The number of folds refers to the number of shutter panels on each side of the window connected by hinges as opposed to the total number of panels on each window.
Tri fold window shutters.
Popular for patio or sliding glass doors by pass tracks allow shutter panels to slide past each other on tracks to open and close.
When referencing number of panels it s for one of the shutters not both i e.
The number of folds refers to one side.
You can also get shutters made up of multiple panels which glide along tracks on a set of wheels pictured.
The popularity of blinds curtains and drapes decreased the demand for flair fold shutters.
For example if a window has bi fold shutters the entire window will have four shutter panels.
Cafe shutters were also popular where the flair fold shutters were only used at the bottom of the window.
Convenient bi fold and multi fold track for shutters up to a maximum panel width of 20.
However for wider windows folding shutters can be the better option because of their longer reach.
You can get 2 panel bi fold and 3 panel tri fold types.
Most shutters are single panel meaning they don t have a fold like folding closet doors.
Some are on tracks while some are not.
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.
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.
The door style folding shutters are typically on a track but not all folding.
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.
Provides even greater panel configuration for larger window areas.
Both sides of the window.