Bifold Doors

DERCHI's 78 Series Folding Bifold Accordion Door is CE/NFRC-certified and features US/AU IGCC-standard shatter-proof glass, guaranteeing both durability and safety. Insulated aluminum bifold doors with double tempered insulating glass, hidden hinges and KERSSENBERG hardware deliver wide openings, folding convenience, wind resistance and sealing for patios and commercial fronts. The hinge adopts a hidden Kerssenberg hinge, and the handle comes with an automatic locking function. The door achieves Uw values between 2.0–3.5 W/m²K for energy efficiency and withstands wind pressures up to 5,000 Pa. It meets ISO 717 standards with Rw values of 35–40 dB for effective noise reduction. Ideal for hotel lobbies, restaurants, compact spaces, and professional environments like conference rooms.

Sliding Doors

DERCHI's Q15 Heavy Large Sliding Door features precision-engineered sliding mechanisms, advanced thermal break technology, and comprehensive ISO/AAMA Performance Certification. Equipped with a 15 mm Polyamide Thermal Break, the system improves thermal comfort and acoustics. It achieves 450 Pa water resistance, a 4.5 m³/(m·h) air-tightness rating, and 35 dB noise reduction. Insulated sliding doors in multiple tracks and sizes combine large glass areas, quiet rollers, concealed drainage, and strong sealing to connect interiors with outdoor spaces. Multi-point locking systems and tempered safety glass provide enhanced security. Opening panels are available from 1,300–4,000 mm wide and 2,000–6,000 mm high, with fixed panels up to 18 m² each.

Garage Doors

DERCHI is a leading garage door manufacturer offering CE/NFRC certified premium doors with advanced security features and 25+ years of experience. Insulated aluminum garage doors with sturdy panels, quiet lifting hardware, and secure locking protect vehicles and storage while matching the overall design of the building. Incorporating built-in diamond mesh crimping, water-swellable strips, and concealed hardware interiors, they resist harsh weather, enhance thermal performance, and maintain a sleek appearance. Thermal break aluminum profiles prevent heat transfer through metal components, maintaining interior temperatures while reducing energy costs. Available in multiple colors, sizes, and panel configurations to complement existing architecture.

Swing Doors

DERCHI is a leading swing door manufacturer offering CE/NFRC certified premium doors with US/AU IGCC shatter-proof glass and 25+ years of experience. Aluminum swing doors use insulated glass, multi-point locking, and triple sealing for safe, stable access. DERCHI swinging doors open with minimal effort — the balanced design and precision hardware allow smooth movement even after years of use. Tight seals and insulated cores prevent heat transfer, minimizing energy loss and maintaining consistent indoor temperatures throughout the seasons. Swinging doors provide complete entryway clearance when opened, maximizing usable space and allowing easy movement of people and equipment.

Front Entry Doors

DERCHI offers multiple collections of custom front entry doors that combine sophisticated aesthetics with practical functionality. Reinforced aluminum front entry doors with thicker profiles, insulating glass or panels, and smart or mechanical locks provide security, weather protection, and a clean facade. Derchi uses specialized locking systems including multi-point locks, backed by patents like the Four-Sided Six-Point Lock system. Commercial doors withstand high-traffic usage with ADA-compliant hardware, automatic opening systems, and fire-rated designs that meet building codes. Aluminum plates use non-combustible materials, and surfaces treated with epoxy carbon withstand harsh environments with no defects after 48 hours of salt spray exposure.