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    Minimising air leaks in buildings with Safetyline Jalousie louvre windows

    Safetyline Jalousie

    The rising energy prices in Australia are encouraging both business owners and homeowners to look for creative solutions to improve the energy efficiency of their buildings. Air leaks in buildings have been identified as one of the main causes of reduced efficiency in heating and cooling systems.

    Air leakage primarily occurs through windows and doors in a building. For instance, when windows are not installed correctly, or the openings do not seal properly when closed, air leakage happens, impacting the thermal efficiency of the building.

    Louvre windows are typically installed in buildings to encourage natural cross flow ventilation. When fully open, louvres allow twice as much air to circulate compared to traditional window designs, maximising cool breezes and reducing the need for air conditioning in summer.

    However, during winter when the louvres are closed, the inability of the glass blades to seal completely can lead to leakage of air, increasing the load on the heating system. Traditional louvre designs do not have weather stripping or the barriers necessary to keep air from forcing its way in (or out).

    Safetyline Jalousie louvre windows have been designed to address this very problem. Each louvre blade is framed on three sides; in the closed position, the glass compresses the EPDM marine grade rubber seals running along the full length of each blade. Polyethylene brush gaskets are also fitted on the upright sections to further restrict air leakage.

    Window selection and installation is covered by the Australian Standard AS 2047, which suggests that window leakage of above 5.0L/s/m² is high and window leakage of 1.0L/s/m² is a low rating. Safetyline Jalousie louvres significantly outperform the industry standard at an impressive 0.25L/s/m², enabling buildings to retain heat in winter, and keep harsh elements and draughts out.

    Safetyline Jalousie louvre windows are recommended for any climate and are proven to reduce energy bills all year round.

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    • 7 Tepko Road
    • Terrey Hills
    • NSW 2084
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      1300 8 ...

    • Fax: 02 9450 3370
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