Waterproof Core
Moisture-Proof MGO Hidden Invisible Door
Seamless coplanar aluminum jamb profile with inorganic MGO moisture-proof core slab. Eliminates warp in damp tropical washrooms.
Precision Fenestration Portfolio
Engineered Fenestration Systems for Humid Architectural Zones
Each fenestration system below is fabricated from virgin 6063-T5/T6 marine-grade extruded aluminium billets. Configured with dual EPDM vapor barrier gaskets, acoustic damping chambers, and corrosion-inhibiting multi-point mechanisms specifically designed for Southeast Asian luxury residences and commercial developments.
AS2047 Certified
Double Glazed AS2047 Aluminium Windows
Acoustically isolated awning and casement configurations designed for privacy, heat rejection, and continuous air venting.
Security & Fire Protection
Galvanized Steel Soundproof Entry Doors
Thermal-barrier steel reinforcement with automated multi-point interlocking deadbolts for high-traffic villa entrances.
Max Airflow
Aluminum Bifold Soundproof Window System
Full 95% aperture opening clearance ideal for luxury spa washrooms and tropical resort airflow transitions.
Monsoon Resistant
Hurricane Impact Resistant Sliding Window
Reinforced structural mullions with pressure-equalized weep holes preventing driving rain ingress during tropical monsoons.
Ultra-Slim Line
Slim Stacking Commercial Sliding System
Interlocking architectural profiles with recessed track drainage, delivering unobstructed sightlines and weather barrier integrity.
Interior Ventilation
Narrow Stile Sliding Partition System
Minimalist sightlines engineered for master bathroom dry/wet zonings, private steam enclosures, and dressing suites.
Sanitary Specialist
Modern Moisture-Proof Privacy Glass Door
Fluorocarbon powder coated extruded frame fitted with obscure reed or frosted laminated glass for hygienic privacy isolation.
180,000㎡
Integrated Production Base
600+
Master Craftsmen & Technicians
100+
Global Patents & Certifications
1500+
Export Containers Delivered
Microclimate & Urban Adaptations
Architectural Application Scenarios Across the Indonesian Archipelago
Indonesia presents one of the world's most aggressive atmospheric operational environments for fenestration hardware. Constant 75%–95% relative humidity, high ambient salt spray in coastal archipelagos, severe tropical monsoons, and high urban noise necessitate specialized bathroom ventilation engineering.
Jakarta Luxury High-Rise Condos
Super-tall residential developments in SCBD and Kuningan require positive-seal awning vents capable of withstanding 2400 Pa wind-load pressures while preventing acoustic bleed from urban traffic corridors into master sanctuaries.
Bali & Lombok Coastal Villas
Unsheltered marine atmospheres in Uluwatu, Canggu, and Seminyak demand Qualicoat Class 3 fluorocarbon (PVDF) powder finishes and SS316 multi-point latches to resist salt-mist pitting and chalking over 20+ years.
Surabaya Commercial & Hospitality
Industrial pollutants paired with high ambient temperatures require thermally isolated sash profiles with insulated glass units (IGU) to prevent condensation sweating and mold colonies forming on bathroom ceiling lines.
IKN Nusantara Smart Eco-Cities
Indonesia's new green capital demands energy-efficient fenestration achieving strict low-SHGC thresholds, recycled alloy billet provenance, and automated passive thermal ventilation flues to reduce HVAC electricity loads.
Technical Verification
Comparative Specification Standards for Tropical Washrooms
Standard residential windows purchased from generic distributors routinely fail within 18 months due to hardware oxidation, warped vinyl profiles, and degraded neoprene gaskets. Review our industrial benchmark ratings.
| Performance Parameter | Generic Domestic Market Supply | DERCHI Engineered Tropical Standard | Engineering Benefit to Developer |
|---|---|---|---|
| Aluminium Alloy Purity | Recycled / Scrapped Billets (6063-T4) | Primary Virgin 6063-T5 / T6 Architectural Grade | Tensile yield >160 MPa; eliminates structural sagging under gust loads. |
| Surface Anodizing / Coating | Standard Electrostatic 40µm Paint | Qualicoat PVDF >60µm or Marine Anodized 25µm | Tested to 3,000 hrs ASTM B117 salt spray without blistering or delamination. |
| Water Ingress Tightness | Single Fin Rubber Strip (150 Pa) | Dual Continuous EPDM Vulcanized Gaskets (700 Pa) | Complete resistance to monsoon driving rain; zero wall staining. |
| Hinge & Fastener Hardware | Zinc Alloy / SS201 Fasteners | SUS304 / Marine Grade SUS316 Heavy Duty Hinges | Guaranteed zero oxidation, seizing, or hinge dropping in 95% humidity. |
| Acoustic Decibel Cutoff | Single Float Glass 5mm (Rw ~22 dB) | Double Laminated Acoustic PVB 6+1.14+6mm (Rw 38 dB) | Preserves acoustic privacy in luxury hotel suites and high-density estates. |
Market Trajectory
Key Architectural Trends Transforming the Indonesian Fenestration Market
Indonesia's premium property sector is moving through a structural transformation driven by urbanization, sustainability benchmarks, and modern architectural aesthetics.
Ultra-Narrow Bezel & Flush Invisible Sash
Indonesian interior architects favor ultra-minimal 28mm–35mm visible sightline frames. Concealed hinges and flush-wall integration maximize optical space in compact urban powder rooms while highlighting natural marble and raw slate claddings.
Moisture-Resistant Smart Glazing Systems
Integrating PDLC switchable privacy smart glass directly within thermally isolated aluminum casement vents allows instant transitions from transparent daylighting to opaque privacy, replacing dust-collecting fabric or timber blinds.
Passive Stack Ventilation & Louvre Integration
High electricity tariffs encourage architects to implement stack-effect airflow louvres. Weather-baffled extruded louvre systems permit 24/7 continuous ambient ventilation without compromising rain protection or building perimeter security.
Top 10 Fenestration Brand in China
Precision Manufacturing Powerhouse
Guangdong Dejiyoupin Doors and Windows Co., Ltd.
Operating under our globally recognized brand DERCHI, our high-tech 180,000 ㎡ manufacturing center in Foshan, Guangdong, represents over 25 years of specialized door and window engineering. We provide integrated structural solutions for residential estates, five-star resorts, and high-rise commercial facades.
From initial structural CAD shop drawings and wind-load calculations to high-precision CNC multi-angle profile machining, robotic corner assembly, and multi-stage QC, we guarantee dimensional accuracy down to 0.5 mm tolerances across large production runs.
AS2047 N6 Wind Tested
ISO9001 Quality Management
CE Certified
UL Fire Rated Profiles
Port Tanjung Priok Direct Shipping
Procurement Intelligence
Frequently Asked Questions by Indonesian Contractors & Importers
Clear, transparent answers addressing customs clearance, SNI standards, freight logistics to Jakarta/Surabaya, and tropical engineering specs.
How do you ship to Indonesian ports like Tanjung Priok (Jakarta) or Tanjung Perak (Surabaya)?
We regularly ship Full Container Loads (20GP, 40HQ) directly from Nansha or Shenzhen to major Indonesian ports including Tanjung Priok (Jakarta), Tanjung Perak (Surabaya), and Belawan (Medan). Typical ocean transit time is only 7 to 10 days. Each window unit is protected with protective wrap, corner guards, honeycomb buffer plates, and non-fumigation plywood crates designed for sea container stacking.
Can your factory support Indonesian import licensing (Form E, L/C, and SNI documentation)?
Yes. We supply comprehensive export documentation including China-ASEAN Free Trade Agreement Form E (Certificate of Origin), which grants Indonesian importers zero or preferential import tariff rates under HS Code Chapter 76. We assist your clearance forwarders with mill test reports, commercial invoices, and packing lists to ensure smooth Indonesian customs inspection.
Why should developers specify aluminium instead of uPVC for Indonesian bathroom windows?
Under Indonesia's equatorial UV index (frequently reaching UV 11+) and high ambient temperatures, uPVC frames suffer from plasticizer evaporation, leading to yellowing, embrittlement, and structural warping that breaks weather seals within 3–5 years. Our thermally isolated 6063-T5 aluminum systems with fluorocarbon coatings retain structural rigidity, dimensional stability, and color fastness for over 30 years.
How do your bathroom ventilation windows prevent rain ingress during severe Indonesian monsoons?
Our bathroom awning and louvre windows incorporate stepped profile frames with pressure-equalized internal chambers and hidden weep-hole one-way drainage valves. Even during 120 km/h squalls and driving downpours, water drains outward while exterior air pressure is equalized, preventing capillary back-siphonage into interior washroom spaces.
Can you manufacture custom dimensions and provide CAD shop drawings for hotel projects?
Every window system is custom engineered to your architectural drawings. Our 30-member engineering department drafts free structural 2D/3D CAD shop drawings, glass stress calculations, and structural anchor schedules for developer and consultant approval before profile cutting begins.
What is your typical production lead time and sample policy for Indonesian developers?
Standard production lead time is 25 to 30 working days from drawing sign-off and deposit receipt. We provide rapid corner cut samples, surface finish color swatches, and full-scale 1:1 window mockups shipped via DHL/FedEx directly to your design studio or site office in Indonesia.
Partner with China's Premier Fenestration Engineering Factory
Submit your architectural drawings, tender schedules, or bill of quantities (BOQ). Our engineering department will deliver detailed CAD shop drawings, structural wind-load verifications, and competitive factory-direct CIF quotes within 24 hours.
