solid steel bifolding door

LG37S Hot-rolled steel series

Produced with hot-rolling technology, the 37 Series delivers a bold and solid profile with exceptional structural stability. Its clean, powerful lines make it ideal for expansive floor-to-ceiling windows, public architecture, and industrial-style projects, creating a strong visual presence and architectural impact.

LG50S Cold-bent steel series

Formed through advanced cold-bending techniques, the 50 Series is distinguished by its slim and refined profile, combining strength with lightness. It is best suited for interior partitions, fine window divisions, and minimalist modern spaces, offering both stability and a sense of elegance.

LG65S Thermal-break steel series

With integrated thermal-break technology, the 65 Series combines the inherent strength of steel with superior insulation and soundproofing performance. It is particularly suited for villas, luxury residences, and high-performance commercial spaces, ensuring both comfort and long-term durability.

steel-look thermal-break aluminum alloy

Built on lightweight aluminum alloy with thermal-break design, the 65 Steel-look Series replicates the authentic appearance of steel while offering aluminum’s advantages of corrosion resistance, insulation, and reduced weight. Perfect for modern homes, apartments, and design-focused spaces, it balances performance with distinctive aesthetics.

Shanghai

Shanghai

Beijing

Shanghai

Shanghai

Shanghai

London

London

Australia

Qingdao

London

America

Unlock Flexible Spaces with Premium Solid Steel Bifolding Doors
Solid steel bifolding doors redefine interior design by merging uncompromising strength with elegant minimalism. Engineered for residential and commercial spaces, these internal bifold doors feature genuine steel frames that support large glazed panels, flooding adjacent rooms with natural light while creating dynamic zoning. Unlike conventional doors, solid steel bifolding doors operate without obstructive floor rails, enabling smooth transitions between private and open layouts.

Tailored Design for Seamless Integration
Every solid steel bifolding door is made-to-measure, guaranteeing flawless alignment with existing architecture. Clients select from:

• Glass Variants: Clear (transparency), frosted (privacy), fluted (textured light diffusion), or tinted (UV control).

• Frame Finishes: Matte black, charcoal, white, or custom RAL colors to complement décor themes.

• Hardware: Color-matched handles and concealed hinges for uninterrupted sightlines.

This customization ensures solid steel bifolding doors enhance both modern apartments and heritage properties.

Robust Construction for Demanding Environments
The solid steel bifolding door framework utilizes powder-coated Q235 steel—resistant to corrosion and deformation—paired with 6mm laminated safety glass. This combination delivers:

• Structural Stability: Supports multi-leaf configurations (up to 8 panels) for wide openings.

• Safety Compliance: Tempered glass meets impact-resistance standards for homes and public spaces.

• Acoustic Insulation: Reduces noise transmission by >40dB, ideal for offices or studios.

Installation and Long-Term Performance
Professional installation by certified technicians ensures precise alignment and effortless operation. Solid steel bifolding doors glide via top-mounted rollers rated for 100,000+ cycles, requiring minimal maintenance. For commercial projects like boutique hotels or co-working spaces, these doors provide:

• Space Optimization: Stack panels laterally to free up floor area.

• Durability: Withstands frequent use in high-traffic zones.

• Aesthetic Consistency: Slim profiles maintain architectural harmony across rooms.