Engineered Architectural Doors & Fenestration Solutions
Explore our precision-fabricated aluminum entrance, patio, and back door configurations manufactured to rigorous international building codes.
Prima High End Powder Coated Anthracite Grey Aluminium Casement Window
Designed for luxury residential estates featuring thermal break profiles, multi-point compression locks, and high weatherproofing performance.
Chinese Standard Fire Rated Galvanized Steel Security Main Door Design
90-minute fire-proof escape metal door system constructed with reinforced steel framework for critical rear access points and commercial security.
CE Certified Custom Size Aluminum Alloy Low-E Double Glazed Smart Folding Window
Automated folding glass wall system designed for attic conversions, high-end patios, and seamless back-patio transitions.
Aluminum Alloy Horizontal Louver Windows With Modern Shutter Protection
Outdoor ventilation shutter door/window units engineered for superior airflow control, sun shading, and storm protection.
Custom Luxury Modern House Villa Exterior Cast Aluminum Security Door
Heavy-duty cast aluminum entry doors offering bulletproof structure options, anti-corrosion finishes, and high-security smart locking systems.
Custom Wood Grain Aluminum Alloy Double Swing Door with Tempered Glass
Antibacterial thermal-transfer wood grain finish paired with heavy-duty hinges and tempered observation vision panels.
Premium 2 Tracks Large Balcony Aluminum Sliding Stack Doors with Grid Design
Smooth heavy-duty stainless steel tracks, custom decorative architectural grids, and double-glazed acoustic glass assemblies.
Waterproof Aluminium Alloy Wood Grain Horizontal Sliding Casement Windows
Dual-function horizontal sliding system featuring continuous EPDM weatherstripping and high wind-load pressure rating.
Engineering Principles of Commercial Aluminum Back Doors
An authoritative evaluation of thermal breaks, security hardware, and weather-sealing standards for B2B procurement managers and architectural specifiers.
In modern commercial and high-end residential architecture, selecting a Top Trusted Aluminum Back Door Supplier & Suppliers is no longer merely a purchasing decision; it is an critical engineering choice. Secondary access points—commonly referred to as rear entrance doors, utility back doors, or service exit systems—are subjected to rigorous environmental exposure and intense mechanical usage while acting as primary security barriers for building envelopes.
Historically, rear doors were often specified as simple solid metal or timber slabs. However, global building codes now mandate elevated energy efficiency ratings (U-Factors ≤ 1.4 W/m²K), structural wind load resistance (ASTM E330 / EN 12210 Class C5), and advanced intrusion prevention. High-grade extruded aluminum alloy (6063-T5/T6) integrated with polyamide thermal barrier technology has established itself as the premier standard for commercial fenestration procurement.
Information Gain: Thermal Conductivity & Material Standard Matrix
Standard non-thermal aluminum exhibits a thermal conductivity of approximately 200 W/m·K. By embedding high-density Polyamide PA66 Reinforced with 25% Glass Fiber (PA66-GF25), our aluminum back door profiles reduce overall system U-values to as low as 1.1 - 1.4 W/m²K, preventing condensation, eliminating thermal bridging, and complying with North American NFRC and European CE/EN 14351 energy compliance standards.
Core Engineering Criteria for Back Door Specification
When project contractors, real estate developers, and fenestration importers audit potential manufacturing partners in Foshan, China, three key engineering benchmarks determine supplier credibility:
- Structural Wall Thickness: Heavy-duty architectural aluminum back doors require profile wall thicknesses ranging between 2.0mm to 3.0mm for structural framing members, ensuring frame stability under extreme wind pressures and security loads.
- Multi-Point Security Locking Mechanics: Premium rear doors must feature multi-point gear-driven locking mechanisms (engaging 3 to 5 locking pins simultaneously into reinforced frame keeps) to withstand forced entry attacks.
- Dual & Triple EPDM Gaskets: Weatherproofing efficacy relies on continuous Ethylene Propylene Diene Monomer (EPDM) perimeter gaskets, achieving Class 4 Air Permeability (EN 12207) and E1050 Water Tightness (EN 12208).
Why Global Importers Partner with VELTOR Window & Door
Direct factory production from Foshan—China’s premier industrial hub for architectural aluminum extrusion and custom window fabrication.
Foshan Supply Chain Superiority
Located in Nanhai District, Foshan, VELTOR operates at the heart of global aluminum profile extrusion, anodizing, PVDF powder coating, and specialized insulated glass production.
Dedicated CAD/BIM Shop Drawings
We eliminate site errors by issuing full architectural CAD elevation and section drawings before manufacturing, ensuring every unit matches exact project opening schedules.
100% Pre-Shipment Quality Control
Every single door unit undergoes dimensional verification, corner crimping stress checks, hardware smooth-operation tests, and water spray tests prior to export crating.
Reinforced Export Logistics
Frames are wrapped in protective anti-scratch film, corners guarded with high-density EVA, and finished products loaded into fully enclosed, opening-numbered wooden crates.
Future Procurement & Development Trends in Aluminum Fenestration
Strategic market forecast analyzing environmental regulations, smart access integrations, and architectural aesthetic shifts transforming wholesale aluminum door sourcing.
1. Smart Access & IoT Lock Integration
The global commercial market is rapidly shifting away from mechanical key cylinders to smart electronic hardware. Next-generation aluminum back doors feature factory-milled mortise pockets engineered for biometric fingerprint access, RFID keycards, facial recognition, and smart building management (BMS) integration.
2. Ultra-Narrow Sightlines & Flush Thresholds
Architects increasingly demand minimal visible aluminum frames paired with flush floor transitions. Modern back doors incorporate narrow stile profiles (under 50mm visible width) coupled with heavy-duty concealed drainage sills that pass ADA accessibility guidelines without compromising water ingress resistance.
3. Circular Economy & Low-Carbon Aluminum
European and North American buyers are implementing strict ESG supply chain audits. Top suppliers now utilize recycled aluminum billets (hydro-electric melted) with low embodied carbon emissions, verified by Environmental Product Declarations (EPD) to support LEED and BREEAM building certifications.
Commercial Aluminum Back Door Specification Matrix
Compare core technical parameters across major aluminum entrance and utility door configurations available for OEM / ODM production.
| Door System Type | Profile Wall Thickness | Thermal Break Tech | Glazing Specification | Air/Water Tightness | Recommended Application |
|---|---|---|---|---|---|
| Heavy-Duty Casement Back Door | 2.0mm - 2.5mm | PA66-GF25 Polyamide 24mm Strip | 5mm+12Ar+5mm Low-E Toughened | Class 4 Air / E1050 Water | Luxury Villas, Coastal Homes, Cold Climates |
| Narrow-Frame Sliding Rear Patio Door | 1.8mm - 2.0mm | Polyurethane Thermal Barrier | 6mm+16Ar+6mm Double Tempered | Class 3 Air / E750 Water | Balcony Access, Courtyards, Multi-Family |
| Commercial Glass & Aluminum Storefront Door | 2.0mm - 3.0mm | Optional Thermal/Non-Thermal | 6mm Laminated / Double Glazed | Class 3 Air / E600 Water | Retail Outlets, Restaurant Rear Exit, Offices |
| Bi-Fold Exterior Glass Wall System | 2.0mm - 2.2mm | PA66 Thermal Break 20mm | 5mm+14Ar+5mm Smart Glazing | Class 4 Air / E900 Water | High-End Residential Rear Decks & Resorts |
| Fire-Rated Metal / Steel Security Escape Door | 1.5mm Door Leaf / 2.0mm Frame | Rockwool / Perlite Core Insulation | Fire-Rated Wire / Clear Safety Glass | 90-Min Fire Resistance (BS / EN) | Commercial Utility Exit, Industrial Warehouses |
The 4-Step B2B Procurement Protocol
From architectural drawing review to final container shipment, our standardized engineering workflow guarantees absolute precision.
Drawing & Schedule Review
Submit your project window/door schedule or DWG plans. Our engineering team conducts wind load and thermal compliance evaluations.
Shop Drawing Sign-Off
We issue detailed shop drawings specifying profile cross-sections, hardware brand specs, glass build-ups, and opening directions.
Precision CNC Manufacturing
Automated profile cutting, corner crimping, gasket installation, and glazing assembly under strict ISO9001 standard operating procedures.
QC Audit & Export Shipping
Full pre-shipment photographic & video inspection reports provided before securing doors in custom wooden crates for global transit.
Frequently Asked Questions by Commercial Buyers
Direct answers regarding minimum order quantities, local code compliance, shipping, and technical customization.
What makes VELTOR a top trusted aluminum back door supplier in China?
VELTOR combines direct Foshan factory manufacturing with international engineering compliance. We operate full in-house profile CNC machining, corner assembly, and insulated glazing lines. Every order includes detailed CAD shop drawing approvals, certified high-grade 6063-T5/T6 thermal break extrusions, top-tier German/Italian hardware options (such as Siegenia, Hoppe, G-U), and 100% pre-shipment quality inspection reports.
What is your Minimum Order Quantity (MOQ) for custom aluminum back doors?
Because every fenestration unit is custom-manufactured to exact site opening dimensions, we accommodate single luxury villa project orders as well as full container loads (20GP/40HQ) for dealers and commercial contractors. For maximum ocean freight economy, we recommend consolidating doors and windows into unified project shipments.
Do your aluminum back doors comply with local wind load and energy codes?
Yes. We custom-engineer glass build-ups and profile wall thicknesses to meet your regional building codes—including North American NFRC/AAMA ratings, European CE / EN 14351 standards, and Australian AS2047 requirements. Double or triple low-E glass options with argon gas filling ensure superior U-values and solar heat gain coefficients (SHGC).
What security hardware options are available for rear access doors?
Secondary entry doors require heightened security against forced entry. We offer multi-point locking systems engaging up to 5 steel shoot-bolts, anti-snap key cylinders, heavy-duty security hinges, laminated burglar-resistant glass (PVB/SGP interlayers), and integrated digital biometric smart locks.
How are products packed to prevent damage during container sea transport?
All finished door frames and glass assemblies undergo multi-layer protection: first wrapped with anti-scratch PE film, fitted with heavy-duty rubber corner protectors, separated by shock-absorbing foam pads, and fully enclosed inside ISPM-15 compliant fumigated plywood wooden crates labeled by opening tag numbers.
What is the typical manufacturing lead time after drawing confirmation?
Standard production lead time is 25 to 35 business days following final CAD shop drawing sign-off and deposit receipt. Specialized finishes (such as custom PVDF colors or real wood grain laminates) may require an additional 5 business days.
