| The “Aru 78 MODERN EX” outward opening window with an angular profile is suitable for a modern energy saving building the larger frame is designed to accommodate triple glazing. This increases insulation values enough for use in a so-called passive house.
The bottom sash of the multi-layered deep-impregnated timber window is protected with an aluminium drip slat. To reduce heat loss at the edge of the glass, we recommend using an insulated glazed unit that has SWS (plastic) spacers rather than the traditional metal.
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