SYSTEM 4000 Double glazed Inward opening Tilt & Turn system. The main difference from other composite type windows the way that it is capped directly to the wooden frame, not through plastic holders. Frame connections are punched corner joints with mitred at 45 degrees aluminium profiles which gives product a quality finish. A variety of mullion and transom profiles for optimal profile joints as well as improved structural connection solutions perfect this product line. The cover design is neat and simple. All standard window designs and types of openings can be implemented in various styles and widths.Wood provides an outstanding insulation, and gives the house a pleasantly comfortable character.          


  • Laminated timber frame (Pine, Oak, Larch)
  • Fully factory finished ready to install
  • 78mm profile Triple glazed U-1.0 W/m2k,
  • 84mm profile Triple glazed U-0.9 W/m2k
  • 92mm profile Triple glazed U-0.9 W/m2k
  • Acoustic glazing available 42dB min to 51dB max
  • Door and screen systems available
  • Siegenia AUBI Ironmongery
  • Concealed hinge Ironmongery available
  • For higher security internally beaded sash
  • System complies with Secure By Design requirements
  • 10 year warranty
  • Lift and slide doors, French type and Single leaf doors, Sliding Bi-Fold doors, Tilt & Slide doors are available in this system.
  • Shaped windows available (Triangular, Round, Arched)

Cora Economicis designed as inward opening Tilt & Turn System.

Tilt & Turn position

Opening direction: inside.

Available security levels: WK1, WK2, WK3.

Micro ventilation function included.

Tilt only position

Opening direction: inside.

Available security levels: WK1, WK2, WK3

Turn only position

Opening direction: inside.

Available security levels: WK1, WK2, WK3

The window handle can optionally be in the top left and right sides of the window.

Endless Shape design available.

Endless Shape design available.

Rawington Ltd is proud to offer windows coated with paints and stains from leading Europe’s manufacturer TEKNOS.

Windows can be painted to any RAL Classic colour chart colours.

Dual colour available. (Windows, doors painted with different colours outside & inside).

Various stains available as standard. If there is a requirement to match interior or exterior stain colours to existing elements (Flooring, furniture etc ) Nonstandard stains available on request.

All windows are finished with Teknos Total Factory Applied Protection (TFAP) systems which allow joinery manufacturers to produce fully engineered exterior joinery, with almost unlimited colour choice, in a single integrated finishing process.

By combining topically applied preservation technology, novel end-grain and joint sealing with protective basecoats and a flexible microporous paint system, the Teknos system allows manufacturers to meet the latest European performance standards whilst reducing process times and working capital.

View or download the Total Factory Applied Protection brochure 

View or download Available Colours chart

View or download Available Stains chart

Aluminium Finishes

Swiss quality by

All our aluminium profiles are powder coated using leading IGP Pulvertechnik AG (Switzerland)

powders and coatings.  Marine powder coating available for better protection of windows on coastal locations.


Weather-resistant coating system for metal facades and structural components in exterior environments.


Outgassing-friendly, weather-resistant coating powder for application on exhalating substrates.


Highly weather-resistant coating powder with low curing temperatures.

Rawington Ltd is proud to offer glazing units from leading Europe’s manufacturer Press-Glas. Conformity with the ISO norms is a guarantee of high quality and reliability of offered products and services.

As a standard all our glazing units supplied with warm edge spacer bar.

Warm edge spacer can be different colours. more information

Cora Economic System can be supplied with:

  • Triple glazed Units (Argon Gas, LOW E, Warm Edge Spacer) more info
  • Solar control Units (optional) more info
  • Acoustic Units (optional) more info
  • Leaded Units (optional) more info
  • Bullet Proof Units (optional)
  • Obscure Units (optional) more info
  • Safety & Security Units (optional) more info
  • Fire resistant Units (optional) more info

Rawington Ltd is proud to offer windows & doors fitted with ironmongery from leading Europe’s manufacturer Siegenia AUBI(Germany). The SIEGENIA GROUP offers a wide range of products which add value to windows and doors. With its TITAN, ALU and PORTAL product groups, together with the AERO and DRIVE ones, the company is one of the world’s leading suppliers of hardware. In addition to that, KFV provides a complete range of modern locking systems for doors. Taken together, this results in a high-performance product portfolio for fabricators, designers and architects – from hardware technology for windows and French windows to building technology solutions for building automation and intruder protection to wall and window ventilation, multi-point locks, as well as emergency doors and automatic locks.Quality and innovative thinking underline everything what SIEGENIA-AUBI do. In line with company’s Quality Management ISO 9001 certification, the companies focus on quality is reflected in an expanding product range that meets – and often exceeds – the reputation of “Made in Germany” standard.

Available Handles as standard

All our windows can be supplied with Tricle vents if required:

Available colours: anodised (natural aluminium colour), brown and white.

Optional designer handles:

Lorem ipsum dolor sit amet, consectetur adipiscing elit. Quisque ut odio id mauris mollis ultrices at nec nisl. Praesent pretium purus eu odio molestie, at malesuada leo facilisis. Nullam ligula est, varius eu ligula non, pretium tempus tellus. Vestibulum in lacinia sapien, vel vestibulum est. Sed sagittis diam a metus facilisis, in venenatis felis facilisis. Vestibulum ac ipsum in metus aliquam ornare ac malesuada ligula. Donec porta arcu aliquam rutrum eleifend. Phasellus ac eros egestas, bibendum eros vel, interdum ipsum. Quisque nibh diam, semper eget bibendum quis, laoreet in purus. In hac habitasse platea dictumst. Ut eu accumsan est. Nam porta augue sit amet lacus volutpat, pharetra blandit orci convallis. Morbi id mauris in tortor mattis egestas a sit amet mauris.