Newly certified Manufacturers Certification criteria

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Nauheimer Dunkelklappe

Nauheimer Dunkelklappe

Certified since May 10, 2017
Climate zone Cold
Type Skylight
Sub type Roof hatch
Efficiency class phA+
Material GFRP
UW 0.25 W/(m2K)
Open type

Description

Glassfibre reinforced plastic frame, insulated by 150 mm Polyurethanfoam (0,028 W/(mK)). Note: The thermal quality of the system depends significantly on the installation situation. Therefor, the bottom-element should be covered with insulation as good as possible.

Name Frame width U-value Ψ-value Frsi-value
Bottom 127 mm 0.37 W/(m²K) 0.000 W/(mK) 0.760
Top 127 mm 0.37 W/(m²K) 0.000 W/(mK) 0.760
Lateral 127 mm 0.37 W/(m²K) 0.000 W/(mK) 0.760
Marker
Hans Börner GmbH & Co. KG
Rudolf -Diesel Strasse 8, 64569, Nauheim, Germany
Legend
Manufacturer
Leaflet © OpenStreetMap contributors
1072sk02
English
Deutsch
Rudolf -Diesel Strasse 8
64569 Nauheim
Germany

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