GL1 Sliding closure

The GL1 aluminum sliding closure is the perfect addition to your aluminum window sills! Our unique system ensures an absolutely watertight connection between the window sill, finish and façade and provides lasting protection against moisture, structural damage and unsightly discoloration. Thanks to its sophisticated design, the sliding closure effortlessly compensates for temperature-related expansion (ETICS) - without any stresses or cracks. The elegant look blends seamlessly into any façade design and sets new standards in terms of functionality and durability. Trust in quality that lasts - innovative, safe and unmistakable.