Retro French Slim
Factory Catalog Showcase
Featured Industrial Slimline & Crittall-Profile Assemblies
Direct from Guangdong Dejiyoupin Doors and Windows Co., Ltd. (DERCHI). Our 8 flagship slimline grid systems integrate thermal-break precision extrusions, aviation-grade 6063-T6 aluminum alloys, and high-performance safety glazing engineered specifically for Malaysian residential estates, commercial hubs, and luxury developments.
Grand Double Entry
Patio Sliding French
Commercial Security
Luxury Villa Swing
Acoustic Double Glaze
Full Vista Bi-Fold
Acoustic Soundproof
Engineering Whitepaper
Engineering Aluminum Crittall Systems for Malaysia's Tropical Microclimates
While the iconic British Crittall aesthetic traces back to 1884 rolled steel framing, deploying ferrous steel fenestration in Peninsular and East Malaysia often yields premature oxidation, thermal bridging, and structural warping. Guangdong Dejiyoupin Doors and Windows Co., Ltd. re-engineers this timeless heritage visual with structural aluminum alloys (6063-T6 / 6061-T5) precision-matched to tropical architectural physics.
Corrosion & Salinity Defence
Peninsular Malaysia’s coastal zones (Penang, Port Klang, Johor Bahru) suffer relentless maritime humidity exceeding 85% RH. Our factory applies Qualicoat Class 2 architectural powder coatings and 25-micron architectural anodization, resisting 3,000+ hours of continuous neutral salt spray tests (ASTM B117) without micro-fissuring or chalking.
Thermal Transmittance & MS 1525
Traditional single-glazed steel frames turn into thermal conductors under equatorial sun, driving up air-conditioning loads. DERCHI implements polyamide thermal-break barriers (PA66 GF25) coupled with double-glazed Low-E argon assemblies, reducing Overall Thermal Transfer Value (OTTV) in compliance with Malaysia's Green Building Index (GBI) and MS 1525 standards.
Acoustic Shielding in Urban Hubs
Properties adjacent to the SMART Highway, LDP, or LRT transit lines experience ambient sound pressures of 75–85 dBA. Our Crittall doors incorporate multi-chamber acoustic framing, continuous vulcanized EPDM compression seals, and asymmetric acoustic laminated glazing (e.g., 6mm + 0.76mm PVB + 5mm), lowering interior sound levels to a tranquil 32 dBA.
| Performance Specification | Traditional Cold-Rolled Steel Crittall | Local Malaysian Unbranded Aluminum Fabricators | DERCHI Factory-Direct Tropical Crittall Systems |
|---|---|---|---|
| Profile Material & Temper | Solid hot-rolled steel bar | Recycled aluminum or mixed scrap extrusions | Primary Virgin 6063-T6 Aviation-Grade Aluminum Alloy |
| Corrosion Resistance (Penang / JB Coast) | High vulnerability; requires frequent rust conversion | Standard mill finish or commercial 10μm powder coat | AkzoNobel / PPG Fluorocarbon (PVDF) or Qualicoat Class 2 (25μm+) |
| Sightline Width (Mullions & Transoms) | 19mm – 25mm (Narrow) | 45mm – 65mm (Bulky, lacks true Crittall elegance) | 20mm – 28mm (Ultra-Slim True Architectural Heritage Line) |
| U-Value (Thermal Performance) | 5.8 W/m²K (Excessive heat ingress) | 3.8 – 4.5 W/m²K (Moderate heat conduction) | 1.6 – 2.1 W/m²K (Polyamide PA66 Thermal Break + Argon Low-E) |
| Monsoon Water Tightness (Pa) | 150 – 300 Pa (Prone to corner seepage) | 250 – 400 Pa (Basic felt seals, degradable) | 700+ Pa (Continuous EPDM Co-extruded Gaskets + Weep Check-Valves) |
| Acoustic Attenuation (STC) | STC 24 – 28 dB (Single pane) | STC 26 – 30 dB (Standard 6mm float) | STC 38 – 44 dB (Double/Laminated Acoustic PVB Assemblies) |
180,000㎡
State-of-the-Art Factory Base
25+
Years Engineering Expertise
100+
Global Patents & Certifications
N6 Level
Highest AS2047 Windload Certified
Architectural Typologies
Localized Application Scenarios in Peninsular & East Malaysia
From modern high-density penthouses in Kuala Lumpur City Centre to colonial heritage shophouse conservation in George Town, DERCHI customizes profile depths, mounting sub-frames, and drainage thresholds to meet Malaysia's distinctive building layouts.
Landed Luxury Bungalows
Mont Kiara, Damansara & Kenny Hills
Large-format pivot doors and multi-slide Crittall partitions bridging dry-and-wet kitchen transitions, internal indoor swimming courtyards, and home cinema rooms requiring zero floor obstruction and whisper-silent glides.
High-Rise Condominiums
KLCC & Bangsar South Penthouses
Balcony and lanai acoustic barriers capable of withstanding extreme cyclic wind gusts at 40+ stories. Our concealed multipoint locking protects structural integrity while maintaining the minimalist black-grid profile.
Boutique F&B & Retail
Chinatown & Petaling Street Revitalizations
Artisanal cafes, cocktail speakeasies, and designer boutiques in repurposed heritage pre-war premises. Slimline industrial profiles deliver vintage authenticity without the deadweight and rust of salvage ironwork.
Grade-A Corporate Spaces
TRX & Cyberjaya Tech Campuses
Executive boardroom acoustic demising walls, collaborative pods, and CEO suite entrances combining fluted (moro) glass strips with black anodized grids to achieve privacy without impeding luminous interior natural daylight.
Market Intelligence
Evolving Architectural Trends Shaping the Malaysian Market
Malaysian architectural firms (PAM members) and interior consultants are transforming spatial layouts through three dominant fenestration evolutions.
1. The Biophilic "Lanai" Resurgence
Post-pandemic Malaysian homeowners increasingly reject isolated living spaces. The British colonial "lanai" concept has returned, utilizing multifolding Crittall assemblies that fold back 90% into pocket walls. This permits cross-ventilation during monsoon breezes while sealing airtight when central air-conditioning is engaged.
2. Fluted, Reeded & Low-Iron Glazing
Rather than standard clear float glass, high-end projects in Bangsar and Penang now specify reeded (fluted) decorative safety glass integrated into horizontal Crittall grids. This diffracts sunlight, obscures views into utility or master suites, and evokes a mid-century modernist aesthetic highly favored in luxury interior styling.
3. Smart Home & Biometric Integration
Demand for keyless architectural swing doors has surged across gated communities in Iskandar Puteri and Tropicana. DERCHI profiles are CNC-milled to seamlessly embed hidden motorized drop-bolts, 3D face recognition handles, and concealed electromagnetic strikes that hook directly into Tuya or Control4 smart automation hubs.
Architectural Q&A
Frequently Asked Questions by Malaysian Builders & Specifiers
Essential technical guidance covering shipping logistics, Malaysian building codes, coastal weathering, and site installation protocols.
Why choose high-gauge aluminum Crittall doors over genuine mild steel in Malaysia?
While authentic British mild steel is structurally robust in temperate climates, Malaysia's year-round ambient temperatures (28°C–34°C) paired with 80% to 95% relative humidity accelerate electrochemical oxidation (rusting) inside hollow steel sections. Furthermore, solid steel creates severe thermal bridges, resulting in dew-point condensation that ruins timber flooring and promotes mold growth under indoor air-conditioning. Our 6063-T6 aluminum profiles are completely rust-proof, weigh 60% less to relieve structural lintel loads, integrate polyamide thermal breaks, and maintain razor-sharp sightlines identical to classic steel frames.
How does DERCHI ship products to Malaysia, and what is the transit timeline?
We ship direct full-container loads (FCL) or consolidated less-than-container loads (LCL) from Foshan / Guangzhou / Shenzhen ports directly to Port Klang (Selangor) or Butterworth (Penang). Ocean transit typically takes 5 to 7 days. Production lead times for custom bespoke shop-drawing orders range from 20 to 28 working days. Every panel is protected with peel-away protective film, foam edge buffers, vacuum plastic wraps, and crated in fully enclosed, IPPC fumigation-free engineered plywood export cases.
Do your glass assemblies conform to Malaysian Safety Glazing Standards (MS 1490)?
Yes. All DERCHI Crittall doors utilize certified Grade-A safety glazing tested in accordance with MS 1490 / AS1288 / EN12150 standards. For floor-to-ceiling doors and swing casements, we configure 8mm to 10mm monolithic tempered glass, or double-glazed 5mm+9A/12A+5mm tempered units. In high-traffic public installations or terrace balustrade interfaces, we supply PVB or SentryGlas (SGP) laminated glass to ensure zero projectile hazard in the rare event of mechanical impact breakage.
Can you integrate magnetic insect screens (mosquito mesh) without ruining the slimline look?
Given Malaysia's tropical dengue concerns, insect screening is frequently requested. We have engineered custom sub-frame solutions featuring ultra-fine black stainless steel mesh (304-grade) or pleated retractable invisible screens that nest cleanly inside an integrated secondary track. When retracted, the screen cassette is completely obscured behind the outer Crittall perimeter profile, preserving the sleek architectural sightlines.
How do your tracks manage flash floods and torrential tropical monsoon downpours?
Our exterior-rated sliding and bi-fold Crittall systems feature a high-performance stepped sub-sill with integrated internal directional baffle valves (weep hole covers). Under heavy monsoonal rain and high positive wind pressure (up to 700 Pa), water that hits the glass drops into an internal drainage trough and discharges outward via gravity flappers, preventing back-siphoning and internal sill overflows into living quarters.
Can our local Malaysian contractor install your factory systems easily?
Yes. Every order is pre-assembled, CNC miter-checked, and dry-fitted in our factory prior to crating. We supply comprehensive bilingual (English/Chinese) technical shop drawings, bolt-hole mapping diagrams, anchor fastener schedules, and instructional video guides. Our engineering team also provides real-time WhatsApp or Zoom remote technical support directly to your site project engineer during the initial frame mounting and hardware calibration phases.
Ready to Spec Aluminum Crittall Doors for Your Next Project?
Whether you are designing a high-end private residence in Bangsar, fitting out a hospitality venue in George Town, or sourcing commercial packages for a high-rise development, our engineering team will provide free 2D/3D CAD shop drawings, bill of quantities (BOQ), and factory-direct CIF delivery quotes within 24 hours.
