LR-3500Insulated Sliding System
Designed for wide openings, LR-3500 combines the HBSB lift-and-slide mechanism with high carrying capacity, a slim interlock and effortless operation.
- 440 lbs standard capacity, 660–880 lbs with HBSB
- 13/16″–1 3/4″ glazing and a 15/16″ thermal break
- Monorail, 3-track frame and integrated fly screen options
Key Features
HBSB Lift-and-Slide Mechanism
The dedicated lift-and-slide mechanism enables effortless, stable movement of large sashes weighing 660–880 lbs.
Integrated Fly Screen
A fly screen design compatible with all frame types provides comfort while preserving the system's clean appearance.
45° and 90° Sash Connections
Alternative corner joints provide flexible solutions for different architectural openings and project details.
High Durability and Smooth Operation
The stainless steel rail system and specially designed bearings combine long-lasting performance with enhanced user comfort.
Technical Details
Sliding Types
Technical Specifications
- Sash Width2 1/8″
- Sash Height3 11/16″
- Frame Height1 3/4″
- Glass Thickness13/16″–1 3/4″
- Maximum Sash Carrying Capacity440 / 660–880 lbs
- Thermal Break15/16″
The HBSB lift-and-slide mechanism enables effortless movement of heavy sashes and secure, stable operation across wide openings.
The slim interlock, available in 1 9/16″ and 2″ thickness options, brings more light and view indoors. Monorail and 3-track frame alternatives can be selected to suit project requirements.
Let’s determine the right lift-and-slide solution for wide openings.
Get support from our expert team on sash weight, the HBSB mechanism, glazing, frame types and fly screen options.