Precision Double Door & Glazed Fenestration Portfolio
Engineered to deliver exceptional solar attenuation, acoustic suppression (Acoustique de Classement RA,tr), and superior air tightness (Perméabilité à l'Air Classe 4) for Île-de-France specifications.
GONHO Custom Champagne Accordion Folding System
Architectural multifold system featuring structural thermal breaks, flush perimeter tracks, and specialized dual-pane Low-E coatings suited for Parisian patio conversions.
Retractable Pleated Fiberglass Insect Barrier Door
Ultra-slim profile integration engineered to operate flush against French double glass portals without compromising thermal integrity or architectural sightlines.
Modern Bifold Accordion Vertical Counterbalance System
Precision gas-strut and motorized vertical-lifting portals, optimized for Parisian bistro store fronts, commercial hospitality terraces, and rooftop veranda partitions.
Custom High-Impact Double Tempered Sliding Portal
Heavy-duty structural interlocks delivering superior deflection indices under extreme wind loads, paired with high-performance double tempered security glass.
JBD Horizontal Sliding Folding Tempered Glass Assembly
Concealed carriage rollers with ultra-narrow stiles, accommodating warm-edge double glazed units to fulfill modern French residential energy efficiency criteria.
High-Performance Double & Triple Glazed Exterior Portal
Multi-chambered polyamide thermal breaks paired with argon gas cavity infill, specifically configured to achieve low Uw-values required for luxury French renovations.
Lukliving Premium Alu-Clad Timber Acoustic Sliding Door
Exterior-grade powder-coated structural aluminum exterior combined with sustainably sourced interior fine timber for prestige Haussmann interior architecture.
APRO Polyamide Thermal Break Glass French Bifold Portal
Integrated perimeter multi-point locking mechanism paired with continuous EPDM dual weatherstripping, engineered to resist severe driving precipitation.
Localized Applications Across the Parisian Architectural Fabric
Adapting precision manufacturing parameters to the strict spatial, acoustic, and heritage constraints of the Île-de-France built environment.
Haussmannian Inner-Courtyard Transformations
Historic 19th-century residential structures throughout the 7th, 8th, and 16th arrondissements present unique fenestration challenges. Our ultra-slim aluminium glass double doors replace decayed timber portals facing interior courtyards. Custom profile milling respects historic architectural profiles while infusing sound-reduction acoustic laminates (Rw + Ctr > 38 dB) to eliminate courtyard echoing.
Modern Suburban Pavilions (Hauts-de-Seine & Yvelines)
Contemporary residential extensions and modern villas in Saint-Cloud, Neuilly-sur-Seine, and Versailles demand large-format glazing that optimizes indoor-outdoor living. We engineer heavy-duty bi-fold and multi-track double sliding glass assemblies with flush thresholds, facilitating barrier-free terrace transitions compliant with French accessible construction standards (Norme PMR).
Hospitality Terraces & Boutiques (Marais & Opéra)
For Paris's dense hospitality corridors, storefronts require high physical security coupled with effortless thermal transition during fluctuating seasonal weather. Our commercial-grade double glass door configurations integrate concealed overhead closers, anti-panic escape hardware, and anti-intrusion laminated safety glass rated EN 356 (P4A/P5A).
Trends Shaping the French Glazing Industry: RE2020 & Beyond
A rigorous examination of French regulatory frameworks driving structural and thermal fenestration procurement.
Navigating RE2020 Carbon Budgets and Uw Thermal Transmission Metrics
The implementation of France's strict environmental standard, Réglementation Environnementale 2020 (RE2020), fundamentally changed procurement protocols for exterior doors and fenestration systems. Unlike older thermal guidelines (RT2012) that focused solely on operational energy conservation, RE2020 places equal weight on lifecycle embodied carbon (indicateur Carbone Construction - ICconstruction) and dynamic summer bioclimatic comfort (Degrés-Heures d'inconfort - DH).
To qualify for major building permits in Paris and surrounding departments, glass double doors must achieve a total window heat transfer coefficient (Uw) typically below 1.30 W/(m²·K). Reaching this milestone while deploying high-strength structural aluminium stiles requires multidimensional thermal isolation. DERCHI utilizes multi-cavity, continuous polyamide (PA66 GF25) thermal breaks reinforced with 25% glass fiber, separating exterior and interior extrusion segments to eliminate thermal bridging.
Furthermore, solar heat gain (Sw / Facteur Solaire) must be calibrated according to site orientation. In southern and western facades across Île-de-France, excessive summer solar transmission rapidly breaches the allowable DH thresholds. Our export-ready systems leverage dual-pane configurations composed of selective Low-E outer lites, 16mm warm-edge argon gas cavities (90% fill rate), and neutral-tint interior panes to optimize thermal retention in winter while rejecting 60% of unwanted infrared radiation in summer.
Qualicoat & Seaside Class Surface Protections
Urban pollution in central Paris—compounded by atmospheric sulfur and microparticulates—degrades substandard architectural finishes. DERCHI utilizes electrostatically applied Qualicoat Class 2 certified architectural powder coats and anodized treatments that resist acid deposits, micro-scratches, and aggressive atmospheric exposure.
Air, Water, and Wind Tightness (A*E*V* Classification)
Under standard NF EN 12207, NF EN 12208, and NF EN 12210 protocols, fenestration products deployed in French residential projects must pass stringent performance tests. Our double door systems consistently secure top certifications: Air permeability Class A*4, Watertightness Class E*7A/9A, and Wind resistance Class V*C3.
Integrated Low-Carbon Billeting & Circularity
Procurement teams are increasingly audited on structural supply-chain emissions. Our extrusions are manufactured using primary hydroelectric-refined billets and high proportions of recycled architectural aluminium scrap, providing transparent Environmental Product Declarations (FDES / EPD) for HQE-certified developments.
Enterprise Scale & Proven Global Logistics Capabilities
Direct industrial supply from Guangdong Dejiyoupin Doors and Windows Co., Ltd. (DERCHI).
Free CAD & BIM Drafting Services
Every order is tailored to your site measurements. Our engineering department prepares comprehensive BIM families and precision 2D/3D CAD shop drawings detailing structural mullions, rough opening tolerances, perimeter flashings, and anchor points, eliminating installation discrepancies prior to profile cutting.
Logistics Direct to Le Havre & Paris Hubs
We manage complete sea container load plans, shipping directly from Foshan/Shenzhen to Le Havre or Fos-sur-Mer, with bonded inland container transit straight into Paris freight yards. All double doors are individually export-crated in non-fumigation reinforced plywood with moisture desiccant bags and corner impact absorbers.
Multi-System Consolidation
Source your complete building envelope package in a consolidated shipment. In addition to aluminium glass double doors, we engineer heavy structural pivot systems, stainless steel security entrances, cast aluminium portals, and motorized garage doors to maximize container space and reduce transshipment expenses.
Frequently Asked Questions: Sourcing for Paris Projects
Crucial commercial, technical, and regulatory guidance for French general contractors, architects, and direct buyers.
