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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.

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.

ThermEco Fenestration UK Limited

Unit 17, Station Road

Pulham Market

Diss

IP21 4XF

Opening Hours:
Mon - Fri    9 - 17
Sat - By appointment
Sun - Closed

01379 676 106

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