Features:

Uw of 0.80 W/m²K when fitted with EHV-AT THERMO flashing kit.

• Double coated wood with ecological acrylic lacquer in natural colour.
• Increased resistance to burglary - topSafe system.
• A wide range of accessories.
• Suitable for roof pitches 15 to 70 degrees.

"Obtaining rooflights that meet the requirements of Passivhaus design has until recently been near impossible. Whilst invaluable in designing in additional light to a building the dangers of over-heating can not be overlooked . On south faces particularly provision must be made in the form of blinds to prevent this happening. "
 

We would recommend that for new build Passivhaus the more cost-effective, FTT U6 would be adequate to meet the standard and would avoid using a window containing krypton. The FTT U8 would however be of use where design constraints are already pushing the annual heat demand close to15kWh/m².a and where there is no other cost-effective design solution.

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