As with our standard Ultima Energy range, these roof windows provide fantastic sound and heat insulation. They have the added benefit of a PVC frame which tackles issues associated with humidity, moisture and dirt. They’re ideal for bathrooms and kitchens.
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|Triple glazing 35 mm||
|Ug (W/m2 K)||0.5|
|Total solar energy transmittance||0.27|
|Uw (W/m2 K)||1.0|
|Air permeability||Class 4**|
|Resistance to wind load||Class C3***|
|Sound reduction (dB)||38 (-1,-3)|
* size M10A: E1350 ** size M10A: Class 3 *** sizes M8A, M10A: npd
Not sure whether you need a flat or pitched roof window? Can't decide between openable or fixed? Use our configurator tool.WINDOW CONFIGURATOR