white liniar French Door open liniar white french doors
Liniar logo

Liniar French doors

Liniar French doors perfectly combine modern levels of performance with traditional aesthetics. They feature super slim sightlines to optimise natural light intake and can be designed to open either inwards or outwards depending on your project specifications.

  • A+ energy efficiency rating
  • 100% lead free uPVC
  • Outstanding weather performance
  • Low maintenance finish
  • Sculptured or chamfered profiles
Get a Trade Quote

Product features

Design features

Liniar French doors incorporate a wide range of features into their design. They have a co-extruded patented bubble gasket to create a continuous seal all round the door and protect against water penetration. They can be selected with an ultra-low 15mm threshold for easy access or a ramp compatible 24mm threshold that is part M compliant. You can also choose an optional mid-rail and a selection of attractive colours and hardware options.

Product options

  • U-values as low as 1.3 W/m²K (double glazing)
  • U-values as low as 1.0 W/m²K (triple glazing)
  • Open in or open out functionality
  • A + energy efficiency rating
  • Wide range of colour choices
  • Sculptured or chamfered design
  • High performance uPVC profile
  • Bespoke glazing platform
  • 100% lead-free uPVC




French Door





Double French patio doors from Liniar

Liniar uPVC French patio doors are a stylish and high performing entrance door option. Featuring the classic double door opening design, the doors can also be used separately with one fixed in place for easy day-to-day access. Liniar French doors are a popular choice with glazing installers across the UK. They are a high-end yet cost-effective patio door choice with a wide variety of customisation options and high levels of performance. When you want to offer your customers a French door with outstanding thermal performance and security standards, Liniar French doors are the perfect choice.

red brick house with liniar french doors

Frequently Asked Questions

Can’t see the answer you’re looking for? View more answers here.

Contact Us

What are your lead times?

Lead times can vary per product. For stock PVCu colours we work to a 10-15 working day schedule. For more up to date lead times on any specific product e-mail us at sales@quantumwindows.co.uk where we will be happy to help.

Are your products compliant with new building regulations?

Our Eurocell PVCu range of products are fully compatible with all new build regulations. Quantum Windows has a number of secured by design certifications to provide you with peace of mind and our quality systems in place are all aimed at producing a quality product first time, every time.

Currently, our range of Aluminium double glazed Aluk 58BW HI Windows, Aluk 58BD HI Residential doors, EdgeGLIDE+ Sliding door and Unifold HI all have a U-value of 1.4 or below and are compliant with new building regulations. Our range of compliant products is always growing, so please give us a call for the most up to date information.

Please note that you will need to specify on your enquiry if you need your product to meet the new building regulations.

Where do you deliver to?

We deliver weekly to the West Midlands, Derbyshire, Leicestershire, Warwickshire, Oxfordshire, Berkshire, Surrey, West Sussex, East Sussex, Kent, Greater London, Hertfordshire, Essex, Suffolk, Cambridgeshire, Bedfordshire, Buckinghamshire. Norfolk and of course Northamptonshire.

aspects white open bi fold doors

I have been buying windows and doors from Quantum Windows for over 25 years. I have always found the pricing very competitive and the quality has been very high. On the rare occasion a problem has arisen it has been dealt with swiftly and efficiently. The office staff are always polite, friendly and professional and we have built a strong relationship over the last 25 years. The drivers are excellent. I know them very well and they have adapted to my ways of working and are always willing to help and accommodated me.

Craig Gutteridge

“We have dealt with Quantum Windows for 13 plus years, we find the staff to be courteous and polite and any queries we may have are dealt with promptly and efficiently, nothing is too much trouble”

Jackie - Accounts Dept

W R Enterprise Glass & Glazing Ltd.

We have been buying from Quantum Windows for almost 30 years now, they offer a wide product range and the Team have excellent product knowledge which is invaluable in an ever-changing market.

All team members are friendly, helpful and efficient, orders are processed with care and quotations provided promptly. I would have no hesitation in recommending Quantum Windows.

Vicki Webb

Clearview 2000 LTD

‘We have used Quantum Windows for many years now, we have always found them to be very easy to work with, the staff are all very helpful and friendly, they are always available to offer any help should we need it, excellent product!’


Chapel Windows

Glevum and Quantum have enjoyed an excellent working relationship for a number of years, working together to provide a high quality, value for money product offering and service for the end user.

As well as delivering a high quality product, the knowledge and experience of the staff at Quantum is invaluable to a customer in a market where Building Regulations are constantly changing.

Mike Donaldson

Glevum Design & Build

As installers of both PVCu and Aluminium to the New Build market, the importance of on time delivery is totally time critical.
Over the last 20 years Quantum windows have worked closely with PGB to partner with us and deliver our offer to site.
Highly professional, and a pleasure to have worked with them so closely over the years.

Phil Martin CEO

Portico CB Ltd

Click here for a trade quote