The catalog app for glass door fans. One app - two brands: licht & harmonie glass doors and aluminum impulse aluminum frames. Everything fits together perfectly here - the design network makes it possible. Here you will find the largest high quality complete range of glass designs and glass door fittings up to door frames and skirting boards made of aluminum. One app - three catalogs: LICHTPLUS, LICHTSPEKTRUM and ALUMIN AFFAIRS. With the licht & harmonie app, you can secure the latest catalogs