Impact Resistant · Casement
Precision Fenestration Portfolio
Featured Architectural Aluminum Doors & Systems
From frameless acoustic glass bathroom swing panels and telescopic stackers to cyclonic-rated exterior profiles, explore our high-tolerance extrusion lines manufactured strictly under international building codes.
Multi-Panel · Folding Slide
2/3/4 Panel Hurricane Proof Folding Sliding Glass Door with Black Aluminum Frame Impact Resistant for Garage
AS2047 Certified · Stacker
AS2047 Australia Balcony Aluminum Sliding Glass Door Large Double Tempered Glass Stacker Doors for Sale
Foldable Accordion · Acoustic
Rogenilan Balcony Windproof Tempered Glass Foldable Folding Door Aluminum Double Glass Accordion Fold Patio Door
Panoramic Stacker · Heavy-Duty
As2047 Australian Windows And Doors Double Glazed Stacker Doors Commercial Exterior Patio Panoramic Aluminum Sliding Doors
Thermal Break · Bifold System
NF Aluminum Doors Aluminium Bifold Patio Folding Glass Doors Outswing Energy Efficient Bifold Door
Internal Blinds · Privacy Glazing
Rogenilan Australian AS2047 Double Glazed Aluminum Awning Window Aluminium Hopper windows With Built in Blind
Slimline Profile · OEM Custom
Aluminium Profile Door Frame Wardrobe Customize Window Series
Engineering Whitepaper & Metallurgy
Anatomy of an Industrial-Grade Aluminium Bathroom Door System
High relative humidity (RH 90%+), continuous ambient steam, soap residue, and frequent chemical sanitation make standard residential interior doors fail rapidly. Here is how custom OEM engineered aluminum and glazed assemblies eliminate swelling, oxidation, and mechanical degradation.
Commercial interior spaces—especially high-density hospitality suites, modern master ensuites, health clubs, and wellness villas—demand fenestration systems engineered specifically to combat dynamic hydrothermal stresses. When sourcing from an OEM bathroom door manufacturer, project managers and architectural specifiers must scrutinize structural metallurgy, anodizing film depth, hermetic perimeter gasket chemistry, and hardware kinematic ratings. Generic residential swing doors quickly succumb to water ingress, delamination of edge bands, internal profile mildew, and pivot sagging under sustained moisture exposure.
Alloy 6063-T5 / T6 Extrusion Metallurgy
We utilize primary aluminum billets extruded to 6063-T5 and T6 structural tempers. Offering an optimal tensile strength exceeding 160 MPa and yield strength of 110 MPa, our hollow-chamber and multi-cavity extrusions allow hidden drainage channels, concealed screw fixings, and high torsional resistance while retaining an ultra-slim sightline.
Surface Treatment: 15–25µm Anodic Layer
To resist detergent acidity, salt spray, and alkaline shower water, all aluminum profiles undergo micro-porous Class I anodizing or Qualicoat-certified fluorocarbon (PVDF) electrostatic powder spraying. With surface film thickness tested up to 25µm, profiles pass ASTM B117 1,000-hour neutral salt-spray testing with zero bubbling or surface pitting.
Acoustic Tempered Safety Glazing
Glazing options span 6mm to 10mm single or laminated tempered safety glass compliant with ANSI Z97.1, EN 12150, and AS/NZS 2208. We engineer fluted/reeded (Moru), acid-etched frost, low-iron ultra-clear, ceramic fritted, and double-glazed assemblies with sound transmission class (STC) ratings up to 36 dB for ultimate privacy.
Hermetic EPDM & Magnetic Dual-Seals
Ordinary silicone caulk degrades over time in moist shower environments. DERCHI bathroom doors utilize co-extruded cellular EPDM rubber sealing strips paired with magnetic perimeter latch seals, preventing aerosol water vapor escape into adjacent living suites and offering draft-free, silent cushioning on closing.
Sub-Frame Jambs & Drywall Adaptors
Our OEM engineers supply modular extruded casing adaptors and adjustable sub-frames that accommodate drywall steel-stud partitions, concrete block work, or marble returns. Telescopic architraves conceal wall thickness tolerances of up to ±15mm, speeding on-site installation by over 40%.
Marine-Grade 304/316 Hardware Kinematics
Hinges, roller tracks, pivot assemblies, and mortise lock sets are cast in solid SUS304 or SUS316 stainless steel with hydraulic damper closers. Tested through 200,000 continuous opening-closing operational duty cycles, our hardware maintains frictionless operation without clearance deflection.
| Performance Criterion | Solid Timber / Veneered MDF | PVC / WPC Extruded Doors | Generic Residential Aluminum | DERCHI Custom OEM Architectural Systems |
|---|---|---|---|---|
| Water Absorption & Swell Rate | High (6% - 14% volumetric swell) | Low (< 0.5%) | 0% (Hermetic metal alloy) | 0.00% Impermeable (EN 12207 Class 4) |
| Termite & Fungal Resistance | Vulnerable (Requires chemical biocides) | Resistant but prone to surface mold | 100% Inert & Bio-proof | Inorganic Non-Porous Alloy + Antibacterial Finish |
| Acoustic Isolation Rating | STC 24 – 28 dB | STC 20 – 25 dB | STC 26 – 30 dB | STC 32 – 38 dB (Laminated/Double Glazed) |
| Structural Frame Deflection | Warping after 12–24 months | Creep deformation under thermal shifts | Moderate frame rigidity | High-Moment 6063-T6 Precision Cavities |
| Fire & Combustibility Rating | Combustible (Class B2/B3) | Toxic smoke emission (Class B1) | Non-combustible profile | Class A Non-Combustible + UL Fire-Rated Option |
| Expected Service Life (Hospitality) | 3 – 5 Years (Repeated touch-up) | 5 – 8 Years (Yellowing & embrittlement) | 10 – 12 Years | 25+ Years Maintenance-Free Performance |
Market Forecast & R&D Roadmap
Future Procurement Trends for Commercial Bathroom Doors
How global real estate developers, EPC contractors, and five-star hospitality brands are optimizing bathroom fenestration procurement to reduce lifecycle costs and elevate occupant experience.
TREND 01
Minimalist Micro-Sightlines & Ghost Pivot Hardware
Architects are eliminating heavy perimeter framing in favor of micro-sightline profiles (16mm to 22mm face width). Floor-to-ceiling pivot assemblies with concealed top pivots and hydraulic floor springs replace traditional visible hinges, creating a seamless monolithic glass appearance favored in luxury residential en-suites.
Architectural Minimalism
TREND 02
PDLC Smart Privacy Glass Integration
Electrically switchable Polymer Dispersed Liquid Crystal (PDLC) glass is migrating from boardroom partitions to premium bathroom doors. In under 20 milliseconds, the glass transforms from crystal clear to opaque privacy via wall touch switches, occupancy sensors, or smart home automation systems, maximizing natural light penetration.
Smart Restroom Tech
TREND 03
Prefabricated Modular Bathroom Pod Compatibility
With the rapid growth of Off-Site Modular Construction (OSMC), volume buyers require bathroom doors pre-assembled in knock-down (KD) or modular unitized cassette kits. Factory-calibrated jambs clip directly into steel light-gauge bathroom pod frameworks, eliminating wet trades on-site and slashing installation hours by 60%.
Off-Site Construction
TREND 04
Decarbonized Metallurgy & Circular Billets
Institutional property developers and green building standards (LEED v4.1, BREEAM) now mandate Environmental Product Declarations (EPD). Global procurement is shifting toward low-carbon aluminum extruded using renewable hydroelectric smelting with a minimum of 50% post-consumer recycled scrap, dramatically reducing embodied carbon.
Sustainability & EPD
TREND 05
Anti-Bacterial & Hydrophobic Nanocoatings
Post-pandemic commercial wellness specifications demand self-sanitizing hardware surfaces and easy-clean glass. OEM manufacturers are incorporating photocatalytic titanium dioxide (TiO2) and superhydrophobic nanocoatings onto glass faces, repelling hard-water limescale, soap scum, and inhibiting 99.9% of bacterial colonization.
Hygiene Engineering
TREND 06
Acoustic Privacy Isolation (Target STC 35+)
Open-concept boutique suites have turned acoustic attenuation into a top hospitality KPI. Future door designs incorporate mechanical bottom drop seals (guillotine sweep seals) that silently lower upon latching, bridging the floor clearance gap to prevent conversational and hydro-jet noise transfer to sleeping quarters.
Acoustic Engineering
Enterprise Authority & Production Scale
Guangdong Dejiyoupin: Verified Fenestration Manufacturing Excellence
Operating from Foshan, Guangdong—the epicentre of global precision aluminum engineering—Guangdong Dejiyoupin Doors and Windows Co., Ltd. (DERCHI) stands among China's Top 10 architectural door and window manufacturers. We deliver direct factory-to-site engineering for international architects, builders, and wholesalers who cannot afford compromises in structural integrity or delivery schedules.
25+
Years Precision Manufacturing
180,000m²
Smart Production Campus
600+
Engineers & Craft Technicians
100+
Patents & Global Certifications
Equipped with German-imported Elumatec 5-axis CNC profile machining centers, robotic corner-crimping cells, and automated glass handling lines, our Foshan factory maintains an annual production capacity exceeding 500,000 square meters. Every batch of extruded profile, silicone gasket, and tempered glass panel is fully traceable from raw melt to final export crating.
Turnkey Custom OEM/ODM Export Workflow
From preliminary architectural elevation drawings to containerized on-site delivery, our end-to-end quality management protocol ensures zero discrepancy.
01
CAD/BIM Custom Engineering
Our bilingual fenestration engineers convert your architectural door schedules into parametric 2D shop drawings and 3D BIM models within 48 hours, detailing profile sections, wall jamb connections, and glass cutouts.
02
Extrusion Die Tooling & Finish
Need a proprietary frame profile? We design, extrude, and test custom aluminum dies in-house. Extruded frames undergo high-precision CNC routing, miter joining, and custom architectural surface treatments.
03
Pre-Assembly & QA Testing
Each door unit is 100% pre-hung in our workshop jig to verify mechanical swing clearances, diagonal squareness (< 1mm tolerance), magnetic seal pull, and lock alignment prior to packing.
04
Heavy-Duty Export Crating
Components are wrapped in protective polyethylene scratch films, encased in rigid EPE foam corner blocks, and secured inside steel-banded, fumigated solid plywood ocean-freight crates built for rough transit.
Strategic Sourcing Knowledge
Frequently Asked Questions for B2B Importers & Contractors
Everything procurement directors, developers, and quantity surveyors need to know about material specifications, factory compliance, lead times, and custom OEM manufacturing.
Why are aluminum glass doors superior to WPC or solid wood for commercial bathrooms? +
Solid wood and MDF absorb airborne moisture and steam, causing dimensional expansion (swelling), veneer peeling, and lock misalignment within 12 to 24 months. While WPC (Wood-Plastic Composite) resists moisture, it lacks structural flexural rigidity, often sagging when fabricated into large door leaves, and can emit volatile organic plasticizers under high heat. In contrast, 6063-T5/T6 structural aluminum profiles possess zero hygroscopic expansion, are 100% termite and rot-proof, feature non-combustible Class A fire ratings, and maintain strict millimeter tolerances over decades of high-frequency commercial use.
What surface finishes are recommended to prevent corrosion from shower steam and cleaners? +
For interior bathroom environments with frequent exposure to high humidity, shampoo aerosols, and mild cleaning detergents, we recommend Class I Architectural Anodizing (thickness 18–25µm) or Qualicoat Class 2 / AAMA 2604-compliant electrostatic fluorocarbon (PVDF) powder coating. Standard residential anodizing (5–10µm) can suffer from cloudy spotting over time. DERCHI profiles are tested against neutral salt-spray (ASTM B117) for 1,000+ hours and hydrothermal immersion to guarantee lasting color retention and zero finish blister.
What glass specifications and visual privacy options can you manufacture for OEM orders? +
We provide an extensive range of safety glazing certified to ANSI Z97.1, EN 12150, and AS/NZS 2208:
- Moru / Fluted Glass: Ribbed vertical textures that diffuse light while obscuring interior silhouettes.
- Acid-Etched Frosted Glass: Silky fingerprint-resistant matte finish that resists mineral stain adhesion.
- PVB Acoustic Laminated Glass: 4mm+0.76PVB+4mm configurations providing acoustic sound deadening up to 36 dB.
- PDLC Smart Switchable Glass: Transforms between transparent and opaque at the flip of a switch.
- Ceramic Screen-Printed Glass: Custom gradient geometric stripes, architectural frosts, or opaque RAL color backings.
Can your factory accommodate custom wall thicknesses and non-standard rough openings? +
Yes. Every order is made strictly to measure based on your architectural door schedule. We provide two framing methodologies: (1) Adjustable telescopic wrap-around aluminum architraves that clamp over finished wall thicknesses from 80mm to 350mm, concealing rough plaster or drywall cutouts; and (2) Minimalist concealed flush sub-frames engineered for embedded drywall track installation. Detailed shop drawings are submitted for your consultant’s sign-off before raw material cutting begins.
What are your typical OEM lead times, sample policies, and Minimum Order Quantities (MOQ)? +
For standard catalog profiles with stock architectural finishes (Matte Black, Brushed Brass, Satin Anodized Silver, Pearl White), our lead time is 18 to 25 business days from CAD drawing approval. For bespoke die extrusion tooling, please allow an additional 10 to 14 days for die fabrication and sample sign-off. Our baseline commercial MOQ starts at 10 sets for customized profiles or mixed full container loads (20GP / 40HQ) for master project schedules. Pre-production mock-up corner samples and full-sized prototype units can be dispatched via air freight for developer review.
How are the doors packaged to prevent glass breakage and frame scratches during container shipment? +
We employ an export-proven 5-layer crating protocol: (1) Removable scratch-protective PE film on all exposed metal faces; (2) High-density shock-absorbing EPE closed-cell foam around all perimeter corners and glass edges; (3) Heavy corrugated wrap enclosing the door slab and sub-frame jambs; (4) Fumigation-free ISPM-15 certified solid multi-layer plywood crates; (5) Internal steel strapping and vibration-dampening foam spacers. Our container loading teams balance axle weights and brace each crate against container D-rings, keeping transit damage claims below 0.08% across thousands of ocean TEUs.
Which international fenestration and quality certifications does your factory hold? +
Our company operates under an audited ISO 9001 Quality Management System, ISO 14001 Environmental Management, and ISO 45001 Occupational Safety. Our architectural systems have attained AS 2047 and AS 1288 accreditation (Australia), CE marking under EN 14351-1 (Europe), NFRC thermal performance ratings (North America), and UL fire-rating standards. Third-party structural wind load, air infiltration, and acoustic test reports are readily available for municipal permit submissions.
What trade terms, payment arrangements, and shipping ports do you service? +
We offer flexible Incoterms including EXW, FOB (Foshan, Guangzhou, or Shenzhen), CIF, CFR, and full DDP/DDU door-to-jobsite delivery services. Payment structures are typically 30% to 50% T/T deposit upon engineering drawing approval, with the balance payable against the bill of lading (B/L) copy or confirmed irrevocable Letter of Credit (L/C at sight) for volume commercial tenders.
Ready to Engineer Your Project's Bathroom Fenestration?
Whether you require 20 custom aluminum swing doors for a boutique villa development or 1,200 acoustic glazed sets for a five-star hotel tower, our Foshan engineering team delivers factory-direct pricing, certified shop drawings, and guaranteed international crating.
- Free 48-Hour CAD Shop Drawings
- Factory-Direct Volume OEM Pricing
- Custom Anodized & RAL Colors
- Strict AS2047 & CE Quality Assured
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Send your door schedules, rough opening dimensions, or architectural elevations for a line-item quotation within 24 hours.
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