Express Bi Folding Doors

Bi-folding doors, or bi fold doors, sometimes called concertina doors, folding doors, or multi folding create a 90% clear opening which turns your outside space into another usable room for the house or business. They are a fantastic alternative to French doors or patio doors which only offer a 40% opening. Express Bi-folding doors create endless opportunities for design and add a new dimension to your home or business.