Internorm KF 520 uPVC-Aluminium Triple Glazed Window
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The new generation of KF520 windows from Internorm is a perfect combination of innovative design and technical know- how. With a glass sash and a slimline frame, the design evokes the look of fixed windows, and they can let more natural light into your home. Also, your new window will feature the revolutionary I-tec secure locking mechanism. Hidden in the window sash, this locking system makes levering the window almost impossible.
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- Thermal insulation Uw as low as 0.63 W/(m2K)
- Sound reduction up to 46 dB
- Security RC3, RC2, RC2N
- Locking fully integrated
- Construction depth 90/93 mm
To learn more about how Quiet Mark certifies products and why we don't publish decibel levels, click here.
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Sound Made Simple
Acoustics Academy’s Sound Made Simple guide clarifies complex acoustic terminology with insights to design with sound.
