The problem is one of two things or perhaps a combination of both.
My french doors are leaking.
Carefully remove the threshold from.
Along the jambs or in between french doors.
How to fix a french door sill leak 1.
Leaking exterior doors are a common problem affecting building owners and tenants causing property damage and requiring expensive repairs.
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If that is the case there is no reason why french doors that open into your home should leak.
Open your french doors and prop them fully open.
Designers and builders are aware of the issue.
Nevertheless they continually struggle to prevent water infiltration through this fundamental building element.
Sliding doors overlap which is a more energy efficient design and creates a tighter seal.
Tighten the screws in the hinges at the edges of the doors and at the faces.
However in some instances.
4 major leak prone areas around your door upper corners.
Caulk the bottom of the threshold until the entire surface is covered with caulk.
When a door leaks the most common suspect is the bottom corner of the unit.
However french doors come together with no overlap and an increased chance for air infiltration.
Open both doors fully and stabilize each with a doorstop.
The weatherstrip provides consistent compressed seal and is usually designed.
French doors have poor energy efficiency ratings the area where they meet at the center is susceptible to air and water leakage.