Narrow Frame Panoramic Aluminum Casement Windows with Screens
Ultra-slim sightlines maximizing panoramic views across the Bosphorus while retaining structural perimeter reinforcement.
Export Product Portfolios
Featured Architectural Window & Door Configurations
Precision-machined architectural profiles engineered with polyamide thermal barriers, high-strength cottage pane muntin bars, acoustic double/triple glazing, and multi-point perimeter compression seals calibrated for Istanbul's dynamic climates.
Residential Double Glass Low-E Glazed Sliding Windows with Mosquito Net
Smooth-gliding heavy track mechanisms engineered for residential complexes in Kadıköy and Bakırköy demanding space optimization.
Thermal Break Aluminium Awning Energy Saving Low-E Casement Windows
Polyamide thermal breaks prevent thermal bridging during cold Black Sea winters, slashing HVAC cycling by up to 34%.
ZEKIN Certified Thermal Break Aluminum Awning Big Glass Panel Swing Window
Large architectural glass panel integration providing structural stiffness against gale-force maritime wind pressures.
OUNA Storm-Resistant Triple Glaze Tilt Turn Awning Swing Windows
High-grade European tilt-and-turn gearings suited for hillside and coastal high-rises along the Marmara shoreline.
Thermally Insulated Low-E Glazed Aluminum Casement Acoustic Window
Acoustic attenuation up to 42 dB, insulating interiors from dense Istanbul urban street and highway transit noise.
Black Aluminum Glass Interior Partition Sliding Door Architectural Series
Interior cottage-pane aesthetics featuring slender black mullions for boutique hotels, penthouses, and loft renovations.
Colonial Style Low-E Hung Windows Aluminum Frame Multi-Pane Grid Series
Authentic cottage pane grid architecture with concealed counterbalances, ideal for historical restoration projects.
Localized Fenestration Engineering
Application Scenarios Across Istanbul's Diverse Urban Fabric
Istanbul presents a singular architectural juxtaposition: oceanic salinity from the Black Sea and Sea of Marmara, intense ultraviolet exposures during summer, torrential autumnal storms, and stringent preservation mandates in historic enclaves. Our cottage pane fenestration fulfills rigorous physical and aesthetic requirements.
Bosphorus Waterfront Villas & Yalı Restorations
Historical timber waterfront mansions (Yalı) throughout Bebek, Yeniköy, and Kanlıca demand traditional multi-pane visual geometry without the susceptibility to salt rot, wood warpage, and recurrent caulking failure.
- Alloy: 6063-T6 virgin architectural billet extrusion
- Surface: Qualicoat Class 2 fluorocarbon/PVDF coating (anti-saline)
- Muntins: Mechanically interlocking Georgian & Cottage astragal grids
Suburban Luxury Developments: Beykoz & Zekeriyaköy
Contemporary villa estates surrounded by northern forests encounter damp microclimates, sub-zero winter blasts, and high summer humidity. Thermal envelope efficiency is paramount to meet Turkey's TS 825 thermal regulations.
- Insulation: 24mm to 34mm multi-chambered polyamide thermal breaks
- Glazing: Low-E Argon-filled dual/triple pane glass units (Ug ≤ 1.1 W/m²K)
- Hardware: Heavy-duty friction hinges with multi-point perimeter cams
Urban Boutique Hospitality: Beyoğlu, Galata & Kadıköy
Adaptive reuse projects transforming 19th-century commercial buildings into luxury boutique hotels demand strict acoustic damping against tramways and pedestrian density while retaining classical facade harmony.
- Acoustic Spec: Asymmetric laminated glazing (6mm + 0.76PVB + 4mm)
- Noise Attenuation: Rw rating certified up to 42 dB
- Profile Styling: Classic industrial micro-bevel mullions
Market Dynamics & Structural Evolution
Emerging Fenestration Trends in Turkey's Architectural Sector
Decarbonization & TS 825 Thermal Mandates
With escalating energy costs and aggressive regulatory revisions to Turkey's Standard for Thermal Insulation Requirements in Buildings (TS 825), Turkish specifiers are systematically migrating away from uninsulated steel cottage windows and standard PVC toward high-performance thermally broken aluminum systems.
Aluminum delivers structural longevity without thermal compromise, yielding building lifecycle savings exceeding 40% across commercial and residential developments.
Seismic Damping & Dynamic Deflection Compliance
Given the North Anatolian Fault's proximity to Istanbul, earthquake resilience is an indispensable engineering checkpoint. Rigid yet brittle window systems crack under ground acceleration.
Our extrusions leverage precision structural silicone glazing (SSG) channels, ductile EPDM corner vulcanizations, and flexible anchor shoe designs that tolerate substantial building drift without glass fallout or frame binding.
The Revival of Modern Heritage Aesthetics
The contemporary Turkish luxury sector is witnessing a revival of neo-industrial and British colonial cottage pane aesthetics. High-end property buyers in Etiler, Göktürk, and Florya are rejecting plain glass sheets in favor of grid-divided architectural facades.
Our specialized astragal grids mimic traditional putty lines externally while incorporating high-efficiency single or double vacuum glazing behind the sash.
Enterprise Authority
Guangdong Dejiyoupin Doors and Windows Co., Ltd. (DERCHI)
Consistently recognized among the Top 10 premium window and door manufacturers in China, DERCHI operates an advanced 180,000 ㎡ automated production campus in Foshan, Guangdong. Backed by over 600 skilled technicians and 25+ years of specialized fenestration engineering, we provide comprehensive manufacturing, custom CAD optimization, and global logistics execution for overseas developers and trade importers.
Our systems conform to international structural building codes, holding CE, ISO9001, AS2047 (N6 cyclone rated), and UL fire-rated certifications. By maintaining complete vertical integration—from billet extrusion and precision CNC milling to computerized powder coating and cleanroom IGU assembly—we eliminate intermediary markups, ensuring exceptional cost performance and project delivery predictability for the Turkish market.
✓ 180,000 ㎡ Industrial Campus
✓ AS2047 N6 Structural Testing
✓ CE & ISO9001 Quality System
✓ Direct CIF Istanbul / Ambarlı Shipping
✓ Full CAD / BIM Project Support
Procurement Knowledge Base
Frequently Asked Questions for Turkish Buyers & Importers
Practical guidance covering customs clearance, thermal building compliance, port logistics, and bespoke customization for architectural fenestration orders entering Turkey.
Q: How do your aluminum cottage pane windows meet Turkey's TS 825 insulation standard?
Our windows feature 24mm to 34mm fiberglass-reinforced polyamide (PA66) thermal breaks paired with dual or triple-pane Low-E insulated glass units (argon filled). This lowers the total window thermal transmittance (Uw value) to between 1.1 and 1.6 W/m²K, surpassing the thermal efficiency mandates for Zone 2 (Istanbul) stipulated in the Turkish Thermal Insulation Standard TS 825.
Q: Can the frames withstand high humidity and marine salt corrosion along the Bosphorus?
Yes. All aluminum profiles undergo chemical pre-treatment and receive Qualicoat-certified architectural powder coatings or PVDF fluorocarbon coatings exceeding 60-80 microns in dry film thickness. We strictly use 304/316 marine-grade stainless steel hinges, fasteners, and multi-point locksets alongside automotive-grade EPDM weatherstripping that prevents salt vapor ingress and blistering.
Q: What are the delivery times and target ports for container shipments to Istanbul?
Production lead time averages 20-30 business days following shop drawing sign-off. We arrange direct sea freight to Istanbul's key container gateways, including Port of Ambarlı (Kumport/Marport) on the European side and Port of Haydarpaşa/Evyap on the Asian side. Total transit duration from Shenzhen/Nansha to Istanbul typically spans 26 to 32 days.
Q: Do you provide true divided lites (TDL) or simulated divided lites (SDL) for cottage grids?
We supply both configurations. For maximum thermal and structural integrity, we typically engineer Simulated Divided Lites (SDL) with external and internal architectural aluminum astragal bars mechanically interlocked and color-matched, accompanied by internal aluminum spacer bars inside the insulated glass. We can also manufacture True Divided Lites (TDL) upon structural review.
Q: Can you assist Turkish contractors with custom opening sizes and shop drawings?
Yes. Every unit is custom-engineered to measure. Our in-house engineering team converts rough opening schedules and architectural elevations into comprehensive 2D CAD and 3D BIM fabrication drawings within 48 hours. Production commences only upon formal contractor sign-off, ensuring error-free installation on-site.
Q: What certifications are provided to facilitate Turkish Customs clearance (TSE / ATR)?
We provide comprehensive export documentation including CE Declarations of Performance (DoP), ISO9001 quality certificates, AS2047 test records, certified factory invoices, and packing lists. We work with your customs broker (Gümrük Müşaviri) to provide necessary compliance records aligning with national import inspection requirements.
Engineer Your Architectural Vision with DERCHI
Connect with our senior technical engineering team for complete product catalogs, CAD cross-section profiles, thermal performance data, and direct factory container pricing for your upcoming Istanbul villa or commercial project.
