficult especially if the damage is obvious but your task can be difficult if the leak is in the window frame or the siding.