Since 1954, Rationel has been perfecting the art of manufacturing energy saving windows and doors of the highest quality, with a strong focus on both security and comfort. By constantly researching and developing their existing products, Rationel ensures that their offering always meets the statutory requirements, as well as excelling in the fields of design and functionality.
|Security||Meets ‘Secured By Design’ standards|
|Sustainability||Majority sourced from FSC-certified forests|
|U-Value||0.79 W/m2k (triple glazing)|
|Sound reduction||42 DB Rw (triple glazing)|
|Colours||Over 400 RAL colours available|
|Compliance||Meets Passivhaus standards|
Great South Street Farm, Main Road,