Direct Factory Sourcing & B2B Export Architecture

OEM/ODM Aluminum Shed Windows Supplier & Exporters

High-Tolerance Architectural Extrusions, Hurricane-Grade Sealing, and Scalable Engineered Fenestration Systems for Modular Outbuildings, Prefab Cabins, and Commercial Sheds.

Engineered Catalog

Featured Outbuilding & Architectural Fenestration Systems

Explore our precision-crafted aluminum shed windows, passive fenestration units, heavy-duty industrial roll-ups, and structural sliding systems engineered to meet international building codes across North America, Europe, Australia, and Africa.

B2B Procurement Whitepaper

Engineering Metallurgy & Structural Architecture of Heavy-Duty Shed Windows

Shed windows have evolved beyond basic single-pane barn openings. Today’s industrial outbuildings, timber garden rooms, and prefabricated accessory dwelling units (ADUs) demand commercial-grade extrusion tolerances, thermal insulation, and cyclonic weather resistance.

Primary 6063-T5/T6 Extrusions

We strictly utilize virgin, high-purity architectural-grade 6063-T5 and 6063-T6 aluminum alloys. With a minimum wall thickness of 1.4mm to 2.0mm, our profiles deliver extraordinary torsional strength and wind-load resistance under extreme cyclic pressures.

  • Tensile strength exceeding 205 MPa (T6 temper)
  • Precision corner-crimped or miter-welded joints
  • Zero structural distortion under thermal variations

Thermal Barrier Polyamide Strips

Eliminating interior condensation in climate-controlled workshops and modern backyard offices requires multi-cavity thermal break designs. Integrated PA66 GF25 fiberglass-reinforced polyamide strips physically isolate outdoor cold from indoor comfort.

  • Low thermal conductivity U-values down to 1.3 W/m²K
  • Prevents moisture build-up and mold in timber frames
  • Drastically minimizes heating and cooling HVAC loads

Marine Surface Treatments

Outbuildings are continuously exposed to ultraviolet degradation, acid rain, and coastal saline atmospheres. We offer AkzoNobel or PPG architectural powder coatings meeting AAMA 2604/2605 and Class I architectural anodizing (15-25μm).

  • Qualicoat-certified fluorocarbon (PVDF) 3-coat options
  • Salt spray tested up to 3,000 continuous hours
  • Zero chalking, blistering, or delamination over 15+ years

Technical Specification Matrix: Shed Window Product Series

Profile Specification Utility Shed Grade (Standard) Commercial Outbuilding (Heavy-Duty) Luxury ADU & Garden Office (Passive)
Alloy / Temper AlSiMg 6063-T5 Structural 6063-T6 / 6061-T6 Structural Thermal Break 6063-T6
Profile Depth 38mm – 45mm Frame 55mm – 65mm Frame 70mm – 80mm Multi-Chamber
Glazing Package 4mm / 5mm Tempered Monolithic 5mm + 9A + 5mm Insulated Glass 5mm + 12Ar + 5mm + 12Ar + 5mm Triple Low-E
Water Tightness (Pa) Class 4A (250 Pa) Class 7A (450 Pa) Class 9A / E1050 (≥ 900 Pa - Hurricane)
Acoustic Attenuation Rw = 24 dB Rw = 32 dB Rw = 42 dB (Soundproof rating)
Flange Configurations Standard Flush Flange J-Channel Integrated / 1" Nail Fin Brickmold / Adjustable Sub-frame Clip
Industry Foresight

Global Sourcing & Procurement Trends (2025–2030)

The global market for prefabricated sheds, tiny houses, and modular outdoor spaces is undergoing a profound structural upgrade. B2B buyers must navigate tightening energy codes, modular installation demands, and supply chain decarbonization.

180,000㎡

Intelligent Production Base

600+

Direct Manufacturing Technicians

100+

National Patents & Global Certs

25+ Years

Door & Window Engineering

Design Innovation

Concealed Weep Systems & Self-Draining Micro-Extrusions

Conventional shed windows often suffer from visible plastic weep hole plugs that dislodge during transport or clog with lawn debris, leading to water backflow into structural walls. DERCHI engineers have introduced fully concealed stepped-drainage cavities directly into the aluminum sill profile.

Engineered Gravity Siphon Tech:

Utilizing high-differential air chambers, our design channels driving rainfall outward even during sustained 60 mph gale winds, preventing water pool accumulation.

Additionally, our flush-fitting stainless steel bug screens (SS304 mesh) are seated via magnetic or concealed spline tracks, preventing bug intrusion while maintaining pristine aesthetic lines for luxury outdoor retreats.

Testing line for aluminum window water permeability and wind load
Export container packaging and knocked-down KD frames for aluminum shed windows
Supply Chain Advantage

High-Density Nesting & KD Container Logistics

Freight cost volatility requires maximum volumetric efficiency. For large-scale volume importers, hardware retailers, and shed factory networks, DERCHI provides both fully assembled units and Knocked-Down (KD) modular kits.

Container Payload Optimization:

KD profiles utilize precision corner keys with pre-drilled pilot holes, tripling shipping capacity from 850 fully assembled units per 40HQ up to 2,600 units in knockdown form.

Every shipment is packaged in heavy-duty honeycomb carton crating with 5-layer corner edge guards and shrink-wrapped waterproof film, completely eliminating shipping abrasion on intercontinental sea transit.

Enterprise Strength

Guangdong Dejiyoupin Doors & Windows Co., Ltd. (DERCHI)

Recognized among China’s Top 10 fenestration manufacturers, our Foshan facility integrates cutting-edge German CNC extrusion milling, automatic insulated glass sealing lines, and comprehensive in-house quality laboratories.

One-Stop Manufacturing Icon

Full Envelope Capabilities

Consolidate your inventory with vertical sliding shed sash windows, bi-fold doors, glass roll-ups, and interior doors in single 40HQ container loads.

Global Certification Icon

Internationally Certified

Fully compliant with CE, ISO9001, AS2047 cyclonic testing, and UL fire ratings, simplifying customs clearance and municipal building permits.

Custom Tooling Icon

OEM/ODM Die Tooling

Dedicated tooling workshop delivering proprietary aluminum extrusion dies within 12–15 days, tailored to your custom shed wall thicknesses.

Engineering Support Icon

24/7 Engineering Support

English-fluent fenestration engineers providing parametric BIM, Revit, and CAD shop drawings with 24-hour turnaround for project schedules.

Aerial view of the 180,000 sqm DERCHI manufacturing facility in Foshan
DERCHI international certifications including ISO9001, CE, AS2047

Rigorous audit documentation verified for global customs compliance.

Procurement Knowledge Hub

Frequently Asked Questions for B2B Importers & Contractors

Critical commercial, engineering, and logistical insights to streamline your procurement cycle from quotation to container destuffing.

Q1: What is the standard Minimum Order Quantity (MOQ) for custom OEM aluminum shed windows?
For standard profiles and standard RAL finishes (such as Matte Black, White, and Anthracite Gray), our MOQ is 50 units. For fully bespoke custom aluminum extrusion dies requiring custom punch tooling, the initial order threshold is typically 500 meters of extruded profile, or roughly 150–200 completed shed window units.
Q2: How do you guarantee watertightness in timber and steel outbuildings?
We employ virgin multi-lip EPDM gasket weatherstripping paired with internal corner vulcanized injection corners. Our profiles feature dual integrated weep channels and optional 1-inch integrated nailing flanges (flush fin / J-channel fin) that lap directly behind weather-resistive barriers (house wrap) to prevent capillary water seepage into the rough framing.
Q3: Can you provide Florida Building Code (FBC) or ASTM hurricane impact certifications?
Yes. Our hurricane sash single-hung and horizontal sliding series are engineered to meet ASTM E1886 and ASTM E1996 large missile impact criteria (Missile Level D, Rating +50/-50 PSF). We utilize laminated safety glass packages (e.g., 5mm Tempered + 1.14mm PVB/SGP + 5mm Tempered) anchored within heavy-gauge structural glazing channels.
Q4: What is the typical production lead time for full container loads (FCL)?
Once CAD shop drawings are approved and deposits are received, standard production lead time for a 40ft High Cube container (approx. 700 to 1,000 assembled windows) is 20 to 25 business days. Knocked-Down (KD) orders can ship within 15 to 18 days due to streamlined automated cutting and machining.
Q5: How do you address condensation resistance in cold northern climates?
In northern US, Canadian, or Scandinavian winter environments, uninsulated aluminum acts as a thermal bridge, causing frost buildup inside workshops. We recommend our 65mm or 72mm series featuring a 24mm PA66 GF25 thermal break strip, argon-gas insulated double glazing, and warm-edge silicone composite spacers (Swisspacer), elevating the Condensation Resistance Factor (CRF) above 65.
Q6: What options are available for insect screens and security grills?
We provide three main insect protection options: standard 18x16 fiberglass insect mesh, micro-mesh pet-resistant vinyl-coated polyester, and high-tensile 304 marine-grade stainless steel security mesh (0.8mm wire). The stainless steel mesh options provide anti-knife, anti-theft forced entry security without impairing airflow or sightlines.
Q7: Can you provide custom logo branding, private label packaging, and barcode labeling?
Absolutely. Over 80% of our production is dedicated to OEM/ODM private labeling. We laser-etch your company brand onto sash locks and profile covers, apply custom protective films with your company logo, and print GS1-standard EAN/UPC barcodes, model sizes, and batch numbers on each carton for instant scanning at your distribution centers.
Q8: What payment terms and Incoterms do you support for international buyers?
We support FOB (Foshan / Guangzhou / Shenzhen), CIF, CFR, and DDP (Delivered Duty Paid) to your warehouse. Our standard commercial payment terms are 30% T/T deposit upon order confirmation and CAD drawing sign-off, with the 70% balance paid against the Bill of Lading (B/L) copy or an irrevocable Letter of Credit (L/C) at sight for verified corporate buyers.

Request an Engineered Quote & CAD Specification Today

Partner with an elite Chinese manufacturer possessing 180,000㎡ of production capability. Send us your rough opening schedules, architectural specifications, or custom extrusion concepts for a comprehensive technical proposal within 24 hours.

Send an Inquiry