So those with a single fold two panels are referred to as bi fold or bi folding window shutters while those with two folds three panels are known as tri fold or tri folding shutters.
Tri fold window shutters.
Convenient bi fold and multi fold track for shutters up to a maximum panel width of 20.
If two sets of hinges it s a tri fold shutter.
If the shutter has one set of hinges it s a bi fold shutter.
Provides even greater panel configuration for larger window areas.
Most shutters are single panel meaning they don t have a fold like folding closet doors.
Both sides of the window.
Flair fold shutters were sometimes configured into a double tier unit so it would consist of panels across the top and bottom.
However for wider windows folding shutters can be the better option because of their longer reach.
Popular for patio or sliding glass doors by pass tracks allow shutter panels to slide past each other on tracks to open and close.
Choosing the right number.
Using the correct measurements for the window the exterior shutters are custom made to fit your window but instead of only having a single panel or louver shutter there are two which fold over each other when opening.
The number of folds refers to one side.
Some are on tracks while some are not.
Cafe shutters were also popular where the flair fold shutters were only used at the bottom of the window.
The door style folding shutters are typically on a track but not all folding.
When referencing number of panels it s for one of the shutters not both i e.
For example if a window has bi fold shutters the entire window will have four shutter panels.
The popularity of blinds curtains and drapes decreased the demand for flair fold shutters.
You can also get shutters made up of multiple panels which glide along tracks on a set of wheels pictured.