It s not uncommon for a gap or crack to exist where the two doors come together.
Door air gap.
Water leaking around the door or water leaking under the door or door bottom.
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The conventional wisdom on door.
A door gap resulting in light under the door or peeking around the edges of the door.
Door undercuts are one such return air pathway.
A drafty door with chilly drafts air blowing through your entryway.
The air pumped into a bedroom needs to find its way back to the air conditioner heat pump or furnace.
Because one or both of the french doors are moving many traditional weatherstripping solutions just don t apply.
A visible door gap between the door and door frame.
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French doors can be a weak point for letting moisture light sounds bugs cold air and dirt into your home.
Door undercuts typically won t allow enough air to get out of the bedroom unless you leave a gap bigger than most people want under their doors.