Direct factory-manufactured double & triple glazed aluminum windows and door units engineered to European standards (EN 14351-1).
Precision-engineered high-temperature enamel finish exterior entrance system offering exceptional corrosion resistance and modern luxury aesthetics.
Anthracite exterior, clean white interior horizontal aluminum unit with 32mm acoustic thermal glazing designed for tight subterranean seals.
Thermally broken structural aluminum profile integrated with multi-locking mechanisms for low U-values and effective noise isolation.
Heavy-duty structural rolling system featuring double glass panes, hurricane impact rating, and seamless floor-to-ceiling opening capacity.
Advanced glass-fiber reinforced polymer thermal bridge isolation profile combined with impact-resistant toughened double glazing.
Architectural French doors engineered with European sash grooves, EPDM perimeter gasket seals, and minimal sightlines.
Multi-point locking thermal panel front entry solution optimized for water tightness, maximum wind load durability, and burglary protection.
Ultra-slim profile interior aluminum doors featuring customized acid-etched frosted double glazing for high humidity resistance.
Luxembourg represents one of Europe's most stringent building performance markets. Located in Western Europe with a oceanic-continental transitional climate, the Grand Duchy experiences damp winters with sub-zero thermal drops and increasingly warm summers. Under the national Nearly Zero-Energy Building (nZEB) regulations—known locally as Niedrigenergiehaus and Passivhaus frameworks—building envelopes must maintain exceptional thermal insulation integrity.
For B2B importers, general contractors, developers, and architects operating across Luxembourg City, Esch-sur-Alzette, Differdange, and Dudelange, procuring double and triple glazed aluminum window systems requires strict compliance with localized energy performance thresholds. Fenestration components must achieve overall window heat transfer coefficients ($U_w$) typically ranging from $0.8 \text{ W/m}^2\text{K}$ to $1.1 \text{ W/m}^2\text{K}$. Moreover, under Luxembourg's state subsidy schemes (such as the Klima-Prämien incentive program for residential building refurbishments), energy-efficient windows must meet certified thermal benchmarks alongside proven air tightness (EN 12207 Class 4) and wind resistance (EN 12210 Class C5).
Comprehensive comparative data designed for structural engineers, project specifiers, and commercial buyers.
| System Series | Profile Specification | Thermal Insulation ($U_w$) | Acoustic Damping ($R_w$) | Glazing Cavity & Fill | Hardware & Security |
|---|---|---|---|---|---|
| VEL-75 Thermal Casement | 6063-T6 Aluminum (1.8mm wall) + 24mm PA66 Strip | 1.1 – 1.3 W/m²K | 38 – 42 dB | 5mm Low-E + 16Ar + 5mm Tempered Double Glazed | Multi-point Lock / RC2 Security Rating |
| VEL-85 Passive Triple | 6063-T6 High-Precision + 34mm PA66 GF25 Strip | 0.78 – 0.90 W/m²K | 42 – 46 dB | 4mm Low-E + 14Ar + 4mm + 14Ar + 4mm Triple Glazed | Hidden Hinges / Siegenia or Roto Hardware |
| VEL-140 Lift & Slide | Heavy-Duty Architectural Alloy (2.0mm wall) | 1.2 – 1.4 W/m²K | 36 – 40 dB | 6mm Toughened + 18Ar + 6mm Low-E Double Glazed | Heavy-duty 400kg Tandem Stainless Rollers |
| VEL-65 Slim Line French | Narrow Sightline Frame + EPDM Triple Gasket | 1.3 – 1.5 W/m²K | 35 – 39 dB | 6mm Solar Control + 14Ar + 6mm Tempered | Concealed European Sash Locking Pins |
Tailored structural window and door configurations designed for regional architectural typology.
Acoustic insulation is paramount in multi-family developments along major transit routes near Gare, Limpertsberg, and Kirchberg. Our double glazed tilt-and-turn units integrate acoustic laminated glass panes ($R_w \ge 45\text{dB}$) to filter high-frequency traffic rumble while enabling micro-ventilation.
Modern luxury homes require maximum natural daylight and seamless indoor-outdoor transition. Veltor’s slim-frame lift-and-slide double glazed doors support massive glass panels up to 3 meters in height with ultra-low thermal transmittance to prevent winter heat loss.
Replacing traditional timber windows in historic communes like Vianden or Echternach requires matching strict color palette mandates (RAL Anthracite Grey 7016, Bronze, or Anodized Metallic). Custom dual-color powder coating delivers traditional exterior compliance with modern interior warmth.
Veltor Window & Door Co., Ltd. operates state-of-the-art manufacturing facilities in Foshan, Guangdong—the world’s most advanced hub for architectural aluminum profile extrusion and surface treatment. By pairing raw material access with rigorous European quality assurance protocols, we bridge the gap between factory-direct pricing and high-end engineering compliance.
All aluminum extrusions undergo fluorocarbon (PVDF) or Qualicoat-certified powder coating, guaranteeing color stability and UV resistance against severe weather for over 20 years.
Equipped with German double-head cutting saws and 5-axis CNC machining centers, guaranteeing corner crimping tolerance within $\pm 0.5\text{mm}$ for flawless water tightness.
Units are wrapped in protective PE film, outfitted with corner guards, and packed into reinforced fumigated plywood crates organized by building floor opening codes.
Key directional shifts influencing architectural specifications and B2B order volumes.
Double glazing remains popular for retrofit applications and mild zones, but standard new-build specs in Luxembourg are rapidly shifting to triple pane units featuring Warm Edge spacers (e.g., Technoform or Swisspacer) and Argon gas insulation (90% fill rate).
With densification around Kirchberg and Belval, architects are requesting asymmetrical glass thickness builds (e.g., 6mm Outer + 16mm Space + 4.4.2 Soundproof PVB Inner) to decouple sound waves and reach $R_w + C_{tr} \ge 40\text{dB}$.
Concealed sashes, invisible hinges, and ultra-narrow interlocking stiles (less than 30mm visible width) are high in demand for high-end residential builds seeking maximal daylight infiltration ($g$-value optimization).
Essential technical and logistics guidance for international procurement managers.
Yes. All Veltor window and door exports destined for the European Union comply with EN 14351-1 standards. We provide full Factory Production Control (FPC) documentation, Declaration of Performance (DoP), and CE compliance tags detailing air permeability, water tightness, wind load resistance, and thermal transmittance values required by Luxembourg authorities.
Our standard double glazed thermal-break windows achieve $U_w$ values between $1.1 \text{ W/m}^2\text{K}$ and $1.3 \text{ W/m}^2\text{K}$ using soft-coat Low-E glass, 16mm Argon gas cavities, and warm-edge spacers. For projects requiring $U_w \le 0.8 \text{ W/m}^2\text{K}$ to qualify for local energy subsidies, we recommend our VEL-85 triple-glazed thermal series.
We handle full export logistics under FOB, CIF, or DDP terms. Ocean freight is containerized from Shenzhen/Nansha ports directly to major European distribution ports such as Antwerp or Rotterdam, followed by bonded truck transit straight to your construction site in Luxembourg (e.g., Luxembourg City, Clervaux, Grevenmacher).
Absolutely. Every unit is built 100% to measure based on approved CAD shop drawings. We offer complete color matching via the RAL color system, including dual-color anodizing and textured powder coatings (e.g., RAL 7016 Anthracite Grey, RAL 9005 Jet Black) to conform to municipal historic design guidelines.
We integrate premium European hardware systems, including German Roto Frank, Siegenia-Aubi, and Winkhaus, alongside high-grade Veltor proprietary stainless steel hardware. This guarantees RC2/RC3 anti-burglary protection, smooth tilt-and-turn operation, and heavy-duty load support for large sashes.
Typical production lead time is 25 to 35 days following CAD shop drawing approval and deposit receipt. Shipping transit from South China ports to Antwerp/Rotterdam takes approximately 28 to 35 days, allowing total project delivery in roughly 8 to 10 weeks.
Planning a residential development, hotel project, or wholesale fenestration import in Luxembourg? Send us your window schedules or elevation drawings for direct factory pricing and technical analysis.