GLR-53 Insulated Opening System
GLR-53 INSULATED OPENING SYSTEM
Smart Solutions Thermal Comfort
TECHNICAL SPECIFICATIONS:
SASH WIDTH
3 7/16″
SASH-FRAME LENGTH (MIN.)
4 7/16″
FRAME WIDTH
3″
GLASS THICKNESS
1 9/16″ – 2 7/16″
INSULATION BRIDGE
1 5/16″
MAXIMUM SASH CARRYING
264 – 400 lbs
• Minimum Heat Loss with Integrated Insulation Foam
Our aluminum profiles feature high-performance thermal insulation foam integrated directly within the frame, dramatically reducing heat transfer and helping maintain a comfortable indoor temperature while maximizing energy efficiency.
• Enhanced Sealing Performance with Adjustable Locking Counterparts
Engineered for precision, the specially designed adjustable locking components ensure perfect alignment and superior sealing. This results in excellent air-tightness, water resistance, and sound insulation, providing both comfort and durability for modern living spaces.

Sound Performance

Water Isolation

Maximum Security

Minimal Look



