Avora euro design aluminum bi-fold doors are a great way to open space in your kitchen, office, or living room. The easy folding doors grant you a fast and easy transition to any room or environment. The thermal break glass and frame make the bi-fold a perfect choice for upgrading your house and is an energy-efficient and cost-effective solution for most openings. Argon gas and true seal weatherstripping keep your home warm in the winter and cool in the summer. The powder coating finish on the a