4 Panel Sliding Glass Patio Doors – The enormous growth in demand for folding sliding doors on the last two or three years has resulted in a rapid increase in the selection of door systems available for the customer. Also known as bi-fold doors, bi-folding doors, multi-fold concertina doors and doors they are known as folding sliding doors due to the opening actions itself.
Folding sliding doors are an ideal replacement for sliding patio doors or present French where they can literally transform the present opening and open the room up to the exterior. This sort of bi-folding door is currently becoming the most sought after door fashion house extensions whilst also establishing a popular upgrade selection for homeowners adding a conservatory with their property due to their capability to seamlessly merge the new conservatory with the garden effectively bringing the outside inside and for new build.
Even though the original concept of a folding sliding door dates back over 100 years where they were regularly used for closing off little storage areas today’s folding sliding doors were created to be high performance energy efficient patio doors using the newest advanced insulation characteristics in both door and glazing construction.
Folding sliding doors not only permit broader unobstructed apertures but the increased glass area enables tremendous flows of natural light to enter the house from your exterior which during the colder months will give you efficient use of solar gain to minimize heat prices. Doors are available in a choice of materials including aluminum, lumber, and PVC u collectively using a choice of finishes and colors that will enhance any house.