Explore our export-grade roof fenestration solutions, manufactured with structural 6063-T6 aluminum profiles, high-performance insulated glass units (IGU), and multi-point hardware.
As leading China wholesale roof window manufacturers and exporters, we engineer high-altitude fenestration systems tailored to withstand structural wind pressures, solar radiation, thermal expansion, and strict atmospheric water ingress standardizations. Modern architectural roof windows are no longer simple daylight apertures—they are engineered thermal barriers essential to building envelope decarbonization.
Roof windows and skylight fenestrations encounter significantly harsher environmental stresses than standard vertical perimeter windows. Overhead installations must resist dynamic wind loads up to 5000 Pa (Class 9 under ASTM E330 standards), impact loads from environmental debris, and thermal shock from direct solar exposure.
Our manufacturing facility utilizes high-tensile 6063-T5 and 6063-T6 structural aluminum alloys extruded to wall thicknesses ranging between 1.8mm and 3.0mm. To ensure long-term structural integrity without frame deflection, frame corners are connected via pneumatic corner crimping using German-imported corner keys and two-component structural epoxy injection. This prevents frame racking and ensures permanent water-tight corners under heavy snow load burdens (up to 1.5 kN/m²).
Thermal conduction through roof apertures accounts for up to 25% of commercial building HVAC energy loss. To satisfy strict regional building codes such as US NFRC ratings, European CE Standards (EN 14351-1), and Passive House Institute (PHI) criteria, our roof windows incorporate PA66-GF25 polyamide thermal break strips (reinforced with 25% glass fiber).
These thermal barriers decouple the external aluminum sash from the internal frame, stopping cold bridge conduction. Paired with triple-seal EPDM gaskets and double/triple-glazed Low-E insulated glass units (IGU) filled with 90% pure Argon gas, our windows achieve frame thermal coefficients down to Uf = 0.79 W/m²K and overall assembly sound reduction indices exceeding STC 42 dB.
| Performance Indicator | Standard Commercial Grade | Tejjsons Architectural Roof Window Grade | International Standard Compliance |
|---|---|---|---|
| Aluminium Alloy & Temper | 6063-T5 (1.4mm wall) | 6063-T6 Architectural Grade (1.8mm – 3.0mm) | GB/T 5237 / ASTM B221 |
| Thermal Transmittance (U-Value) | 2.4 – 3.0 W/m²K | 0.79 – 1.3 W/m²K (Thermally Broken) | NFRC 100 / EN ISO 10077-2 |
| Acoustic Isolation (STC/Rw) | STC 28 – 32 dB | STC 40 – 45 dB (Triple Glazed Laminated) | ASTM E413 / ISO 717-1 |
| Water Tightness Rating | 300 Pa (Class 6A) | ≥ 900 Pa (Class E900 / Class 9A) | EN 12208 / AAMA 501 |
| Air Infiltration Rate | Level 3 (Q1 ≤ 1.5 m³/m·h) | Level 8 (Q1 ≤ 0.5 m³/m·h - Ultra Airtight) | EN 12207 Class 4 |
| Surface Coating Spec | Standard Powder 40µm | AkzoNobel / PPG Fluorocarbon PVDF 60-80µm | AAMA 2605 / Qualicoat Class 2 |
A primary failure point in wholesale roof window procurement is inadequate internal condensation drainage. When indoor humidity rises toward overhead glass surfaces during colder months, condensate water can pool and cause interior frame staining or drywall decay.
Our custom roof window designs incorporate a multi-chamber internal pressure-equalized drainage network. Sub-frame condensation channels capture internal micro-droplets and direct them outward through concealed exterior weep holes equipped with anti-wind baffle caps. This guarantees zero moisture retention within the internal building envelope under all atmospheric conditions.
Stay ahead of architectural developments with next-generation manufacturing technology, smart building integrations, and sustainable material science.
B2B procurement is rapidly shifting toward smart daylighting solutions. Future roof windows are increasingly specified with PDLC switchable privacy glass and electrochromic solar-tuning coatings. Importers and commercial developers now demand roof fenestration that changes tint dynamically based on solar angle and internal temperature, cutting summer cooling loads by up to 35%.
Manual roof window operators are being replaced by integrated 24V DC hidden chain actuators. Modern wholesale orders favor roof windows with built-in rain, wind, and smoke sensors compatible with Tuya, Zigbee, KNX, and RS485 building management systems (BMS). Automatic closure upon rain detection ensures complete interior safety without manual intervention.
Pioneered by high-end architectural engineering, magnetic levitation sliding roof mechanisms remove traditional roller wear. Heavy multi-pane glass panels float smoothly on magnetic tracks, providing near-silent opening, zero track friction wear, and decades of reliable duty cycle performance for luxury penthouses and hotels.
To reduce expensive site labor hours across Europe, North America, and Australia, commercial contractors require factory-assembled, unitized skylight kits. We manufacture modular roof window frames complete with factory-applied flashing kits, pre-installed glazing tape, and standardized mounting brackets for plug-and-play field installation.
Partner with an established manufacturer backed by 25+ years of engineering mastery, stringent quality assurance, and end-to-end B2B support.
We do not push off-the-shelf catalog sizes. Our dedicated engineering division generates comprehensive CAD shop drawings, 3D structural BIM models, wind load stress calculations, and thermal simulation reports for direct client and architect sign-off before fabrication begins.
Every batch undergoes stringent testing: air-permeability chambers, high-pressure water jet spraying (900 Pa), corner torque shear tests, and dry-assembly fit-checks. Zero sub-standard components leave our factory floor, protecting your brand reputation overseas.
Glass and aluminum profiles travel through multi-leg sea freight. We package all windows in IPPC-certified fumigated solid wooden crates, featuring steel-corner reinforcements, shock-absorbing EVA foam blocks, vacuum moisture-seal bags, and A-frame glass transport racks.
Direct answers to essential technical, logistics, ordering, and certification questions asked by international buyers, wholesalers, and project managers.
Yes. We regularly supply custom-engineered roof windows, skylights, and architectural aluminum systems to contractors, developers, and wholesale distributors in North America, Europe, Australia, the Middle East, and Southeast Asia. Every shipment comes complete with international customs documentation, packing lists, CE/NFRC test certificates, and step-by-step installation drawings.
For international sea freight shipments, our standard MOQ is usually one 20ft container load or a complete project opening schedule (whichever is reached first). However, for established distributors evaluating our fabrication quality, sample trial orders or mixed-system consolidated containers can be arranged upon technical review.
Overhead glazing requires strict safety glass compliance. Our standard configuration uses a outer toughened glass pane combined with an inner laminated safety glass pane (e.g., 6mm Low-E Toughened + 12mm Argon + 5mm + 0.76PVB + 5mm Laminated). This configuration ensures that even if the outer pane suffers extreme impact damage, the inner laminated glass retains structural integrity and prevents glass fragments from falling inside.
We provide architectural-grade AkzoNobel or PPG powder coatings (60–80 microns thick) and anodized finishes (15–25 microns). For coastal or marine installations exposed to high salt spray, we recommend our Qualicoat Class 2 or PVDF fluorocarbon coatings, which offer a 15- to 25-year finish guarantee against chalking, fading, and oxidation.
Once shop drawings and hardware specifications are approved in writing, standard thermally broken aluminum roof windows are manufactured within 4 to 6 weeks. Complex motorized systems, heavy maglev sliders, or specialized triple-pane switchable smart glass units take 6 to 8 weeks. Transit times vary depending on the destination port and are confirmed prior to order placement.
Absolutely. Our in-house structural engineering department analyzes local wind pressures, snow loads, U-value requirements, and water infiltration standards. We adjust profile wall thickness, glass specs, and EPDM gasket seal counts to ensure compliance with relevant US (AAMA/NFRC), European (EN), and Australian (AS2047) standards.
We provide custom aluminum flashing systems designed for roof pitches ranging from 15° to 85°. For low-pitch or flat roof applications, we supply custom curb-mounting adapter frames with integrated rubber membrane channels, ensuring seamless integration with standing seam metal, tile, asphalt shingle, or EPDM roof systems.
All aluminum extrusions carry a 10-year structural warranty, insulated glass units carry a 10-year seal failure warranty, and European hardware components carry a 5-year operational warranty. Replacement hardware, motor actuators, gasket seals, and remote technical support remain readily available throughout the life cycle of your project.
