• Cortizo 4700 Slimline Aluminium Sliding Doors External Doors Online
  • Smarts Visoglide Aluminium Slding Doors External Doors Online
  • PVC Sliding Door External Doors online

Sliding Patio Doors Doors


Sliding patio doors are the perfect choice where space is a limitation. Rather than swinging open on a hinge like traditional French doors or Bifold Doors, sliding doors operate sideways without encroaching on the room. Sliding patio doors also offer unrivalled aesthetics with minimal sightlines due to having fewer visible frame sections. With advanced security and thermal performance built-in as standard, choose a sliding door for your project today.

PVC Sliding Doors

uPVC Duraflex Sliding Doors External Doors online

Key Features

Glass â–· Toughened (standard)

Sightline â–· 95mm Mullion

U-Value â–· 1.4 (standard)

Energy Rating â–· B Rated (standard)

U-Value (triple glazed) â–· 1.0

Security â–· High Security Standard (PAS24 available)

Warranty â–· 10 Years

From £695 inc VAT - free delivery

Smarts Visoglide Sliding Door

Key Features

Glass â–· Toughened (standard)

Sightline â–· 84mm Mullion

U-Value â–· 1.7 (standard)

Energy Rating â–· B Rated (standard)

U-Value (triple glazed) â–· 1.3

Security â–· High Security Standard (PAS24 available)

Warranty â–· 10 Years

From £1895 inc VAT - free delivery

Cortizo 4700 Sliding Door

Key Features

Glass â–· Toughened (standard)

Sightline â–· 47mm Mullion

U-Value â–· 1.8 (standard)

Energy Rating â–· C Rated (standard)

U-Value (triple glazed) â–· 1.4

Security â–· High Security Standard (PAS24 available)

Warranty â–· 10 Years

From £1695 inc VAT - free delivery

Sliding Patio Doors Explained

From parts, options and components, to measuring and installation guides, click through the tabs below to learn everything you need to know about PVC & Aluminium Sliding Patio Doors before placing your order.

High Security as Standard

At External Doors Online, we understand the importance of keeping your home safe and secure. Our range of PVC & Aluminium Sliding Patio Doors are high security as standard, fully fitted with insurance approved multi-point locking mechanisms and locking keeps. With the option to upgrade any of our sliding doors to PAS24, you can rest easy knowing that your home is safe and secure for years to come.

Cortizo 4700 Aluminium Sliding Door External Doors online
Sliding Doors PAS24 Security

Exceptional Thermal Performance

With ever soaring energy costs, it’s important to choose the right sliding doors for your home. Our extensive range of PVC & Aluminium Sliding Patio Doors are manufactured using state-of-the-art machinery and the highest quality materials, to ensure that they offer they help to insulate your home and reduce energy costs. As standard, all of our Sliding Patio doors are supplied with toughened double-glazed argon filled units, and you have the option to upgrade these to triple glazed argon filled units, for even greater thermal performance.

Sliding Door Energy Ratings

Measuring Your Sliding Doors

WIDTH

Measure 3 width positions. Top, middle and bottom marked as A, B and C from brick to brick.
Take the smallest of these 3 measurements and deduct 10mm for fitting and sealant tolerances

HEIGHT

Measure 3 height positions. Top, middle and bottom marked as A, B and C from brick to brick.
Take the smallest of these 3 measurements and deduct 10mm for fitting and sealant tolerances

Please remember:

  • Measure in at least three different places and deduct 10mm from both the final height and width measurements - we do not make any fitting allowances on the sizes provided.

  • Measurements will need to include the frame, cill and any frame extensions required.

  • All dimensions to be supplied in Metric (mm) and all designs are to be viewed from the outside.

  • Always check your measurements at least twice to ensure you have the correct size.

  • Ensure the frame size is smaller than the brickwork opening.

  • Do not measure your existing door or frame but measure the brick opening.

How to measure a sliding door width external doors online
How to measure a sliding door height external doors online

uPVC Sliding Doors

With any of our PVCu Sliding Patio Doors, you can choose a colour that suits your property perfectly and that gives it that first impression you’ve always dreamt of. As standard, all of our windows and doors come in a smooth white finish, although because every home is different, we offer a large range of different colours in both a smooth and woodgrain finish.


Our PVCu windows and doors are available in 26 colours from stock. By choosing a woodgrain foiled finish you are able to bring your windows to life with a glossy, freshly painted, realistic timber effect.

PVC Sliding Patio Doors Colours External Doors online

Aluminium Sliding Doors

At External Doors Online, our Cortizo 4700 & Smarts Visoglide Aluminium Sliding Patio Doors are available in three standard powder coated colours, with the option of choosing a different colour for the interior to help you create the look that is perfect for your property.

The standard colour combinations are as follows; grey out / grey in, white out / white in, black out / black in, grey out / white in & black out / white in.

If one of the standard powder coated colour choices doesn’t suit your application, why not choose a bespoke RAL colour. Working in partnership with top spraying facilities around the country, we are able to offer our Aluminium sliding doors in any chosen RAL colour, allowing you to achieve the perfect finish to your project.

Aluminium Sliding Doors Colour Options External Doors Online

PVC Sliding Doors

Cortizo 4700 Sliding Door

Smarts Sliding Doors

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