Aldus

The Aldus range of aluminium clad timber composite windows and doors from Rationel, are both elegant and sleek, with an eye catching modern edge.  Benefitting from a solid timber internal finish and an aluminium clad hard wearing and low maintenance finish, Aldus offers an exceptional level of durability against the weather along with the benefit of modern glazing technology.  Offered with the choice of fully customisable internal and external finishes, you can be sure that Aldus will compliment your property both internally and externally regardless of its architectural style.

Aldus benefits from a fantastic technical specification including; 32mm double glazing featuring low energy glass, reducing the cost of winter heating bills, an energy efficiency rating of band A (WER) which exceeds current building regulations, argon filled glazing cavities between panes for outstanding thermal performance, a ‘thermal break’ warm edge spacer to reduce heat loss from the perimeter of the window, and an invisible metal coating on the inner pane, allowing free heat to enter through the glass from the sun’s rays, allowing your space to benefit from free ‘solar gain’.  

Domus

The Domus range from Rationel embodies the timeless appeal of natural wood, while offering exception levels of modern technology.  With its solid timber construction, Domus effortlessly blends with traditional refurbishments, while offering contemporary new build homes a feeling of quality and homeliness that timber is best known for.

Domus is supplied with an impressive array of features including; 26mm double glazing with low energy glass, ideal for reducing the cost of heating your home, an energy efficiency rating of band A (WER) exceeding current building regulations, argon filled glazing cavities between panes further enhancing thermal performance, a ‘thermal break’ warm edge spacer which reduces heat loss from the perimeter of the window, as well as an invisible metal coating on the inner pane, allowing heat to enter from the sun’s rays, an excellent source of free ‘solar gain’. 

Aldus Slimline

Based on the successful Aldus range, Rationel have introduced a new slim line energy efficient composite window collection, Aldus Slimline, specifically intended for refurbishments and replacements.  Eliminating the need to cut back plasterwork, Aldus Slimline's thinner profile means replacing old PVCU windows is far quicker and simpler to retrofit.

With the modern and elegant lines synonymous with Scandinavian design, the Aldus Slimline adds a stylish touch to the overall architectural appearance.  With many impressive features, the Aldus Slimline offers lower U-values than many competitors, longer life expectancy and contributes energy by letting sunlight in and not out (up to 24kWh/m2 per year) offering significantly reduced heating costs during the expensive winter season.

The range is available in a wide selection of designs and functions, such as; top guided, side hung, side guided, top swing, as well as a great selection of different RAL colours to suit your architectural style.

With security and safety a paramount factor, Rationel windows and doors have been tested and marked in accordance with several national and European standards, which includes ‘secured by Design' so that you can feel assured in your home.