Export Portfolio
Featured Aluminium & Composite Window Systems
Precision-crafted fenestration solutions compliant with EU EN 14351-1 standards, tailored for residential, commercial, and historical urban projects across Berlin and Brandenburg.
Landsharp Double Glaze Glass Aluminium Accordion Folding Window System
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Double Glazed Thermal Break Aluminum Alloy Swing Casement Window for Villas
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Energy Star Qualified Custom Thermal Break Aluminum Sliding Window
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Architectural Removable Aluminium Shutter Frame & Louver System
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OUNA Windproof Low-E Double Glazed Aluminium Sliding Window with Integrated Mesh
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Retractable Trackless Pleated Mesh System for Large Aluminium Sliding Doors
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CE Certified European Style Aluminum Casement Window for Residential Projects
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Technical Whitepaper
Architectural Excellence: Navigating Berlin's Fenestration Landscape
Understanding the interplay of strict German energy conservation legislation (GEG 2024), urban noise mitigation, and microclimate resilience for direct export supply chains.
GEG 2024 & Passivhaus Thermal Performance
Berlin enforces stringent building energy codes under the Gebäudeenergiegesetz (GEG 2024). High-end modern developments demand overall window thermal transmittance values (Uw) of ≤ 0.8 W/(m²K) to meet Passivhaus standards, while standard modern builds require Uw ≤ 1.1 W/(m²K).
Our aluminium-wood composite windows utilize multi-chamber polyamide (PA66 GF25) thermal breaks combined with interior sustainably sourced timber (Pine, Larch, or Oak). This dual structure prevents thermal bridging while maintaining structural rigidity across temperature fluctuations spanning -15°C winter frost to +35°C summer heatwaves in Berlin.
- Triple-pane insulated glass units (IGU) with Argon gas filling (90%+ concentration).
- Warm-edge composite spacers (Swisspacer / TGI) eliminating edge condensation.
- Low-Emissivity (Low-E) soft coatings reflecting infrared radiation back into interior spaces.
Acoustic Isolation (Schallschutzklassen)
Urban density in central Berlin districts such as Mitte, Friedrichshain, and Charlottenburg subjects residential spaces to heavy traffic noise, S-Bahn railway acoustic vibrations, and bustling nightlife environments. Standard glazing fails to meet municipal quiet-living statutes.
We engineer specialized sound-reduction fenestration rated up to Schallschutzklasse 5 (Rw ≥ 45 dB). By integrating asymmetrical glass thicknesses (e.g., 8mm laminated outer + 16mm argon gap + 6mm toughened inner) and heavy-density timber framing, acoustic resonance is effectively dampened across low and high frequencies.
- Acoustic PVB interlayer lamination for high-decibel street facing elevations.
- Triple continuous EPDM gasket sealing systems along sash perimeters.
- Vibration-absorbent timber-to-aluminium clip mechanisms.
Altbau Heritage vs. Modern Neubau Integration
Berlin presents a unique architectural duality: thousands of late-19th-century Altbau apartments featuring high ceilings and intricate plaster facades requiring historical compliance (Denkmalschutz), alongside ultra-modern glass-fronted Neubau villas in Grunewald and Potsdam.
Our custom manufacturing capability allows precise reproduction of historical profile mullions, decorative transoms, and narrow sightlines, finished with weather-resistant exterior aluminum cladding (powder-coated in RAL 7016 Anthracite or historical greens) while retaining warm natural wood interiors.
- Custom extrusion profiles matching historical municipal design mandates.
- Concealed European tilt-and-turn (Dreh-Kipp) multi-point locking hardware.
- Slim frame sightlines maximizing indoor natural daylighting (Daylight Factor > 2.5%).
0.78
Uw Value W/(m²K)
48 dB
Max Noise Reduction
RC 3
Burglar Resistance Class
100%
EN 14351-1 Compliant
| System Series | Timber Interior Spec | Exterior Aluminum | U-Value (Uw) | Acoustic (Rw) | Primary Berlin Application |
|---|---|---|---|---|---|
| AluWood Passiv 88 | Triple Laminated Oak / Larch | Powder Coated 6063-T6 Alloy | 0.75 - 0.82 W/m²K | 42 - 47 dB | Passivhaus Villas, Eco-Developments (Potsdam/Grunewald) |
| AluWood Altbau Slim 68 | Finger-Jointed Nordic Pine | Anodized / RAL Historic Colors | 1.0 - 1.1 W/m²K | 38 - 44 dB | Heritage Renovation / Denkmalschutz (Mitte/Prenzlauer Berg) |
| AluWood Panorama Slide 150 | Solid Teak or Laminated Walnut | Ultra-Narrow Sightline Aluminum | 0.85 - 0.95 W/m²K | 35 - 40 dB | Luxury Penthouses & Terrace Connectors (Tiergarten/Spree) |
| AluWood Thermo Casement 75 | European Beech / Oak | Weather-Shield Clip System | 0.90 - 1.0 W/m²K | 40 - 45 dB | Modern Commercial Offices & Residential Multi-Family Builds |
Localized Applications
Tailored Fenestration Solutions Across Berlin Neighborhoods
From modern waterfront apartments along the Spree to historical residential quarters in Charlottenburg, explore how our custom exported aluminium-wood systems adapt to local architectural demands.
Historic Altbau Upgrades in Mitte & Prenzlauer Berg
Preserving the architectural soul of late 19th-century buildings requires strict adherence to historical preservation guidelines. Our AluWood Altbau Slim profiles replicate traditional segmented arches, decorative wooden glazing bars (Muntins), and original proportions while delivering modern thermal efficiency, eliminating drafts, and lowering heating bills during cold German winters.
Waterfront Villa Glazing in Potsdam & Wannsee
Properties facing the Havel River or Lake Wannsee require high wind-load resistance (DIN EN 12210 Class C5) and driving rain tightness (DIN EN 12208 Class E1050). Our composite lift-and-slide doors feature multi-point perimeter locking hardware and marine-grade anodized aluminum exterior shells that withstand moisture and harsh environmental exposure effortlessly.
Urban Acoustic Shields in Friedrichshain & Kreuzberg
Densely populated urban zones with night-economy activity and major transport arteries require extreme sound insulation. By configuring asymmetric laminated safety glass (VSG) with gas-filled acoustic gaps, our windows transform interior spaces into serene urban sanctuaries without compromising natural light inflow.
Market Insights
Emerging Trends in German Sustainable Architecture
How forward-thinking German architects and developers are combining material circularity, smart home integration, and biophilic design.
1. Biophilic Interiors + Zero-Maintenance Exteriors
German buyers increasingly reject cold, purely industrial window interiors in residential spaces. The trend strongly favors natural, bio-based timber linings (treated with VOC-free, water-based Remmers coatings) on the inside, coupled with fully recyclable extrusion-grade aluminium cladding on the exterior. This eliminates exterior repainting forever while offering psychological warmth indoors.
2. Security Standards (Widerstandsklasse RC2 & RC3)
Burglar resistance according to DIN EN 1627 is a non-negotiable buying criterion for ground-floor apartments and standalone single-family homes in Berlin suburban areas. Our manufacturing integrates mushroom-head locking cams, drill-resistant steel hardplates, and P4A / P5A anti-burglary laminated safety glazing, ensuring certified RC2 and RC3 protection.
3. Automated Micro-Ventilation & Smart Home Systems
To meet moisture control standards (Lüftungskonzept nach DIN 1946-6) without thermal loss, modern window exports integrate concealed electric chain actuators, magnetic reed contact sensors (for alarm system linkage), and trickle ventilation slots that regulate indoor humidity automatically while keeping sashes securely locked.
Manufacturer Authority
Why Leading European Buyers Partner With KARON
Operating a 10,000㎡ advanced manufacturing facility in Foshan, China, Karon Window & Door Co., Ltd. combines cost efficiency with rigorous international engineering standards for export clients across Germany and Europe.
Advanced 10,000㎡ Production Plant
Equipped with precision CNC double-head cutting saws, automated four-corner crimping machinery, and laser timber processing centers. Our standardized factory environment delivers razor-thin dimensional tolerances (±0.5mm) across mass production runs.
Rigorous Quality Control & Testing
Every fenestration unit undergoes full-process multi-stage inspection: profile anodizing thickness checks, glass sealant adhesion tests, hardware cycle endurance testing (20,000+ opening cycles), and chamber water-tightness pressure verification before crating.
Certified International Compliance
Our products carry verified international certifications including CE (EN 12150 & EN 14351-1), US SGCC, Australia AS 2208, and ISO 9001 quality management standards, assuring smooth municipal approval across Berlin's building authority (Bauamt).
German & European Hardware Integration
We work seamlessly with premier European hardware manufacturers (such as Siegenia, Roto, Hoppe, and GU) as well as engineered high-durability proprietary hardware, guaranteeing smooth operation and long service life.
Full CAD / BIM Engineering Support
Our dedicated engineering team translates architect elevation drawings and window schedules into comprehensive shop drawings, structural wind-load calculations, and 3D BIM models before production launch, avoiding costly field errors.
Export Logistics & DDP Shipping to Germany
We manage complete export documentation, heavy-duty sea-freight ply-wood packaging, humidity-proof wrapping, and container loading. Direct DDP (Delivered Duty Paid) shipping to site addresses in Berlin and Brandenburg is fully supported.
Buyer Support
Frequently Asked Questions for Berlin Buyers & Importers
Clear, authoritative answers to common technical, regulatory, and logistical questions when sourcing high-end custom windows from our factory.
How do your aluminium-wood windows comply with Germany's GEG 2024 energy regulations?
Our aluminium-wood systems achieve whole-window U-values (Uw) as low as 0.75 W/(m²K), comfortably outperforming GEG 2024 mandatory thresholds. We achieve this by combining 24mm to 34mm polyamide (PA66 GF25) thermal breaks, triple-pane low-E glass filled with 90% Argon gas, and low-conductivity warm-edge spacers (Swisspacer Ultimate). Detailed thermal simulation reports are provided with shop drawing approvals.
Can you manufacture windows according to Berlin historical preservation (Denkmalschutz) rules?
Yes. We specialize in custom profile extrusion and detailed timber joinery that replicates historical sightline profiles, decorative transom bars, and authentic frame proportions required in protected heritage quarters like Berlin-Mitte or Charlottenburg. The exterior aluminium shell can be customized in specialized matte or textured RAL shades to match existing historical building facades.
How is the interior timber protected against humidity and thermal warping during transit and installation?
We use multi-layer finger-jointed laminated wood (Pine, Larch, or Oak) dried to an exact 10-12% moisture content, preventing warping or twisting. The timber undergoes a three-stage ecological water-based dip and finish coating (micro-porous, UV-resistant, hydrophobic) that lets wood breathe while blocking moisture ingress. Furthermore, window units are vacuum-sealed in protective plastic film inside export-grade wooden crates for transit.
What burglar resistance ratings (RC2 / RC3) do your hardware options support?
Our windows can be configured to comply with DIN EN 1627 RC2 and RC3 standards. This includes multi-point steel mushroom-head locking gear, lockable handles rated to 100 Nm torque, anti-drill protection plates, and laminated security glass (VSG/P4A). These options are highly recommended for ground-floor installations and suburban villa projects across Berlin.
What is the typical lead time for direct export delivery to Berlin site locations?
Standard production takes approximately 25 to 35 days following final CAD shop drawing sign-off and material specification confirmation. Sea freight shipping from our Foshan factory to major European ports (Hamburg or Bremerhaven) takes approximately 28 to 35 days, followed by inland trucking to Berlin. Express rail freight (China-Europe Railway Express) options are also available for urgent commercial projects.
How do we initiate a custom quotation and engineering review?
Simply click the "Send an Inquiry" button to connect with our engineering sales team. Submit your architectural elevation drawings, window schedule, opening dimensions, target U-values, and project address. Our team will prepare detailed 2D shop drawings, profile recommendations, and a comprehensive B2B quotation within 24 to 48 hours.
Ready to Engineer Your Next Berlin Project?
Partner directly with a proven export manufacturer. Submit your window schedules or architectural drawings today for expert technical evaluation, shop drawings, and competitive factory-direct pricing.
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