Lacuna bifold doors


Click to download Lacuna Brochure Lacuna bifold doors, Passivhaus suitable folding sliding (bi-fold) doors, with Class 4 airtightness and U-values from 0.85W/m²K. Find out more here or contact us, sending details of your project (schedule, elevations and plans).


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Lacuna Passivhaus suitable triple-glazed bi-fold doors

Energy efficient and environmentally sound, Danish built Lacuna Passivhaus suitable bi-fold triple-glazed doors, opening to patios and balconies, with Class 4 airtightness and U-values from as low as 0.7W/m²K. Building to the passivhaus standard no longer means sacrificing the aspiration of many self-builders and designers to create an inside-outside space.

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