GLR-53Insulated Opening System
Combining high thermal insulation with a robust sash structure and advanced sealing details, GLR-53 delivers energy efficiency, comfort and durable performance for contemporary living spaces.
- 1 5/16″ high-performance thermal break
- 1 9/16″–2 7/16″ glazing range
- 264–400 lbs sash load capacity
Smart Solutions for Thermal Comfort
Energy efficiency, enhanced sealing and robust opening-system performance in one solution.
Energy Efficiency
The advanced profile and insulation structure reduces heat loss and supports balanced indoor comfort.
Integrated Insulation Foam
High-performance insulation foam placed within the frame limits heat transfer through the aluminum profiles.
Adjustable Lock Strike
Precisely adjustable lock strikes improve sash alignment and enhance the overall sealing performance.
Flexible Glazing Options
The 1 9/16″–2 7/16″ glazing range and triple glazing with integrated blinds support project-specific thermal, acoustic and solar-control requirements.
GLR-53 Technical Details
TECHNICAL SPECIFICATIONS
- Sash Width3 7/16″
- Minimum Sash-Frame Height4 7/16″
- Frame Width3″
- Glass Thickness1 9/16″–2 7/16″
- Thermal Break1 5/16″
- Sash Load Capacity264–400 lbs
- Thermal TransmittanceUw 0.90 W/m²K
Different configurations and glazing combinations allow thermal and acoustic performance to be optimized according to project requirements.
Explore the insulation detailsEnhanced Thermal Comfort
The thermal break, integrated insulation foam and multilayer glazing options work together to limit heat loss, supporting balanced indoor temperatures and energy efficiency throughout the year.
Integrated Insulation Foam
High-performance foam integrated within the frame significantly reduces heat transfer through the aluminum structure.
Adjustable Lock Strikes
Precise adjustment creates strong contact between sash and frame, supporting air, water and acoustic performance.
Let us define the right GLR-53 solution for your project.
Contact our specialist team for sash dimensions, glazing selection, opening configurations, insect screens and application options.