Grey Aluminium Bi-Folding Doors & Windows


Aluminium is the perfect choice of material when you want to modernise your home and bring it into the 21st Century.

There’s something incredibly fashionable about aluminium, so it’s no surprise that it is a commonly used material for the development of home improvement products. The flexibility of aluminium means it can shaped in various ways which is perfect if you want a window or bi-folding door that holds a wealth of glass and has minimum framing. Just look at the slenderness of the frames and how the glass far outweighs the level of framework included in the multiple windows and doors fitted at this futuristic household.

Grey Aluminium Bi-Fold Doors

In this demanding project, a grey finish was applied to the new additions to the house, and the most noticeable addition is the bi-folding doors. When the bi-folding doors are glided open they completely open out the kitchen area and extend it onto the decking so that any food prepared indoors can be taken outdoors for some al fresco eating.

Grey Aluminium Bi-Fold Doors

You can just imagine how cool the atmosphere will be within that space when the doors are operated in conjunction with the bottom opening windows. As an accompaniment to the bi-folding doors is a set of patio doors which give fantastic access to the first floor glass balcony. All that aluminium has massively enriched the property’s styling.

Grey Aluminium Patio Doors


Every promise we make, we keep. Every time. Our promises are bold and are there to assure you that we’re completely confident in our products and our service.

Free Annual Maintenance Checks

A little wear and tear is part of everyday life so, every 12 months, for the first two years, we’ll keep a comforting eye on you and your Pennine product.

24 Hour Emergency Lockout Service

If the locks on your Pennine door ever fail, just give us a call. We’ll come and let you in anytime, day or night, and fix the fault.

Price Promise

Giving our customers complete confidence in the price that they pay is very important to us. So, if you, or any customer, can find the same product specification and service commitment cheaper elsewhere, within 14 days, we’ll refund DOUBLE the difference.

20 Year Guarantee

Pennine is proud to be the North East’s very first to offer a 20 Year Guarantee. Not only that, you will also be covered for both moving and non-moving parts. Our confidence in our products and dedication to our customers means we’ll be there for you well into the future.


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Our friendly team will be pleased to help with any questions you may have.