NARROWEST VIEWS, PATENTED TECHNOLOGY
With an installation depth of 67 mm , the Ecoline bi-folding door system offers a slender face width of 99 mm in the sash joint. The reason for this is the heart of the bi-folding door, the bionicTURTLE:® a multifunctional insulating bar that combines various technical details. Its shape enables extremely slim profiles – even with large sashes and high sash weights. It also serves to accommodate locking and fittings and ensures perfect insulation.