// Products / Windows

Since some time we are selling and installing “conventional” window systems in PVC, wood and wood-aluminium. Now, however, Holz9 have the latest innovation in the field, the "frameless" windows. The SKY FRAME, a system developed in Switzerland, consist in large-surface sliding windows whose surrounding frame can be installed flush with walls, ceilings and floors. In addition, it fulfills all important requirements for a window like thermal insulation and security.