Low u-value kit (ZTB) | Zureli
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Low u-value kit (ZTB)

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Low u-value kit (ZTB)

VELUX A/S has developed a kit that lowers the u-value in a standard sun tunnel installation. We see a trend on the markets where low u value is of great importance and in some instances a legal requirement. Therefore, we have insulated the trim ring and added an extra two layer pane.

Lowers the u-value from 2.9 W/m2K to 1.8 W/m2K

Discrete design

Easy mounted on already installed sun tunnels.

  • Region: Europe
  • Country: United Kingdom
Sun tunnel installation
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