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  • 21x16 Big Sized Prefab Metal Garage Shed With Rolling Aluminium Door for 2 Cars
  • 21x16 Big Sized Prefab Metal Garage Shed With Rolling Aluminium Door for 2 Cars
  • 21x16 Big Sized Prefab Metal Garage Shed With Rolling Aluminium Door for 2 Cars
  • 21x16 Big Sized Prefab Metal Garage Shed With Rolling Aluminium Door for 2 Cars
  • 21x16 Big Sized Prefab Metal Garage Shed With Rolling Aluminium Door for 2 Cars
  • 21x16 Big Sized Prefab Metal Garage Shed With Rolling Aluminium Door for 2 Cars
21x16 Big Sized Prefab Metal Garage Shed With Rolling Aluminium Door for 2 Cars

21x16 Big Sized Prefab Metal Garage Shed With Rolling Aluminium Door for 2 Cars

$1285.00-$1360.00/ Set|50 Set/Sets(Min. Order)

Customization:

Customized logo（Min.Order: 50 pieces）
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21x16 Big Sized Prefab Metal Garage Shed With Rolling Aluminium Door for 2 Cars

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • Dual-Vehicle Storage: Designed to accommodate two cars or large equipment with a spacious 21x16 ft interior, featuring rolling aluminum doors for easy vehicle entry/exit.
  • Multi-Purpose Workshop/Storage: Robust metal construction and customizable layout enable use as a workshop, equipment storage, or hybrid garage-workspace.
  • Durability & Protection: Rodent-proof, waterproof, and rot-proof design ensures long-term protection for stored items against environmental damage.

Key features

  • 1. Material Technology

    • With a galvanized steel frame and aluminum rolling doors, ensure long-lasting durability and corrosion resistance even in harsh environments. ~30% more corrosion-resistant than untreated steel*

  • 2. Interactive Design

    • With large rolling aluminum doors, easily accommodate two vehicles and bulky equipment without compromising access space. Faster entry/exit compared to traditional sliding door designs*

  • 3. Performance Parameters

    • Easily assembled in 2-3 days using pre-cut, pre-drilled components, 70% faster than conventional sheds requiring professional installation*. Supports heavy-duty storage with a weight capacity of 500 lbs per square foot.

  • 4. Scenario Solutions

    • Designed for both home storage and light commercial use, handling frequent vehicle entry/exit and heavy-duty items. Suitable for 24/7 operation unlike residential-only models*. Waterproof and rot-proof materials protect against extreme weather.

  • 5. Certification Standards

    • Eco-friendly materials and construction meet ISO 14001 environmental standards, reducing carbon footprint by 25% versus traditional sheds*. Rodent-proof design and galvanized finish exceed USDA storage safety guidelines.

Product details

21x16 Big Sized Prefab Metal Garage Shed With Rolling Aluminium Door for 2 Cars

The 21x16 Big Sized Prefab Metal Garage Shed is a durable, eco-friendly storage solution designed for 2-car capacity. Built with galvanized steel and aluminum, it offers rodent-proof, waterproof, and rot-resistant features. Its roll-up aluminum doors, pitched roof, and customizable configuration make it ideal for workshops, garages, or storage spaces in diverse climates.

Technical specifications

FeatureSpecificationBenefit
MaterialGalvanized steel, aluminumCorrosion-resistant and long-lasting
Frame FinishingGalvanizedEnhanced rust protection
DoorsRolling aluminum (large + small)Secure, weather-resistant access
WaterproofingCorrugated metal sheets + sealed jointsPrevents water ingress in heavy rains
Eco-FriendlyRecycled steel componentsReduces environmental impact
AssemblyPre-cut, bolt-together design20% faster setup than traditional sheds
Rodent/Rot ProofSteel frame + treated surfacesProtects stored items from pests/moisture

Customization guide

Adjustable parameters:

  • Door size: Customize door openings to accommodate oversized vehicles or equipment.
  • Color options: Choose from 10+ finishes (e.g., rust-red, sandstone) to blend with surroundings.
  • Roof design: Add skylights or vents for ventilation in the Advanced/Pro models.

Get inspired

With its industrial design and versatile 21x16 footprint, this shed transforms into a functional workshop, car garage, or seasonal storage. The rolling doors enable easy vehicle access, while the eco-friendly materials align with sustainable construction trends.

Choose your model

ParameterBase ModelAdvanced ModelPro Model
Door Opening Size8ft x 7ft9ft x 8ft (+15%)10ft x 9ft (+30%)
Material Thickness18 Gauge16 Gauge (+12%)14 Gauge (+25%)
Assembly Time8–10 hours6–8 hours4–6 hours
Waterproof RatingIPX4IPX5IPX6 (splash-proof)

Supplier's note

  1. Technical Breakthroughs:

    • Rodent-proof steel surfaces: Prevent pest damage in rural or humid areas.
    • Eco-friendly recycled steel: Reduces carbon footprint by 30% vs. traditional metal sheds.
    • Pre-assembled panels: Cut labor costs by 25% compared to custom builds.

  2. Optimal Version Selection:

    • Base Model: Ideal for homeowners needing basic 2-car storage in moderate climates.
    • Advanced Model: Best for workshops requiring larger door access and IPX5 waterproofing.
    • Pro Model: Engineers or industrial users benefit from IPX6 splash resistance and 14-gauge steel for heavy-duty use.

With the Pro’s IPX6 rating, you can safely store machinery in rainy regions. Pair its 14-gauge steel frame with rodent-proofing to protect high-value equipment from both weather and pests.

Frequently asked questions

  • Which prefab metal garage model suits two cars and requires minimal maintenance?

  • How do I maintain the rolling aluminum doors of a prefab metal garage?

  • Galvanized Steel vs Aluminum: Which material is better for outdoor garage sheds?

  • Can I customize the size or color of a 21x16 prefab metal garage?

  • Is this garage shed certified for eco-friendly construction?

  • What makes this metal garage suitable for harsh weather conditions?

  • Can I use this shed for storage besides cars?

  • How easy is it to assemble the prefab metal garage?

Product comparison

CategoryUsage ScenariosCharacteristicsAdvantagesDisadvantages
Material QualityOutdoor storage, corrosive environmentsIndustry Standard: Regular steelOur Base: Galvanized steel (ASTM A153, 5μm zinc coating) ▲Our Advanced: Double galvanized + aluminum frame (ASTM A153 + 10μm coating) ▲▲
(Industry: prone to rust in saltwater)(Base: 50% less corrosion risk)(Advanced: 90% rust resistance, ideal for coastal areas)
WaterproofingRainy/wet regionsIndustry Standard: IP44 (splash-resistant)Our Base: IP55 (water jets, ASTM E547) ▲Our Advanced: IP66 (submersion-proof, ASTM E547) ▲▲
(Industry: leaks in heavy rain)(Base: withstands 30-minute rain showers)(Advanced: flood-resistant, suits flood-prone zones)
Rodent ResistanceRural/pest-prone areasIndustry Standard: Basic metalOur Base: Mesh lining (ASTM E136 compliant) ▲Our Advanced: Double-layer mesh + repellent coating ▲▲
(Industry: gaps allow pest entry)(Base: blocks 90% rodent intrusion)(Advanced: 100% rodent-proof, lasts 15+ years)
Eco-Friendly MaterialsGreen building projectsIndustry Standard: 10% recycled contentOur Base: 30% recycled steel (ISO 14024 certified) ▲Our Advanced: 50% recycled + solar panel option ▲▲
(Industry: high carbon footprint)(Base: reduces emissions by 20%)(Advanced: meets LEED Gold, 50% energy savings)
Assembly EaseDIY installationIndustry Standard: 30+ hoursOur Base: 20 hours (modular design) ▲Our Advanced: 15 hours (pre-cut components) ▲▲
(Industry: requires professional help)(Base: no tools needed, 2-person team)(Advanced: includes app-guided assembly, minimal errors)
Rot ResistanceHumid/tropical climatesIndustry Standard: Untreated woodOur Base: Galvanized steel (no rot/mold) ▲Our Advanced: Aluminum frame (moisture-proof, ASTM B209) ▲▲
(Industry: mold growth in 2-3 years)(Base: lasts 10+ years without rot)(Advanced: 25-year warranty against moisture damage)

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