GLR-54 SLSlim Inward-Opening Window System
A thermally insulated, inward-opening aluminium window system with a concealed sash, designed to meet the aesthetic expectations of modern architecture.
- 34 mm high-performance thermal barrier
- 25–28 mm glazing range
- 120–200 kg sash weight capacity
Slim Design. Reliable Performance.
Concealed sash geometry, thermal insulation and reliable hardware come together in a refined opening system for contemporary residential and commercial architecture.
Concealed Sash Design
Minimized sash profile visibility creates a clean, uniform and visually seamless façade appearance.
Thermal Insulation
The insulated profile structure and 34 mm thermal barrier help limit heat transfer and support balanced indoor comfort.
Inward-Opening Window System
A practical inward-opening configuration provides comfortable operation and straightforward maintenance.
Reliable Hardware Solutions
Adjustable locking hardware supports precise alignment, dependable operation and improved sealing performance.
GLR-54 SL Technical Details
TECHNICAL SPECIFICATIONS
- Sash Width85.8 mm
- Frame to Sash Height55.4 mm
- Frame Width85 mm
- Glazing Thickness25–28 mm
- Thermal Barrier34 mm
- Sash Load Capacity120–200 kg
- Thermal TransmittanceUw 1.10 W/m²K
Performance values may vary according to dimensions, glazing combinations and application details. Please contact Linea Rossa for project-specific solutions.
Let us define the right GLR-54 SL solution for your project.
Contact our specialist team for sash dimensions, glazing selection, inward-opening configurations, hardware and application options.
Technical Documentation Portal
Access system CAD files, detailed technical documents and technical PDFs in one place through your approved account.
Portal access becomes available after your membership request is approved by Linea Rossa.