GLR-64 Insulated Bi-Fold System
GLR-64 INSULATED BI-FOLD SYSTEM
Precision in Motion. Strength in Every Detail.
TECHNICAL SPECIFICATIONS:
FRAME WIDTH
1 1/8″
FRAME LENGTH
3 3/8″
SASH WIDTH
3″
SASH LENGTH
3″
MAXIMUM SASH CARRYING
264 lbs
THE WEIGHT OF THE SASH IS CARRIED BY THE BEARING CONNECTED TO THE LOWER FRAME
LOWER CARRIER BEARINGS
✓
SLOTTED THRESHOLD ALTERNATIVE
✓
POSSIBILITY TO COLLECT THE SASH AT 45°
✓
POSSIBILITY TO COLLECT THE FRAME AT 90°
✓
HEAT AND SOUND INSULATION
✓
• Lower Carrier Bearing System for Heavy Sashes
The sash weight is directly supported by high-capacity lower carrier bearings connected to the frame, ensuring stable movement and reliable long-term operation.
• Smooth Sliding with Reduced Threshold Stress
By transferring the sash load through the lower bearing system, pressure on the threshold is minimized, improving sliding comfort and enhancing structural durability.
• Slotted Threshold Alternative & Flexible Collection Options
Optional slotted threshold solutions provide a cleaner floor transition, while 45° sash and 90° frame collection possibilities support flexible architectural applications and modern minimalist designs.

Sound Performance

Water Isolation

Maximum Security

Flyscreen Option
GLR-64 Bi-Fold Door System combines modern architectural aesthetics with advanced lower carrier bearing technology, creating flexible and spacious transitions between indoor and outdoor living environments. The system utilizes precision-engineered lower carrier bearings that transfer the sash load directly to the lower frame, providing stable, smooth, and quiet operation while supporting reliable long-term durability. Optional slotted threshold solutions create a cleaner and more minimalist floor transition, improving accessibility while preserving the refined contemporary appearance of the system. 45° sash collection and 90° frame collection possibilities offer flexible opening configurations, supporting modern architectural applications with enhanced functionality and spatial freedom.







