
Accordion system «The Vikonda Thermo»
- Frame mounting depth
- 70 mm
- Multilayered glass pane width
- 40 mm
- Leaf weight
- up to 80 kg
- Maximum leaf size
- 900x2360 mm
Smooth, elegant sliding windows that save space and fill your home with light.










Support & Guidance
Find clear answers to common questions about our premium windows, shutters, and professional installation.
We offer a comprehensive range including PVC windows, aluminum windows, sliding windows each engineered for maximum energy efficiency and durability.
Most homes are completed in one to three days once the units have been manufactured. We confirm the exact schedule after the on-site survey.
Yes. Profiles, glazing and hardware are covered by a full manufacturer warranty, and our own installation work is guaranteed as well.
More than forty lamination finishes are available, from plain colours to Woodec wood-effect surfaces, together with a full range of handle finishes.
We do. The initial survey, measurement and quotation are free of charge across Barcelona, Cerdanyola, Ripollet and Sant Cugat.
Our 76 mm systems with triple glazing reach U-values from 0.8 W/m²K, comfortably exceeding current Spanish building regulations.
Need advice? We're here to help.
At ECOVEN, our expert team guides you through every step of your aluminum and PVC carpentry project, from the initial concept to final installation.
We offer our services in Barcelona, Cerdanyola, Ripollet, and Sant Cugat, always prioritizing exceptional customer service.
Do you have questions or need a customized quote? Fill out our contact form, and one of our specialists will get back to you as soon as possible.
ECOVEN PREMIUM