Ali SLIDE Profile | Altegra

Ali SLIDE Profile

A stylish slimline, high-performance range of aluminium inline sliding doors with PAS 24 security. Designed to fit all budgets, Ali SLIDE Slimline doors have a 50mm interlock to give uninterrupted views and maximum daylight and are suitable for both domestic and commercial use.

Ali SLIDE is a slimline, high-performance range of inline aluminium sliding doors in accordance with PAS 24 security. This stylish, mid-range, sliding door has been designed to fit all budgets and is suitable for both domestic and commercial use.

Ali SLIDE is available as both a Standard version with a 79mm interlock and as a Slimline version with an interlock of just 50mm to give maximum daylight and uninterrupted views. Both versions use the same locking hardware.

Ali SLIDE doors have a polyamide thermal break to give impressive thermal efficiency with U values as low as 1.64 W/m2K and are fully weather tested.

Like our Ali VU windows and Ali FOLD doors, the most popular configurations of the Ali SLIDE door are available in pre-painted stock of 7016 Anthracite Grey and 9910 Hipca White.

Ali Fold Profile

Ali SLIDE Profile

  • Technical Specifications

  • Materials

  • Finishes

  • Construction

Average U values

CEN standard
2000 x 2180mm
Standard SlimLine
28mm DGU 1.64 W/m2K 1.64 W/m2K


Max Door Leaf Width 2000mm
Max Door Leaf Height 2616mm
Max Outerframe Width Project specific
Max Outerframe Height 2700mm
Max Weight Per Door Leaf (Inline Standard) 160Kg
Interlock (Standard Door) 79mm
Interlock (SlimLine Door) 50mm


28mm – 44mm

Weather Performance

Tested to BS6375-1, BS6375-2 and BS6375-3 Annex A


Security tested in accordance with PAS24: 2016, security hardware required. Q-Mark fully certified.

  • All aluminium sections are extruded using Aluminium Alloy 6060 or 6063 T6 to BS EN 755 part 9 2008 or BS EN 12020-2.
  • Polyamide thermal barriers are manufactured in accordance with PA66 GF25.
  • Gasket are manufactured in accordance with BS3734.

Ali SLIDE Profile inline door sections are typically available in two finishes...

  • Polyester Powder Coating to BS EN 12206-1: 2004 Part 1 - painted in-house. Surface finish at 40 microns standard, or enhanced to 60 microns for marine environments, in accordance with ISO 9001, ISO 14001 and ISO 18001.
  • Anodised finishes are to BS3897:1991 to a minimum of 25 microns (AA25), supplied in either satin or polished finish in a limited range of colours.

Ali SLIDE is constructed using mitred corners, joined with mechanical cleats; alignment chevrons assist in clean, accurate mitres.

A proprietary sealant is used on all metal joints in line with good practice.

Dual colour available

Our ALI products are available in a wide variety of standard or non-standard colours, including dual colour where you have a choice of the same colour inside and out. For commercial, choose from a full range of standard RAL colours and if you have a specific colour in mind, we can colour match for a bespoke solution.

Variety of glass types

Due to the design and nature of our ALI products, we are able to provide an extensive array of customisable glass options for you to choose for your aluminium system.

Made to measure

Every aluminium window system which we design is made to match our customers exact requirements. We have a dedicated in-house team to help with this.

Extensive product range

With our ALI product range, we are able to design standard and bespoke aluminium windows suitable for all types of customers.


Anodised and Anolok finishes are to BS3897:1991 to a minimum of 25 microns (AA25), supplied in either satin or polished finish in a limited range of colours.


Our Aluminium Systems can be coated with polyester powder paint to BS EN 12206-1 in a gloss, satin or matt finish.


Types of doors using Ali SLIDE

Standard Colour Range

White (9910)

Anthracite (7016)

Black (9005)

Dual Colour Range

White (9910) / Anthracite (7016)

White (9910) / Anthracite (7016)

Handle Options

Folding Sliding Handles
Intermediate Handle
Patio Handle

Stainless Steel



Satin Nickel

Explore how Altegra can maximise durability and product lifespan

Learn more about what Altegra Window & Door Systems have to offer by booking a meeting with one of our team members, or by enquiring via the contact form. Once you submit the enquiry form, it will be passed to a member from our team, then they will contact you promptly.


Enquire for your free no-obligation quotation

Contact Altegra Window & Door Systems today to set up a free trade account for all aluminium window and door systems.