How do you seal a gap between double doors?

You can use silicone weather stripping, door sweeps, or a combination of the two to seal the area between your double doors. The silicone creates a soft and durable seal, while the door sweep acts as an extra barrier to prevent cold drafts from entering through them.

What is the piece between double doors?

Mullion for Double Doors Fixed mullions are an integral part of the frame between two doors. They allow the doors to swing off the mullion if required. This type of mullion actually separates the doors and causes the doors to become single doors within the frame.

How do you seal a French door gap?

Close the gap between the two doors with insulated molding. Nail it to one of the doors using small wood nails so that it overlaps the other door by about one-half inch, covering the gap. Place nails about every 5 inches. Cover the nail heads with wood putty and sand them smooth.

What is an astragal on a door?

Attached to the meeting edge of single or double doors, astragals are vertical components designed to seal off gaps that leak air, water, noise, light, and debris. They can also function to detain gases, smoke, or flames in the event of a fire. Last, astragals can increase the security of door locks and strikes.

What is a double door mullion?

Resolution: A Mullion is a vertical frame member set in a double door opening which will allow both door leaves to be active. Mullions can be fixed or removable. Mullions may also occur between a door and a sidelight or as a vertical and/ or horizontal member separating lights or panels.

How do you fix a drafty double door?

Align your French doors with the frame. You can do this by tightening the hinges or removing and replacing them. Put adhesive weatherstripping foam around the door frame where the French doors touch. Look for cracks in your door, especially around glass panes, and fill them with caulking.

Does a double door need an astragal?

Double doors often require a hardware device known as an “astragal.” The astragal helps seal the gap between pairs of doors, and is used to block sound or air drafts.

What is a floating astragal?

The astragal is a vertical component between door panels that allows your French door system to lock out unwanted guests, seal out water and air, and keep insects outside your home.