Aluminium Sliding Doors & Patios


C125- Sliding

The Ultimate Slider


The C125 is a thermally insulated aluminium sliding and lift-sliding door system. With durability, stability this robust system solution is available in a 1, 2, and 3 rail version - making a 6-leaf configuration possible. 

Self-leveling stainless steel rollers ensure ease of use and an easy glide action, even with a maximum weight of 240kg. 

System features of the Confort 125 aluminium sliding door: 

  • A combination of strong profiles and stainless steel rollers with polyamide support allows Confort 125 to be used for glazed areas up to 2.5m high for the sliding version 
  • Self-levelling stainless steel rollers assures effortless vent gliding even at the maximum vent weight. Stainless steel wheels do not deform and therefore guarantee a long-life performance
  • Lift-slide hardware allows vents up to 300kg with a glazed area up to 2.8m high
  • Vent profiles with a building depth of 50mm can accomodate glazing from 4mm to 35.5mm 
  • Confort 125 sliding doors are compatible with other Sapa Building System products

Design Features of the Confort 125 aluminium sliding door:

  • Gutter Section Frame allows internal floor finishes to be flush with the inner frame to avoid thresholds
  • Complementary range of supplementary profiles allow the fenestration to be perfectly integrated within the building
  • Design glazing beads add extra finish
  • Specially designed end peices make the Confort 125 sliding door complete in all respects

Safety Features of the Confort 125 aluminium sliding door:

  • Multipoint locks can be applied
  • Lock of the vent has an anti-lift device. Additionally a central security piece on top of the vent also prevents lifting
  • Internal tubular glazing beads prevent unclipping from the outside
  • The lock of the Confort 125 sliding door can include a right vent position to assure healthy ventilation of the building

Our brochure is available to download on the documentation tab above.

Book on our Product Introduction Training online.

C125 Brochure (pdf)

Product benefits


  • Accommodates glazing up to 35.5mm
  • Weight up to 240kg


  • PAS 24 and Secured by Design Certification
  • Confort 125 - 1-rail, sliding vent & fixed screen
  • Confort 125 - 2 rail, 1,2,3 or 4 vents with fixed and sliding vents having the same sightline
  • Confort 125 - 3 rail, combination of a max 6 vents


  • Gutter section frame allows floor finishes to be flush and avoids thresholds
  • Multipoint locks can be applied
  • Can include a night vent position, assuring healthy building ventilation


  • Air Tightness - 600Pa
  • Water Tightness - 300Pa
  • Wind Resistance - 1600Pa
  • Burglary Resistance - PAS 24
  • Impact Test - Class 5

More information

Technical manual

If you would like a Technical Manual for this product, please contact your account manager. 

Projects using aluminium sliding doors & patios CONFORT

Pavilion Point, Brighton

United Kingdom
  • Architect: Corstorphine & Wright
  • Client: Fresh

More information about this project



Carbis Bay Hotel, Cornwall

United Kingdom
  • Architect: The Bazeley Partnership
  • Fabricator: Harmony Architectural Aluminium


More about this project

New Garden Quarter, Stratford

United Kingdom

Green Hollow, Cheshire

United Kingdom
It’s rare to see so many different architectural aluminium window, door and curtain walling product applications on one house. Yet at this impressive home in Cheshire, fully compatible curtain walling, window and a variety of door systems from TECHNAL have been installed to create a seamless appearance, satisfying both client and architect requirements completely.

Milliners Wharf, Manchester

United Kingdom

Two apartment blocks in Manchester's Milliners Wharf development achieved Secured by Design certification in recognition of the safet standards met. 

'Hat Box' is a part of the regeneration of New Islington, and is a high-end residential development completed in 2017. 

To ensure residents feel safe in their home, the architects Carey Jones Chapman Tolcher (CJCT) specified products with high security features to be used. As such, our PY door, which incorporates an invisible door closer as well as concealed locking groover for a tight and secure mechanism, was specified for the ground floor apartments and top floor duplex apartments. These features, along with the single leaf open-in and open-out hinged doors that meet PAS 24 for burglar resistance, resulted in the Secured by Design certification.

Alongside the PY Door system, Confort 125 Sliding Door was used for the balconies and was specified for its durability, and the SOLEAL FY65 window was also specified. This further assisted in achieving Secured by Design certification, and the FY window is also tested and certified to PAS 24 for burglar resistance. 

There are several optional additions to the FY window system to provide the ability for customisation for each project. In this case, the Hat Box development benefits from tilt before turn windows made possible by the systems durability and strength. The hinge mechanism can support glazing up to 130kg.

As well as a safety element, it was important to ensure the building's occupants would be living in a healthy environment. In buildings where there is a difference of U value between the walls, windows and doors, there is a risk of high humidity which could potentially cause issued with condensation and mould. 

This issue was overcome at the development through the thermal efficiency offered by GEODE MX Curtain Walling. Less energy is lost via the difference between the inside and outside of the curtain walling. This consistancy in temperature and improvement of the air quality around the room ensures that the room needs less energy to heat and cool it. 

The Forge, Upton Park

United Kingdom
Built on the site of the former East London Bus Garage, The Forge creates 192 residential apartments clustered around communal courtyards, accessed off a new public street.