Unique features such as flexibly variabe box thicknesses and box heights make the HELLA trav a proven classic on the market.
The structurally optimised box system HELLA trav is already integrated in the carcass of the building. The massive insulation body significantly contributes to heat and noise insulation. The formation of condensation water is avoided thanks to the diffusion open construction of the HELLA trav.
Simple and labour-saving assembly and the custom-fit installation of the windows due to the defined limit stop make the HELLA trav a classic among the box systems.
Every building has its peculiarities Whether the window follows a curvature or has the shape of an oriel: the HELLA box system makes almost any variation possible, since the TRAV can be designed individually. Hence, there are no limits to architectural possibilities.