Explore our NFRC, AS2047, and CE certified aluminum systems engineered for heavy commercial duty cycles, extreme climate isolation, and high-end residential aesthetics.
Engineered for passive houses and luxury hotels requiring ultra-low U-factors and up to 42 dB sound attenuation.
High-density multi-chamber uPVC profiles with steel reinforcement for superior thermal resistance in residential villas.
Ultra-narrow sightline design with concealed heavy-duty stainless hinges, maximizing daylight transparency.
Heavy-duty structural extrusions with customized decorative mullion grids for luxury residential estates.
Large-section 798 profile type engineered to support oversized architectural glass panels up to 3.5 meters high.
Tailor-made opening configurations, arch-tops, sidelights, and customized anodized or wood-grain surface treatments.
Dual operable active/inactive sash design with integrated flush rebate seals for seamless indoor-outdoor transition.
Versatile dual-action opening mechanism offering top-tilting ventilation alongside full outward French swing operation.
In modern high-end residential and commercial architecture, custom French doors represent far more than an elegant transitional element between interior living space and external environment. They are critical building envelope assemblies responsible for maintaining structural integrity under extreme wind pressure, managing solar heat gain, preventing unwanted acoustic transmission, and delivering long-term security. As leading OEM French door manufacturers and business-to-business suppliers, Boutique Windows and Doors engineers custom aluminum systems designed to fulfill the exacting requirements of architectural specifiers, general contractors, real estate developers, and trade importers worldwide.
The performance foundation of any high-span French door system rests on profile alloy quality. Standard architectural extrusions utilize 6063-T5 aluminum alloy due to its excellent surface finish capability and corrosion resistance. However, for oversized custom French door configurations exceeding 2.7 meters in height, structural strength becomes non-negotiable. Boutique Windows and Doors utilizes high-tensile 6063-T6 and 6060-T66 aluminum extrusions with nominal wall thicknesses ranging from 1.6mm to 2.5mm.
This enhanced metallurgical temper yields an ultimate tensile strength exceeding 205 MPa and a yield strength over 170 MPa. This structural rigidity minimizes frame deflection under high velocity wind loads (DP ratings up to 60 PSF), ensuring smooth multi-point lock engagement and zero frame binding over decades of intensive commercial operation.
Unreinforced aluminum exhibits high thermal conductivity (approximately 200 W/m·K). To comply with stringent international energy codes such as ENERGY STAR®, ASHRAE 90.1, and the European Energy Performance of Buildings Directive (EPBD), our OEM French doors feature structural polyamide thermal breaks. We incorporate imported PA66-GF25 (25% glass-fiber reinforced polyamide) insulation strips engineered with multi-cavity insulation geometries.
Because glass occupies up to 85% of a French door's surface area, thermal and optical performance are heavily dictated by glazing configuration. boutique OEM production capabilities support fully customized IGU build-ups engineered for specific microclimates:
| Glazing Configuration | Center-of-Glass U-Factor | SHGC Range | Sound Transmission (STC) | Primary Application |
|---|---|---|---|---|
| Double Low-E (5mm + 12A + 5mm) | 0.26 BTU/h·ft²·°F | 0.28 – 0.42 | 32 dB | Standard Low-Rise Residential & Mild Climates |
| Triple Low-E Argon (5mm + 12A + 5mm + 12A + 5mm) | 0.15 BTU/h·ft²·°F | 0.20 – 0.35 | 38 dB | Cold Climates, Passive House & Net-Zero Buildings |
| Acoustic Laminated (6mm + 1.52 PVB + 6mm + 12A + 6mm) | 0.24 BTU/h·ft²·°F | 0.30 – 0.40 | 42 dB | Urban Hospitality, High-Traffic & Airport Zones |
| Hurricane Impact (6mm SGP + 12A + 6mm Tempered) | 0.27 BTU/h·ft²·°F | 0.25 – 0.38 | 39 dB | Coastal Impact & High-Velocity Hurricane Zones (HVHZ) |
A French door system is only as reliable as its operational hardware. Boutique Windows and Doors collaborates directly with premier European hardware manufacturers—including Gretsch-Unitas (G-U), Siegenia, Hoppe, and Kinlong—to supply fully integrated gear systems. Every OEM French door sash is fitted with a 3-point to 5-point stainless steel locking mechanism. When the primary handle is engaged, hardened mushroom-head cams lock tightly into heavy-gauge frame keepers around the perimeter, creating a continuous compression seal against air and water penetration while offering certified burglar resistance up to RC2 / PAS 24 standards.
Stay ahead of global architectural shifts with our breakdown of emerging procurement specifications, sustainable materials, and smart building integration trends.
Global building regulations are aggressively lowering maximum allowable U-factors. B2B procurement is shifting rapidly toward multi-chamber thermal breaks filled with expanded polyolefin (PE) insulation foam and argon-filled triple Low-E glazing assemblies capable of achieving Passivhaus certification.
Modern luxury residential architecture demands invisible structural frames. OEM manufacturers are innovating concealed leaf profiles, hidden heavy-duty hinges, and ADA-compliant zero-step floor thresholds featuring integrated subsurface drainage tracks.
Major international architectural firms require detailed Building Information Modeling (BIM) files prior to contract award. Boutique supplies fully parametric Revit family files, detailed CAD section drawings, and stamped structural calculations to streamline permit submittals.
Commercial operators and high-end homeowners are specifying motorized auto-locking French doors equipped with biometric entry, RFID readers, and automated integration into building management systems (BMS) for climate control and emergency smoke evacuation.
Next-generation VIG technology eliminates thick triple-pane glazing pockets by replacing gas cavities with a microscopic vacuum gap. This enables slim 8.3mm glass units to deliver U-factors under 0.10 BTU/h·ft²·°F, drastically reducing frame depth requirements.
To reduce expensive on-site labor cost, developers are requesting factory-assembled French door frames with pre-set hardware, pre-drilled anchoring flange holes, and barcoded modular packaging keyed directly to window opening schedules.
Boutique Windows and Doors provides end-to-end original equipment manufacturing services backed by rigorous third-party testing and global container logistics.
Our 45,000 m² production center is equipped with 5-axis CNC machining centers, automated corner crimping stations, and double-head precision miter saws capable of machining extrusions within a strict ±0.5mm tolerance line.
Every OEM French door platform undergoes rigorous laboratory testing by Intertek and certified testing bodies. We supply comprehensive performance reports for NFRC thermal ratings, AS2047 Australian standards, and NAFS air-water-structural pressure ratings.
Export goods are wrapped in protective polyethylene films, reinforced with heavy foam edge protectors, and secured inside custom-built steel-framed A-frame crates. Opening-by-opening labeling speeds up job site sorting and minimizes transport damage.
Detailed technical responses to common questions regarding engineering specifications, custom manufacturing, logistics, and compliance.
Our standard flexible OEM production threshold starts at 50 square meters for custom residential projects, or full 20ft/40ft container loads for commercial developments. Standard production lead times run between 25 and 35 calendar days following final shop drawing sign-off and color sample approval. Expedited production runs are available for urgent commercial submittal deadlines.
While vinyl (uPVC) offers good basic insulation, its structural flex limits maximum frame dimensions and often leads to sash sag over 2.4 meters. Solid timber offers classic aesthetics but requires constant surface maintenance and is vulnerable to humidity rot. Thermal-break aluminum combines structural strength (allowing leaf heights up to 3.5m), zero dimensional movement, complete weather resistance, and thermal insulation matching uPVC when fitted with PA66GF25 polyamide breaks.
Our systems are fully compliant with key international fenestration standards. For North America, we provide NFRC (National Fenestration Rating Council) test reports for U-factor, SHGC, and VT, alongside NAFS/AAMA structural air and water testing. For Australian projects, our platforms are tested and certified to AS2047 (Windows and External Glazed Doors in Buildings) and AS1288 glass safety standards.
We offer full custom surface finishing including AkzoNobel Interpon architectural powder coating (with up to 25-year warranties), 70% Fluorocarbon PVDF 3-coat paint finishes for severe marine environments, 25-micron anodic oxidation treatments, and advanced thermal-transfer wood grain finishes that replicate natural timber textures while maintaining aluminum durability.
Yes. Our in-house fenestration engineering department generates comprehensive CAD shop drawings, elevation schedules, wall-anchor attachment details, structural mullion deflection calculations, and LBNL WINDOW/THERM energy modeling reports for project permit review prior to factory production.
Our French door systems utilize a continuous 3-stage seal strategy featuring high-grade EPDM gaskets around the perimeter and rebate joints. The active and inactive sash meeting stiles incorporate overlapping aluminum astragals with dual weather-stripping, backed by concealed multi-stage sub-frame weep channels fitted with non-return valves to prevent wind-driven water back-up.
We offer standard integrated hardware packages from premium European manufacturers including German G-U (Gretsch-Unitas), Siegenia-Aubi, Hoppe handles, Sobinco, and HK Kinlong. Custom cylinder keying, master keying systems, electronic smart locks, and panic exit hardware can also be specified.
All finished units are inspected under strict ISO 9001 QA protocols before being wrapped in protective film, fitted with corner guards, and packed inside fully enclosed steel-reinforced wooden A-frame crates. Crates are loaded with moisture-absorbing desiccant packs and strapped into container floors to withstand heavy sea motion.