Acoustic & Shear Proof
Hurricane Impact Soundproof Double Glazed Sliding Window
Reinforced structural profiles designed with dual EPDM weather barriers and acoustic laminated IGU to attenuate Jakarta's arterial traffic noise.
Export-Grade Architectural Catalogue
High-Performance Fenestration Systems Engineered for Southeast Asian Climates
Engineered to mitigate intense monsoon shear, urban smog, and thermal conductance. All structural aluminium profiles, vertical double-hung mechanisms, and multi-track sliding suites undergo rigorous lifecycle and pressure testing.
Security & Pest Barrier
Custom Anti-Mosquito Diamond Mesh Security Door
Marine-grade 304/316 stainless wire mesh anchored inside high-tensile aluminium profiles for multi-point anti-burglary defense and ventilation.
AS2047 Certified
AS2047 Certified Multi-Panel Aluminium Sliding Door
Engineered to AS2047 standards for tropical coastal zones, delivering heavy-duty cycling stability and extreme water deflection across expansive openings.
Minimalist Profile
Modern Aluminium Clear Glazed Casement System
Precision-extruded frames designed for high-end luxury high-rises, boutique hospitality, and exterior terrace partitions across Jabodetabek.
STC Sound Absorption
Acoustic Anti-Theft Interior Aluminium Door
Eco-friendly high-density insulated honeycomb core providing maximum thermal damping, moisture warping defense, and structural security.
Heavy-Duty Security
Heavy-Duty Windload Sectional Garage Door System
Engineered with automated torsion springs, interlocked anti-pinch joint hinges, and multi-point deadlocks for elite residential estates.
European Aesthetics
French Style Architectural Aluminium Casement Suite
Combines classical colonnade sightlines with high-spec thermal efficiency, fiberglass mesh integration, and industrial-grade corrosion proofing.
Commercial Facade
Commercial Structural Glazed Storefront System
Engineered for high-traffic retail plinths, enterprise lobbies, and civic mixed-use towers with concealed overhead transoms and heavy-duty pivots.
Engineering Whitepaper • Jabodetabek Focus
Architectural Deployment Scenarios Across Jakarta's Micro-Climates
From the high-density humidity and coastal saline atmosphere of North Jakarta (Pluit, Pantai Indah Kapuk) to upscale high-rise residential towers in South Jakarta (Senopati, SCBD, Pondok Indah), fenestration systems require precise localized engineering.
High-Rise Condominiums & Vertical Mixed-Use
Towers along Jalan Sudirman and Rasuna Said encounter severe convective wind shear during tropical storm cycles. Our vertical sliding systems integrate dual-balance torsion springs and reinforced interlocks rated above 3000 Pa design wind pressure, eliminating sash vibration and whistling.
• Up to 42 dB Acoustic STC RatingCoastal Luxury Villas in PIK & Ancol
Marine environments along the Jakarta Bay confront elevated airborne salinity, accelerating galvanostatic profile pitting. We apply architectural Qualicoat Class 2 fluoropolymer and anodized surface coats (>25 microns) to prevent oxidation, bubbling, and thermal seal degradation.
• 3,000+ Hr Neutral Salt Spray TestedColonial Revivals & Historic Menteng Estates
Traditional sash windows in luxury colonial estates suffer from rot, insect infestation, and stuck timber sashes. Our aluminium vertical sliding solutions preserve narrow sightlines and authentic proportions while providing effortless counterbalance mechanisms and multi-chamber thermal breaks.
• Minimal Sightline Heritage Profiles| Performance Parameter | Standard Market Sash Windows | DERCHI High-Spec Engineering (Export System) | Jakarta Site Benefit |
|---|---|---|---|
| Aluminium Alloy Standard | Recycled commercial billets (6063-T4) | Virgin 6063-T6 / 6005-T5 architectural extrusion | Prevents sash sag under intense dead loads & gust pressures |
| Water Tightness Under Rain | 150 Pa – 250 Pa (Frequent leakage during monsoons) | 450 Pa – 600 Pa with stepped internal weep drainage | Guarantees zero internal pooling during flash tropical rainstorms |
| Acoustic Performance (STC) | STC 24 dB – 28 dB (Single glazing) | STC 38 dB – 44 dB (Double/Laminated Low-E IGU) | Isolates interior spaces from motorbike traffic and ambient urban hum |
| Counterbalance Hardware | Spiral spring or frictional slides (High wear) | Precision block-and-tackle & heavy-duty constant force | Ensures smooth vertical glide with zero maintenance for 50,000+ cycles |
Market Intelligence • Urban Architecture
Emerging Fenestration Trends in Indonesia’s Capital Region
The transformation of Jakarta under Indonesian Green Building Regulations (Pergub DKI No. 38/2012) and EDGE Green Building standards is forcing architects and specifiers to rethink window specifications.
Decarbonization & Low-SHGC Glazing
With electricity tariffs escalating and strict envelope thermal transfer (OTTV) thresholds applied to high-rises, specifiers are phasing out single-pane windows in favor of thermally broken vertical sliders with argon-filled, double-silver Low-E units that lower internal air-conditioning loads by up to 34%.
Smart Natural Ventilation Aerodynamics
Vertical sliding windows offer top-and-bottom ventilation control based on the stack effect (warm air discharges through the top sash while cool exterior air is drawn through the bottom opening). This airflow dynamic reduces mechanical AC operating hours in humid tropical environments.
Integrated High-Tensile Security Screening
Developers increasingly demand integrated architectural mesh that provides anti-intruder resistance without the unsightly appearance of prison-like iron bars (teralis). Our diamond mesh vertical assemblies provide both burglar defense and insect barrier protection in a unified profile.
Enterprise Manufacturing Scale
Direct Factory Procurement for Southeast Asian Contractors
Operating from Foshan, Guangdong—the world’s foremost epicentre of architectural aluminium manufacturing—Guangdong Dejiyoupin Doors and Windows Co., Ltd. (DERCHI) represents China’s elite engineering benchmark. We provide Indonesian project developers with transparent supply chains and comprehensive compliance certifications.
180,000㎡ Production Footprint & CNC Milling
Equipped with computerized German double-head cutting saws, automated four-corner crimpers, and clean-room insulated glazing lines capable of fabricating 300,000+ sqm annually.
AS2047, CE, ISO 9001 & UL Fire Certifications
Validated by NATA accredited testing laboratories for ultimate wind pressure, air infiltration, water penetration resistance, and continuous mechanical endurance.
Dedicated International Engineering Support
In-house structural facade engineers deliver complete shop drawings, BIM models, and thermal calculation reports tailored to local SNI (Standar Nasional Indonesia) requirements.
Procurement Clarity
Frequently Asked Questions by Indonesian Specifiers & Buyers
Direct technical answers addressing customs, logistical execution, tropical performance standards, and on-site hardware longevity.
How do DERCHI vertical sliding windows resist extreme tropical storms and monsoons in Jakarta?
Our systems utilize heavy-wall virgin 6063-T6 architectural aluminium extrusions paired with high-performance vulcanized EPDM continuous gaskets. The sash rails integrate multi-chamber pressure equalization barriers and stepped subterranean drainage weeps with internal flap valves. Even under sustained 500 Pa horizontal rainfall pressure, ambient air pressure balances within the internal chambers, routing water outdoors without backflow or sill overflow.
What shipping, customs clearance, and logistical support do you provide for delivery to Tanjung Priok Port?
We provide full FOB, CIF, or DDP shipping terms directly from our Foshan facility to Pelabuhan Tanjung Priok (Jakarta). Every window unit is wrapped with protective PE film, corners are shielded with shock-resistant guards, and all frames are packed inside non-fumigation plywood crates built for rough ocean handling. We supply complete export documentation, including Certificate of Origin (Form E for duty reductions under ASEAN-China FTA), packing lists, commercial invoices, and bill of lading.
Can your vertical sliding profiles match local SNI or international acoustic requirements for noise near major flyovers?
Yes. For developments adjacent to noisy corridors such as Jalan Gatot Subroto or Tol Lingkar Luar Jakarta (JORR), we engineer our vertical sliding systems with asymmetric acoustic insulated glazing units (such as 6mm + 12Ar + 5mm + 0.76PVB + 5mm laminated soundproof glass). Combined with our multi-point perimeter interlock seals, our assemblies achieve tested acoustic ratings of up to STC 42 dB, reducing ambient urban background noise down to whisper levels (under 35 dBA).
How does the counter-balance mechanism endure high humidity without seizing or rusting?
Conventional low-grade sash balances depend on mild steel springs that corrode and bind within months in Southeast Asia’s 80%+ relative humidity. DERCHI incorporates sealed constant-force balance mechanisms manufactured from cold-rolled 301/304 austenitic stainless steel, enclosed in self-lubricating engineering-polymer cartridges. Tested beyond 50,000 smooth vertical travel cycles, our balances maintain finger-touch movement without grease, recalibration, or mechanical seizing.
What are the minimum order quantities (MOQ) and production lead times for custom villa or commercial batches?
Because we are a flexible enterprise manufacturer with our own die-extrusion and machining workshops, we do not impose restrictive container-level MOQs. We can support bespoke residential projects starting from as low as 20 square meters, as well as multi-thousand square meter commercial developments. Typical fabrication lead time is 20 to 30 days after shop drawing sign-off and color-sample confirmation, with sea transit from Nansha/Chiwan port to Tanjung Priok requiring only 7 to 10 days.
Partner with China’s Leading Factory Direct Supplier
Request a Complete Project Drawing Review & Wholesale Quotation
Send our senior engineering team your project elevations, door schedules, or structural window sizes. We will provide detailed structural CAD proposals, wind load calculations, and competitive pricing within 24 hours.
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