Precision Engineering
Engineered Tilt & Turn Fenestration Systems
Direct-from-factory architectural systems incorporating multi-point compression locks, polyamide thermal breaks, and marine-grade surface finishes designed for residential and commercial landmarks across Jakarta.
Local Architecture Integration
Architectural Applications Across Greater Jakarta (Jabodetabek)
Jakarta’s distinct microclimates—from the salt air along Jakarta Bay to the urban density of Sudirman-Thamrin and the torrential squalls of South Jakarta—demand tailored fenestration physics.
High-Rise Residential & Mixed-Use (SCBD & Kuningan)
At heights above 30 floors in Jakarta’s financial hub, negative wind load pressure during the West Monsoon (Musim Barat) can exceed 2400 Pa. Our multi-point perimeter gear hardware actively pulls the sash into continuous EPDM gasket lines, eliminating draft whistles and moisture leakage while mitigating severe arterial traffic noise from Jalan Gatot Subroto.
Waterfront & Coastal Luxury Estates (PIK 1 & 2, Ancol)
Properties in Pantai Indah Kapuk (PIK) encounter intense airborne chloride ions coupled with persistent UV irradiance. Standard anodized frames degrade rapidly under these conditions. We engineer profiles with minimum 60-micron Qualicoat Class 2 powder coats or PVDF fluorocarbon barriers paired with 316-grade stainless hardware to stop coastal galvanic oxidation.
High-End Low-Density Villas (Pondok Indah & Menteng)
In prestigious enclaves, private villas prioritize secure draft-free night ventilation without compromising boundary security. The top-tilt position (tilting inward 10–15 degrees) facilitates hot indoor air dissipation under high ceilings while keeping out tropical rain showers and resisting unauthorized perimeter ingress.
| Performance Vector | Typical Sliding Windows in Indonesia | DERCHI Engineered Tilt & Turn Systems | Jakarta Climate Relevance |
|---|---|---|---|
| Water Tightness | 150 - 250 Pa (Leakage prone at sills) | 600 - 900 Pa (Class E900 Certified) | Resists torrential monsoons without water ingress along bottom tracks. |
| Acoustic Attenuation | Rw 22 - 26 dB (Felt pile brush seals leak) | Rw 38 - 45 dB (Multi-point compression) | Critical for shielding against motorcycle exhaust and 24/7 city noise. |
| Thermal Insulation | U-value ~5.8 W/m²K (Conductive frame) | U-value 1.4 - 1.8 W/m²K (PA66 Thermal Break) | Dramatically trims HVAC energy consumption under 34°C tropical heat. |
| Security Resistance | Single crescent latch (Vulnerable to prying) | Multi-point mushroom cam lock perimeter | Integrated perimeter security for peace of mind in high-density suburbs. |
Market Evolution
Architectural Trends Reshaping Jakarta's Window Industry
As Indonesia implements stricter green building regulations (Greenship / Pergub DKI Jakarta No. 38/2012), developer demands are moving decisively away from obsolete uninsulated profiles.
Mandatory OTTV Compliance & Energy Codes
The Jakarta Building Inspection Agency (PUPR) strictly regulates the Overall Thermal Transfer Value (OTTV ≤ 35 W/m²). Large glass facades can no longer use monolithic clear float glass or uninsulated aluminum. Thermally broken aluminum profiles coupled with double-glazed Low-E units are now the standard specification for obtaining commercial building permits (PBG).
Micro-Living Ventilation in Dense Urban Centers
With transit-oriented developments (TOD) expanding along the MRT and LRT corridors from Lebak Bulus to Dukuh Atas, living units require natural ventilation that does not admit sudden tropical storms. Tilt-turn mechanics allow angled upper venting during sudden squalls without letting rain splash onto wood floors or furniture.
Acoustic Shielding from Traffic & Urban Density
Jakarta ranks among Southeast Asia's densest traffic corridors. Homeowners and boutique hotel developers are replacing traditional jalousie (naco) and sliding windows with compression-sealed tilt-turn assemblies capable of cutting interior ambient noise levels below 35 dB, fostering deep rest and acoustic privacy.
Enterprise Capability
Guangdong Dejiyoupin: Industrial-Scale Excellence
Recognized among China’s premier door and window manufacturers, our vertically integrated 180,000 m² smart production base in Foshan eliminates middlemen margins to deliver certified quality direct to your job site.
Verified Certifications
Tested and certified to stringent global standards: CE (Europe), AS 2047 N6 (Cyclone wind resistance), ISO 9001, and UL fire performance ratings with verifiable test documentation.
30+ Proprietary Patents
Our in-house R&D facility holds over 30 engineering and aesthetic design patents, including integrated weep-hole drainage and anti-derailment tilt corner locks.
Free CAD & BIM Services
Our dedicated engineering team translates your architectural floor plans into detailed shop drawings and wind-load calculations at zero cost prior to fabrication.
Tanjung Priok Direct Freight
Comprehensive export packing featuring protective film, corner buffers, and fumigated steel-reinforced wooden crates routed directly from Foshan to Port of Tanjung Priok, Jakarta.
25+
Years of Manufacturing
180,000m²
Production Campus
600+
Skilled Technicians
100+
Certificates & Patents
Procurement Clarity
Frequently Asked Questions by Indonesian Buyers
Direct answers covering import documentation (Form E), SNI standards, sea freight handling to Tanjung Priok, and on-site assembly across Jabodetabek.
Can you provide Form E (ASEAN-China Free Trade Agreement) for Indonesian Customs clearance?
Yes. As a registered Chinese manufacturer, we regularly provide preferential Certificates of Origin (Form E) through the China Council for the Promotion of International Trade (CCPIT). When presented to the Directorate General of Customs and Excise (Bea Cukai) at Tanjung Priok, this certificate reduces your import duty (Bea Masuk) under HS Code 7610.10 from standard rates down to 0%, leaving you only responsible for Indonesian Value Added Tax (PPN) and Article 22 Income Tax (PPh 22).
How do your aluminium alloy profiles align with Indonesian SNI and building codes?
Our aluminium systems are extruded using prime 6063-T5/T6 architectural-grade billets with nominal wall thicknesses of 1.6 mm to 2.2 mm. This easily meets and exceeds both SNI 07-0603-1989 standards and strict European CE / AS 2047 benchmarks. For major commercial developments requiring local laboratory certification, we provide third-party mill test certificates (MTC) and can coordinate testing with accredited Indonesian testing agencies.
Can tilt-and-turn windows handle torrential downpours during Jakarta's wet season without leaking?
Unlike sliding windows that rely on brush seals sitting inside water-accumulating track gutters, tilt-and-turn windows utilize continuous closed-cell EPDM perimeter gaskets compressed tight against the frame by steel locking pins. In addition, our systems incorporate an internal concealed cascade drainage channel with one-way weep valves, engineered to handle tropical cloudbursts up to 100 mm/hour under heavy wind pressure.
What is your production lead time, and what is the transit duration to Port of Tanjung Priok?
Standard custom production requires 25 to 35 business days following final approval of your shop drawings and powder coat color samples. Direct ocean freight from Shenzhen or Nansha port to Jakarta’s Tanjung Priok port takes approximately 7 to 10 days on direct shipping lines. Full container loads (20GP or 40HQ) move seamlessly door-to-door or port-to-port, while LCL shipments are secured in heavy fumigated plywood crates.
How do we manage site measurements, opening prep, and final installation in Indonesia?
We provide comprehensive architectural CAD rough-opening guides before wall plastering begins. Once on site, windows arrive fully assembled, pre-hung, and calibrated inside their sub-frames, complete with labeled hardware kits and multilingual installation documentation. For high-end villa or commercial developments, our English-speaking technical engineers offer real-time video guidance and can provide on-site supervisory services for local contractor teams.
Can we integrate integrated motorized Venetian blinds or acoustic laminated glass?
Absolutely. Over 60% of our orders for Jakarta incorporate built-in magnetic or motorized aluminum louvers hermetically sealed within the 27 mm argon gas cavity. This prevents dust and tropical humidity buildup while delivering smooth thermal shading. We also customize glass assemblies with combinations such as 6mm Low-E + 12A + 6mm Clear, or 5mm + 1.14PVB + 5mm laminated safety configurations for high acoustic damping along busy thoroughfares.