Cortizo Casement
Thermally Efficient
One of the lowest u-value on the market. Slim desing and incrarible thermal performance makes Cortizo casement windows perfect for your project
Ten Year Guarantee
Aluminium casement windows provided by ThermEco come with our ten-year guarantee.
Noise reduction
With acoustic insulation as high as 46 dB, our aluminium casement windows help to keep peace and quiet.
Made to measure
All casement windows are made to measure to fit perfectly to any house or commercial design
Maintenance Free
Thanks to their aluminium framework, our casement windows won’t require homeowners to spend hours on upkeep. Just a simple wipe of a cloth
Weather seal
Our aluminium casement windows are fully tested for weather resistance to ensure the elements are kept out whatever the weather.
Technical information
Thermally broken window that allows for both side hung and top hung outward openings. This solution, with a thermal break zone of 32 mm and a transmittance Uw from 1.0 W/ m²K, has the British security certification PAS 24, being especially suitable for this market.