Folding-GL-220 LU 4L

System Overview

The GL-220 / LU is a semi-frame folding system designed to provide maximum opening width while maintaining high durability and excellent thermal and acoustic insulation.
The system allows full façade opening while keeping profiles and accessories discreetly integrated within the design, delivering a modern architectural appearance and reliable performance for outdoor applications requiring frequent operation.

Engineering Configuration

The system is manufactured using high-quality semi-frame aluminum profiles and operates with a side-folding mechanism supported by a bottom-hung load system that ensures stability and high load capacity.
Each hinge incorporates four rollers to enhance load capacity and reduce friction over time.
An upper guide with an integrated roller controls panel alignment and minimizes vibration during opening and closing.
Security is ensured through a central locking system with two locking bolts per operating unit, along with ergonomically positioned handles allowing operation from both sides.

• The system utilizes aluminum bottom folding hinges, with panel movement supported by load-bearing rollers running on dedicated tracks to ensure balanced load distribution and smooth operation.

• The glazing system is available as double glazing, either with vacuum double glass for superior thermal and acoustic insulation and condensation prevention, or conventional air-filled double glazing suitable for various applications.

Accessories

All accessories are manufactured entirely from high-quality aluminum, including hinges, operating mechanisms, handles, and locking components. Accessories are fully concealed within the profiles to preserve a clean and modern façade appearance.

Safety and Insulation

The system is fully sealed with continuous rubber gaskets between glass panels and profiles, preventing air and dust infiltration while enhancing thermal and acoustic insulation. A child-safe design minimizes the risk of hand trapping during operation.

Optional Folding Mesh System

The façade can be equipped with an optional folding aluminum mesh system, featuring fine ventilation openings, perimeter brushes, and a central locking mechanism (open / close). This option allows natural ventilation while preventing insects and maintaining privacy.

Areas of Use

Suitable for outdoor applications.

Maintenance and After-Sales Service

The system features easy maintenance with readily available spare parts, supported by professional technical support and after-sales service backed by extensive experience in large-scale projects. The system includes a paint warranty of up to 25 years only, ensuring long-term color stability and finishing quality.