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Folding Glass Door SL 60e: Precision Engineering Meets Contemporary Design

Mar 25, 2026

When architecture calls for seamless transitions between indoor and outdoor spaces, the PEAK Folding Glass Door SL 60e delivers an unparalleled combination of structural integrity, thermal performance, and effortless functionality. Engineered for projects where quality and aesthetics are non-negotiable, this system represents the pinnacle of modern door technology.

Versatile Configuration Options

The SL 60e system offers exceptional flexibility to suit any architectural requirement. Available as either floor-mounted (standard) or top-hung configurations, the folding glass door can be ordered to open internally or externally, to the left and/or right—allowing complete freedom in layout design. Whether you're designing for a residential terrace, commercial showroom, or luxury villa, the system adapts seamlessly to your vision.

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Slim Profiles, Maximum Performance

With a system profile thickness of just 59 mm and narrow frames (panel joint of 130 mm), the SL 60e achieves a clean, minimalist aesthetic without compromising structural stability. The innovative tongue-and-groove interlocking panel profile combined with robust corner joints featuring thermal insulation ensures long-term durability and energy efficiency.

For accessibility-conscious projects, a flush floor track without upstand is available, providing barrier-free access compliant with disabled access requirements.

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Engineered for Real-World Conditions

The SL 60e is designed to perform under demanding conditions. The system has been rigorously tested to meet or exceed European standards:

Test Parameter Performance Level Standard
Air Permeability Class 4 DIN EN 1026 / 12207
Water Tightness Class 7A DIN EN 1027 / 12208
Wind Load Resistance Class B4 DIN EN 12211 / 12210
Long-term Functional Performance Class 3 (20,000 operations) DIN EN 1191 / 12400
Burglar Resistance RC2 / RC2N DIN EN 1627:2011
Secured by Design Certified PAS 24:2012, BS 6375-1 & 2:2009

Double wraparound seals provide superior protection against wind and rain, ensuring the door remains weathertight even in exposed locations.

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Exceptional Thermal Insulation

Energy efficiency is at the core of the SL 60e design. The system achieves a U-value as low as 1.10 W/m²K (Uw ≥ 1.10) with standard double glazing. Solid multi-chamber profiles with foam core construction meet the latest energy conservation regulations (EnEV), helping reduce heating and cooling costs year-round.

Glazing options include:

  • Heat-insulating glass as standard: Ua = 1.1 W/m²K (k = 1.0) with 2 × 4 mm float glass

  • Triple glazing available for enhanced thermal performance

  • Glass thicknesses from 5 mm to 40 mm to suit diverse project requirements

Smooth Operation, Lasting Performance

The SL 60e is designed for effortless use. Long-lasting stainless steel runners and tracks ensure quiet, smooth operation throughout the door's lifespan. Key operational features include:

  • Safe Operation: A special catch secures the swing panel, ensuring the door can be carried along safely

  • Height Adjustment: Post-installation adjustment of approximately 6 mm accommodates building settlement

  • Width Adjustment: Hinges can be easily adjusted with a screwdriver for precise panel alignment

  • No Protruding Runners: Concealed fittings enable one-handed operation and a clean appearance

  • Lockable in Any Position: Flexible locking options for security and ventilation control

Security Without Compromise

The integrated multipoint locking system works in conjunction with a comfortable door handle featuring catch bolt, lock, and profile cylinder to deliver high security. The espagnolettes with 24 mm throw lock panels securely into the top and bottom tracks, ensuring the door withstands gales while providing peace of mind.

Burglar resistance certification up to RC2 / RC2N is available, and the system meets Secured by Design standards—an essential consideration for projects requiring enhanced security specifications.

Complete System Compatibility

The SL 60e is part of a comprehensive window and door system. A complete window system is available to match the folding glass door, including:

  • Tilt and turn windows

  • Parallel slide and tilt windows

  • Fixed panels

This allows for cohesive design language across entire building facades.

Customization Options

To meet the unique requirements of each project, the SL 60e offers extensive customization:

Feature Options
Surface Finish Powder coating to RAL or anodised aluminium to EURAS
Panel Sizes Height up to 3,000 mm; weight up to 80 kg (special sizes available on request)
Glazing Single, double, or triple glazing; various glass types and thicknesses
Configuration Internal/external opening, left/right, floor-mounted or top-hung

Maximum Panel Dimensions

The SL 60e accommodates a wide range of project scales:

  • Panel height: Up to 3,000 mm

  • Panel weight: Up to 80 kg

  • Special sizes: Available upon request

Cleaning and Maintenance

Maintenance is straightforward, particularly with the top-hung configuration. Exterior surfaces can be easily cleaned by simply removing the hinge pins, eliminating the need for specialized equipment or access challenges.

Applications

The PEAK Folding Glass Door SL 60e is ideally suited for:

  • Residential projects: Luxury homes, penthouses, garden rooms

  • Commercial developments: Showrooms, restaurants, cafes, retail spaces

  • Hospitality venues: Hotels, resorts, event spaces

  • Institutional buildings: Healthcare facilities, educational campuses

  • Renovation projects: Heritage buildings requiring modern performance

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Why Choose PEAK?

With German-inspired engineering, independent R&D, and an unwavering commitment to quality, PEAK delivers folding glass door systems that architects, developers, and homeowners can trust. Every SL 60e system is backed by:

  • ISO 9001 certification

  • CE marking

  • Comprehensive performance warranties


Discover the PEAK Folding Glass Door SL 60e

Ready to transform your next project with a folding glass door system that combines aesthetic elegance with proven performance? Contact us to discuss your requirements, request technical specifications, or schedule a consultation.

📧 Email: [email protected]
📞 Tel/WhatsApp: +86-18586297006
🌐 Website: www.peak666.com

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