Robust, Warm, Double Glazed Bi-Fold Doors – Our Standard Series
Would love bi-fold doors, but have found them too expensive? Rooflines Bi-Fold doors are the solution.
Robust High Quality external bi-folding doors made with anthracite powder-coated on extruded aluminium designed to take the weight of double glazed panes to keep your home warm.
Rooflines offer seven building standard size choices. Our Bi-Fold doors include very hard-wearing hinges and quad rollers made using precision engineering to give high-performance movement and glide. All the fixings are stainless steel which are resistant to corrosion. The thermal rating on our sealed double glazed units is excellent as they are constructed with 5mm toughened glass with a 12mmm gap.
Please see other standard sizes available. If these do not meet your requirements, then please contact us for a quote.
