iWindow - Flat roof window 90x210 cm

The iWindow - Flat roof window 90x210 cm by Skylux is a fixed flat roof window that combines modern design with outstanding insulation. Its slim insulated aluminium frame with PVC interior finish and high-performance glazing deliver both style and comfort, flooding your home with natural daylight while helping to reduce energy costs.

Why choose this iWindow?

• Glazing options: iWindow2 with HR++ double glazing (Ug 1.0 W/m²K) or iWindow3 with HR+++ triple glazing (Ug 0.5 W/m²K), depending on size.
• Energy efficient: Save up to 63% (iWindow2) or 81% (iWindow3) energy compared to traditional double-walled skylights.
• Glass finishes: clear for maximum brightness, opal (opaque) for softly diffused daylight, or heat-resistant anti-solar glass to reduce solar heat gain.
• Maximum daylight: the roof opening equals the daylight size, giving you up to 40% more light than other brands.
• Excellent sound insulation: 39 dB (iWindow2) and 41 dB (iWindow3).
• Installation pitch: requires a minimum slope of 5° and is suitable up to 25°.

Installation flexibility

• For new buildings or complete renovations: order with a Skylux curb for a perfect fit.
• For renovations on existing curbs: use the Skylux adapter frame to install without replacing the curb.

With iWindow - Flat roof window 90x210 cm, you add more than daylight — you choose comfort, energy efficiency, and timeless design. Built to last, it is CE-certified and backed by a 10-year guarantee, making it a reliable Skylux daylight solution for any project.