seele is one of the world’s top companies specialising in the design and construction of façades and complex building envelopes made from glass, steel, aluminium, membranes and other high-tech materials.

Sieger Architektursystems are the first choice for architects, builders, developers and discerning individuals looking for a modern and high-performance solution for their aluminium windows and doors.

We are good at channel glass/U glass, tempered glass, laminated glass and IGU, especially tempered channel glass, 1/2"​, 5/8"​ tempered glass, laminated glass, jumbo size safety glass, curved glass, low iron glass. The max size of products we can manage is 10*3 meters, min size 50*50mm.