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