Bi-fold window
A window with two or more sashes hinged to a frame or each other that slide open horizontally and fold like an accordion. When fully opened, it creates a wide, clear opening.Also called sliding folding window.
A window with two or more sashes hinged to a frame or each other that slide open horizontally and fold like an accordion. When fully opened, it creates a wide, clear opening.Also called sliding folding window.