Composite Window Design Options

Ideas and imagination are highly appreciated at Rationel. Whether the creative ideas come from you, the architect or the carpenter, they should not be stopped by standard solutions. We produce special units for both refurbishment and new build projects. Here you can see a few examples of customised solutions. Look at the content across our website www.ecotecwindows.com and be inspired.

Frame Options

Frame Options

Ideas and imagination are highly appreciated at Rationel. Whether the creative ideas come from you, the architect or the carpenter, they should not be stopped by standard solutions. We produce special units for both refurbishment and new build projects...

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Grey Windows

Grey Windows

Several aspects have to be considered before you choose a colour for your windows. Are the windows to be bright or dark? Are the windows to be made of wood or provided with aluminium surfaces and what are the windows to match?...

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Coloured Windows

Coloured Windows

Colour is one of the easiest and most effective ways to make a building unique and give it the character required to attract buyers or tenants. Virtually any colour you specify, Rationel can deliver – for timber or aluminium. We offer a wide range...

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Glazing Options

Glazing Options

Rationel’s windows are provided with argon filled double-glazed or triple-glazed energy-efficient glazing with a warm-edge spacer as standard. Our range includes several options to enable you to improve your energy rating.

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Window Opening Types