Project Description

Rooflines Bi-Fold Doors

Robust, Warm, Double Glazed Bi-Fold Doors – Our Standard Series

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.

Would love bi-fold doors, but have found them too expensive? Rooflines Bi-Fold doors are the solution.

Includes a 10-year warranty.

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Rooflines Sunrooms

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Rooflines Bi-Fold Doors Closed

How are our Bi-Fold Doors fitted?

You can order our doors for quick delivery as part of any project (DIY or builder) and with seven size options that cover most build specifications. This makes life much easier and ensures your doors are fitted and enjoyed as soon as you need them. Alternatively, you can contact us for an installation quote.

Door security

Rooflines Bi-Fold doors come with multi-point locking and anti-bump locks as standard.  This makes our doors suitable for both residential and commercial installations, or even for a garden office, small building conversions, and sunrooms. Our doors are a versatile, attractive, and durable product.

We can also make bespoke sizes to order.  Please contact us for a quote.

Please note that the prices on this page include VAT and delivery, but do not include installation, or onsight adjustments, e.g. brickwork, cills of flashing.

Book a FREE no-obligation quote from Rooflines.

Enquire About Rooflines Bi-Fold Doors

Not keen on Anthracite? We have a choice of colours to order – Get in touch


Rooflines Bi-Fold Doors come in a variety of standard sizes that fit most buildings:

1600mm 2100mm £1,895 3 doors 1 + 2 Anthracite
2400mm 2100mm £2,250 4 doors 1 + 3 Anthracite
3000mm 2100mm £2,495 4 doors 1 + 3 Anthracite
4000mm 2100mm £3,495 6 doors 1 + 5 Anthracite
5000mm 2100mm £3,995 8 doors 1 + 7 Anthracite
6000mm 2100mm £4,750 8 doors 1 + 7 Anthracite
7000mm 2100mm £5,649 10 doors 1 + 9 Anthracite
8000mm 2100mm £6,495 12 doors 1 + 11 Anthracite
9000mm 2100mm £6,995 12 doors 1 + 11 Anthracite
9000mm 2400mm £9,990 12 doors 1 + 11 Anthracite
  • High-quality durable Aluminium Powder Coated Anthracite Frames
  • Sealed double glazed units for warmth
  • Easy slide Bi-Fold Doors with lots of door position options
  • A variety of standard sizes or made to order for your property
  • Beautiful Bi-Fold Doors and an economical solution

Our Standard Range – Cover Most Common Sizes – DELIVERY 3 to 4 WEEKS

Enquire About Rooflines Bi-Fold Doors