Timber Casement Windows

Good, solid, quality workmanship has characterised Rationel’s windows and doors since the first products were shipped from our factory in Sdr. Felding in 1954. Based on this sound foundation, Rationel is today an international company with sales offices in Great Britain, Ireland and Denmark.

Rationel manufactures energy saving windows and doors of premium quality in terms of both comfort and security. Our continuous programme of research and development ensures that the company always meets current statutory requirements as well as market requirements for design and functionality.

Rationel enhanced windows and doors have been tested and marked according to several national and European standards, including ’Secured by Design’. To be certified under this initiative, the window frame or door frame and corresponding lock and hardware set has to be able to withstand a series of physical tests based on common burglary methods. Rationel has a wide range of products which meet ’Secured by Design’ specifications.

 

 

 


Rationel AURA®

Our ‘energy-contributing’ Rationel AURA windows offer the same excellent properties
as Rationel AURAPLUS, but these windows are made entirely from timber. You can therefore combine a beautiful natural look with a clean contemporary design for modern buildings and Passiv Haus. Rationel AURA ensures that high levels of daylight and solar heat gain are achieved. This free heat is the best energy source available and also provides a healthy and comfortable indoor climate. These windows come with security ironmongery as standard, and are suitable for Passiv Haus buildings.

Rationel AURAPLUS

The design of AURAPLUS is slim and elegant, creating a stylish overall architectural appearance, whether you are building a new house or refurbishing an existing one. The slim design
also allows maximum natural light into the home. Made from timber, with external aluminium cladding, Rationel AURAPLUS offers all the benefits of natural wood on the inside and easy maintenance on the outside. The range is available with security ironmongery as standard, and are suitable for Passiv Haus buildings.

Rationel FORMA®

Our ‘energy-contributing’ Rationel FORMA windows offer the same excellent properties

as Rationel FORMAPLUS, but these windows are made entirely from timber. The angled glazing bead and ovolo moulded profile make it an ideal choice for country-style and traditional designs. Rationel FORMA ensures that high levels of daylight and solar heat gain are achieved. This free heat is the best energy source available and also provides a healthy and comfortable indoor climate. These windows come with security ironmongery as standard, and are suitable for Passiv Haus buildings.

Rationel FORMAPLUS

The design of FORMAPLUS is slim and traditional, available in a range of country-style designs with various configurations of glazing bars. The slim design also allows maximum natural light into the home.

Made from timber, with external aluminium cladding, Rationel FORMAPLUS offers all the benefits of natural wood on the inside and easy maintenance on the outside. The range is available with security ironmongery as standard, and are suitable for Passiv Haus buildings.

Timber Casement Windows

AURA® Triple Glazed
AURA® Double Glazed
FORMA® Triple Glazed
FORMA® Double Glazed

Timber/Aluminium Casement Windows

AURAPLUS Triple Glazed
AURAPLUS Double Glazed
AURAPLUS Triple Glazed
FORMAPLUS Double Glazed

Opening Types

TOP GUIDED Top Guided windows are a simple, elegant and user-friendly design. Opening is controlled by tracks and slides. When opening the window the top of the sash slides downwards as the bottom of the sash opens outwards. Adjustable friction iron- mongery allows an almost infinite choice of open positions.
TOP SWING In everyday operation the fully reversible window functions as a Top Guided window. However it is possible to turn the sash through 170 degrees to clean the glass from the inside.
FIXED LIGHT Fixed Light windows are ideal wherever maximum internal light and solar heat gain is required. Fixed Lights can be fitted with trickle vents for ventilation.
SIDE GUIDED Side Guided windows are controlled by tracks and slides that allow the window to be fixed in any open position. However, when opened, the hinge side of the sash moves toward the middle to create an opening that allows the glass to be cleaned from the inside.
SIDE HUNG Side Hung windows are controlled with tracks and slides. On windows over 424 mm wide and 530mm high, the handle controlled friction brake allows the window to be fixed in any open position.
TILT & TURN Tilt and Turn windows function in two ways. The tilt function opens the top of the sash inwards for ventila- tion, whilst the turn function creates an inward opening side hung operation. Tilt & turn windows can be cleaned from the inside and can also be used as emer- gency exits. This opening style is also available solely as a bottom hung window (with handle at the top of the sash) or as an inward opening side hung window. Available in Auraplus only.