It appears you need an astragal.
Sealing gap between french doors.
It seals the gap most french doors have.
Silicone seal strip 8m 26ft door strip bottom for doors silicone sealing sticker adhesive for doors and windows gaps of anti collision silicone 45mm black 4 4 out of 5 stars 3 606 16 98 16.
An astragal is an essential piece of hardware for your french doors.
An astragal is a vertical strip which attaches to the inactive door panel locking it in place.
In this diy video we show you how to repair french doors that have come out of alignment.
A good lumber yard that sells doors will also be able to assist you in fixing this issue.
Why do i need an astragal for my french doors.
Were these double doors originally or two doors installed as double doors.
It s not uncommon for a gap or crack to exist where the two doors come together.
We show you how to root cause the reason why your french doors ali.
French doors can be a weak point for letting moisture light sounds bugs cold air and dirt into your home.
Doors allow more air to escape than windows and because french doors offer twice as many seams and gaps for air to leak in or out proper weatherstripping is key to keeping cool in the summer and warm in the winter.
It can be harder to regulate the temperature of a room with french doors especially if they are drafty.
You can learn more about astragal systems in our blog.