Production Footprint
Years Engineering
Patents & CE Testing
Thermal Uw Capability
Engineered Window & Door Systems for European Architecture
Precision-milled aluminium solutions custom manufactured for developers, general contractors, and trade importers across Slovakia.
ZEKIN Hurricane Impact Double Glazed Black Sliding Window
Optimizing Aluminium Sliding Sash Windows for the Slovak Construction Sector
Slovakia presents a rapidly shifting architectural landscape where modern minimalism converges with historical restoration. In urban centers such as Bratislava, Košice, Trnava, and Banská Bystrica, architects increasingly demand traditional aesthetic silhouettes—such as vertical sliding sash profiles—combined with cutting-edge structural engineering. Historically, timber hung sash assemblies suffered from rot, expansion during wet springs, and significant heat loss due to draft vulnerabilities. Our engineered aluminium sliding sash windows solve these historical trade-offs, delivering multi-chamber polyamide thermal breaks (PA66 GF25), low-emissivity triple glazing units, and dual pre-stressed mechanical spring balances that eliminate external weight cords while securing an airtight barrier.
Historical Heritage & Old Town Renovation
Strict regional monuments boards (Pamiatkový úrad SR) mandate that refurbished townhouses preserve narrow sightlines and authentic mullion divisions. Our slim-profile aluminium double-hung units allow authentic Georgian and colonial internal/external glazing bar replications while boosting modern thermal insulation values to meet contemporary living standards without compromising facade authenticity.
High Tatra Alpine Residential Villas
Subjected to severe alpine winds, high mechanical snow loads, and prolonged negative temperature regimes, our thermally broken extrusions utilize heavy-wall 6063-T6 architectural alloy. Equipped with automotive-grade EPDM weatherstripping and high-load spiral balances, sashes maintain tight air-infiltration seals even during intense wind gust scenarios.
Contemporary Bratislava Residential Towers
Modern luxury suburban developments in Záhorská Bystrica and commercial high-rises along the Danube require space-saving vertical ventilation that does not interfere with interior window treatments or premium spatial layouts. Smooth sliding balances allow controlled purge ventilation and effortless internal cleaning through tilt-in sash mechanics.
Emerging Architectural & Regulatory Trends Across Slovakia
The Slovakian construction industry is operating under aggressive decarbonization directives aligned with the EU Energy Performance of Buildings Directive (EPBD). Four critical technical trends dominate fenestration procurement:
A0 Zero-Energy Compliance
Standard double-hung windows are widely critiqued for air leakage. We engineer bespoke multi-fin brush seals combined with continuous compression gaskets, achieving class 4 air permeability (EN 12207) and overall Uw values down to 0.85 W/(m²·K) with warm-edge argon-infilled triple IGU packages.
Qualicoat Architectural Finishes
Slovakia's temperature swings trigger surface cracking in low-tier coatings. DERCHI applies AkzoNobel or PPG architectural powder coatings certified to Qualicoat Class 2 standards, ensuring UV-fade stability, acid-rain resistance, and thermal shock integrity over decades of seasonal cycling.
Enhanced Burglary Resistance (RC2)
Institutional and private residential procurement directives increasingly stipulate EN 1627 RC2 standards. Our vertical sliding sash assemblies feature multi-point anti-lever locking catches, structural corner crimping, and internal safety glazing beads to deter unauthorized forced entry.
Engineering Specifications Matrix for Importers
| Performance Characteristic | European / Slovak Standard | DERCHI Engineering Specification | Architectural Benefit |
|---|---|---|---|
| Thermal Transmittance (Uw) | STN 73 0540-2 / EN ISO 10077-1 | 0.85 – 1.2 W/(m²·K) (Triple / Double Glazed) | Meets strict Slovak A0 near-zero energy building codes |
| Air Permeability | EN 12207 | Class 4 (600 Pa maximum pressure seal) | Prevents winter draft penetration and thermal bridging |
| Watertightness | EN 12208 | Class 9A / E1050 (Up to 1050 Pa driving rain) | Total protection against driving mountain downpours |
| Wind Load Resistance | EN 12210 / AS 2047 N6 | Class C5 / N6 Rating (≥ 2400 Pa service load) | Structural stability on exposed elevated floors and ridges |
| Acoustic Attenuation (Rw) | EN ISO 717-1 | 36 dB – 44 dB (Acoustic PVB Laminated Glass) | Attenuates downtown urban road traffic and rail acoustics |
| Surface Treatment | Qualicoat Class 2 / AAMA 2604 | Fluorocarbon / PVDF / Ultra-Durable Powder | 30-Year structural guarantee without chalking or peel |
Why Slovak Importers Partner with Guangdong Dejiyoupin (DERCHI)
As a verified Top 10 premium door and window brand in China, Guangdong Dejiyoupin Doors and Windows Co., Ltd. (DERCHI) operates from an expansive 180,000㎡ precision manufacturing base in Foshan, Guangdong. Backed by over 25 years of engineering experience and a skilled production corps of 600+ personnel, DERCHI bridges the gap between massive scale manufacturing advantages and meticulous European architectural tolerances.
CAD & BIM Pre-Engineering
Before metal extrusion cutting starts, our specialized engineering team supplies fully dimensioned shop drawings, structural wind-load load calculations, and section elevation files compatible with European architectural suites, minimizing site adjustment risks.
Turnkey Export Packaging
Shipping to continental Europe requires bulletproof maritime crating. Our vertical sashes are individually wrapped in anti-scratch protective film, corner-guarded, and secured in fumigated seaworthy steel-reinforced timber crates designed for direct crane offloading in Bratislava or Danube river logistics terminals.
Rigorous Factory Auditing
Every fenestration batch undergoes water infiltration, air tightness, and balance cycle testing (cycle tested to 25,000+ operations) prior to container sealing. European clients can monitor production live via high-definition video walkthroughs or utilize our dedicated 360° VR inspection portals.