Soundproof Slim Profile Hinged Door
Modern soundproof slim-line profile engineered with multi-point locking mechanisms and perimeter acoustic EPDM seals for upscale urban townhouses and high-density subdivisions.
180,000㎡
Global Manufacturing Base
25+
Years Engineering Expertise
N6 Class
AS 2047 Extreme Wind Rated
100+
Patents & CE/ISO Standard Certs
Engineered Product Portfolio
Specialized Aluminium Back Doors for Philippine Residential & Commercial Sites
Every fenestration unit undergoes strict dimensional tolerance assessments, weatherization treatment, and structural load calculations designed for humid marine environments and intense tropical monsoon conditions across Metro Manila and surrounding provinces.
Heavy-Duty Pet Access Swing Door
Factory-integrated openable pet access hatch featuring marine-grade 316 stainless steel hinges, designed to prevent water pooling and weather infiltration in courtyard zones.
Acoustic Double-Glazed Patio Slider
Insulated double-glazed patio exterior glass systems providing premium structural water exclusion and sound insulation suitable for high-traffic zones, villas, and boutique hospitality spaces.
Condensation-Free Heated Glass Door
Integrated electric heating glass assembly designed to eliminate condensation during high-humidity seasons, perfect for temperature-controlled back kitchens and transition areas.
Architectural Accordion Folding System
Heavy-duty bifold glass configuration allowing full structural openings between dirty kitchens, utility areas, and back courtyard gardens with ultra-smooth concealed bottom rollers.
Anti-Water Ingress Typhoon Folding Door
Designed with an anti-backflow sill channel, preventing torrential monsoon water from being forced backwards past the threshold under aggressive tropical wind pressures.
5-Track Multi-Leaf Sliding System
Equipped with reinforced five-rail extruded track profiles, safety-laminated double tempered glass, and inter-locking security jambs to defend wide-span secondary property access.
Courtyard Perimeter Sliding Door
High-grade thermal and powder-coated extruded profile providing long-term resistance to ultraviolet sun fading, high humidity, and continuous everyday exterior access cycles.
Architectural Localization
Engineered Integration: Application Scenarios in the Philippine Built Environment
Specifying aluminium back doors in Manila requires an intimate understanding of Philippine domestic architectural layouts, climatic exposure vectors, and suburban security dynamics.
Dirty Kitchen & Lanai Transitions
Philippine luxury residential floorplans consistently incorporate dedicated dirty kitchen areas and covered outdoor lanais. Back doors serving these spaces encounter intense grease, high thermal spikes from continuous open cooking, and regular humidity shifts. Our 6063-T5 aluminum extrusions with fluorocarbon (PVDF) coating eliminate grease absorption and avoid the swelling or rotting common to wooden framing.
Coastal Gated Enclaves & Subdivisions
In gated master-planned communities like Forbes Park, Dasmariñas Village, Ayala Alabang, and waterfront developments along Manila Bay, property owners demand low-maintenance architectural fenestration. Exposure to saline air and high humidity causes conventional steel or low-grade aluminum to corrode within seasons. We supply 316-grade stainless hardware and marine-grade protective coatings to guarantee operational longevity.
High-Velocity Monsoon Pressure Thresholds
Typhoons crossing Luzon generate immense negative wind loads and torrential rains. A standard rear residential entrance frequently leaks at the lower threshold. DERCHI back doors incorporate specialized stepped anti-backflow thresholds and dual vulcanized EPDM gaskets that systematically drain driven rainwater back outward, certified under Australia’s AS 2047 N6 cyclonic testing benchmark.
Technical Rigor
Comparative Engineering Specification Matrix
Consultant-grade comparison demonstrating the quantifiable performance superiority of precision-extruded aluminum back door systems over market-standard wood and uPVC installations.
| Performance Vector | DERCHI Engineered Aluminium | Traditional Philippine Hardwood (Narra/Yakal) | Standard Commodity uPVC Profiles |
|---|---|---|---|
| Tropical Swelling & Warping | Zero dimensional variance; 100% moisture-resistant core | High susceptibility to swelling, jamming during wet season | High thermal expansion coefficient; sags in sustained UV exposure |
| Termite (Anay) Vulnerability | Completely impervious to wood-boring insects & fungus | Requires periodic toxic chemical soil & surface treatment | Impervious to insects, but lacks core structural load bearing |
| Wind & Water Tightness | Tested to AS 2047 N6 standard (up to 4500Pa wind resistance) | Dependent on manual caulking; deteriorates rapidly | Moderate; prone to frame deflection under typhoon gusts |
| Multi-Point Security Integration | Standard 3-to-7 point European mortise locking bars | Single-point deadbolt; easily compromised at strike plate | Internal multi-point available but weak against levered force |
| Maintenance Lifecycle | 30+ Years with simple fresh-water periodic wipe downs | Annual re-varnishing, re-sanding, and hinge re-alignment | 10-15 Years; surface chalking and yellowing from tropical UV |
Strategic Market Shifts
Architectural Fenestration Trends in Metro Manila
Data-backed movements reshaping how general contractors, real estate developers, and high-net-worth homeowners specify back doors in modern Philippine construction.
Shift from Wood to Anodized Systems
Due to declining supplies of mature native hardwoods and strict DENR logging regulations, the Metro Manila construction ecosystem has pivoted sharply toward high-tensile architectural aluminum. Architects now leverage aluminum’s slim profile sightlines to blend rear garden courtyards seamlessly into kitchen zones while maintaining superior perimeter intrusion resistance.
Smart Home & Electronic Hardware Integration
Security expectations in Metro Manila back entries have evolved. Modern back doors are no longer secondary utility cutouts; they are primary access points for domestic helpers, maintenance staff, and pet exits. Current demand centers on concealed digital lock cutouts, biometric thumbprint readers, and smart access panels engineered flush into the thermal-break frame without degrading weatherproofing.
Demand for Low-E Acoustic Double Glazing
With intense urban noise pollution along EDSA, C-5, and arterial bypasses, along with escalating Meralco electric tariffs, Philippine homeowners insist on acoustic and thermal insulation. Back doors fitted with Argon gas-filled Low-E double glazing keep indoor air conditioning loads balanced, slashing cooling bills and keeping tropical heat outside.
Direct Factory Sourcing
Why Philippine Contractors Partner with Guangdong Dejiyoupin
Leveraging 25 years of advanced manufacturing, we provide an enterprise-grade export bridge between our Foshan production facility and Manila project sites.
180,000㎡ Production Matrix
Over 600 skilled technicians producing bespoke aluminum systems with automated precision cutting, milling, and surface treatment facilities.
Free CAD Shop Drawings
Our dedicated structural engineering team provides complete elevation reviews and shop drawings to match project schedules before production begins.
Heavy Export Crating
Every door leaf and frame assembly is wrapped in protective moisture film, nested with edge bumpers, and crated in fumigated export timber for ocean transit.
Top-Tier International Certs
Compliant with CE, ISO 9001, AS 2047, and UL fire classifications, supported by comprehensive factory test records for local building code sign-offs.
Buyer Knowledge Base
Frequently Asked Questions by Philippine Builders & Homeowners
Clear, direct answers regarding customs clearance, sea shipping, structural performance, and job site installation across the Philippines.
How do DERCHI aluminum back doors prevent water backflow during Philippine typhoons? +
Our exterior door designs incorporate an engineered step-down sub-sill drainage system with continuous EPDM multi-chamber gaskets. When high winds hit the glass surface, driven rainwater is channeled through internal weeping channels equipped with gravity-assisted check valves. This prevents rain from being forced backwards across the interior floor even during intense tropical typhoons.
What is the standard production and shipping lead time from Foshan to Manila Port? +
Custom fabrication typically takes 20 to 25 business days depending on order size and color anodization specs. Ocean shipping from our Foshan export hub to the Port of Manila (South or North Harbor) takes only 4 to 7 days transit. We provide all necessary export customs documentation, packing lists, and bill of lading for smooth clearance.
Can doors be customized for non-standard structural openings in older renovations? +
Yes. As an OEM and bespoke manufacturer, we build every back door to your exact structural dimensions. You simply share your rough opening sizes and structural schedules, and our engineering desk produces exact CAD approval blueprints before manufacturing starts.
How does the finish handle high humidity and coastal salt spray around Manila Bay? +
For seaside properties or locations exposed to saline air and severe pollution, we recommend PVDF fluorocarbon coatings or marine-grade anodized finishes that exceed 25 microns. These treatments withstand salt-fog corrosion without blistering, cracking, or surface chalking, backed by high-grade 304 or 316 stainless steel hinges and mortise hardware.
Do you provide technical installation guidance for local general contractors? +
Yes. Every shipment includes step-by-step assembly guides, exploded profile diagrams, and anchor point schedules. Our bilingual engineering team also offers remote video technical support to your site engineer during installation, frame anchoring, and final perimeter sealant applications.
Engineering Your Back Door Project with Factory Precision
Whether you are designing a high-end luxury villa in Makati, renovating a townhouse in San Juan, or outfitting a coastal development in Batangas, tap into 25+ years of verified fenestration manufacturing strength.
Contact Us