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Looking Beyond the MNLR 12x20 FT Large Metal Outdoor Storage Shed? 6 Alternatives Worth a Look

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The MNLR 12x20 FT Large Metal Outdoor Storage Shed offers a robust galvanized steel structure with a reinforced frame. You get a 12x20 foot footprint, lockable double doors, and two windows for natural light. Its sloped roof aids water runoff, while built-in vents help reduce heat and moisture buildup. This setup is ideal for storing large lawn equipment and garden tools securely.

If you are looking for mnlr 12x20 ft large metal outdoor storage shed alternatives, you might want a different size, color, or feature set. Perhaps you need a narrower footprint, a different roof style, or a specific brand finish. We selected 6 options whose specifications overlap with the original. These picks include variations in width, height, and door configuration. You can compare their dimensions and materials to find the best fit for your yard. Each alternative shares the core metal construction but offers distinct practical differences for your specific storage needs.

Our top pick: MNLR 12x20 FT Large Metal Storage Shed.

How the Alternatives Compare

Patiowell 12x20 FT Metal Shed with Dual Doors

The Patiowell 12x20 FT Metal Shed shares the same 12x20 foot footprint as the MNLR, but its height is significantly lower at 63.2 inches compared to the MNLR’s 82.1 inches. This reduced profile makes it less suitable for tall items like standard lawn mowers but ideal for lower-profile vehicles or bulky equipment that does not require vertical clearance. It lacks the windows and vents found in the MNLR, focusing purely on secure, enclosed storage. The dual doors provide easy access, similar to the MNLR’s lockable double doors. If you need a wide base without the height, this is a practical alternative.

Polar Aurora 10x14 Metal Shed

The Polar Aurora 10x14 Metal Shed offers a smaller 10x14 foot footprint, making it a better fit for medium yards where the 12x20 MNLR would be too large. Its height is 113 inches, which is taller than the MNLR’s 82.1 inches, allowing for more vertical storage space despite the smaller floor area. The model listed has no windows, whereas the MNLR includes two for natural light. It is a ventilated metal tool storage option that sacrifices width and length for a compact structure. Choose this if your space is limited but you still need significant height for stacking items.

MXV 12x10 ft Metal Shed with Sloped Roof

The MXV 12x10 FT Metal Shed cuts the footprint in half compared to the MNLR, offering a 12x10 layout instead of 12x20. It is 76.4 inches high, slightly shorter than the MNLR’s 82.1 inches. This compact size is better for smaller tools and equipment where space is at a premium. It includes lockable doors, windows, and a sloped roof, matching many of the MNLR’s features in a smaller package. The weight is 120 pounds, much lighter than the MNLR’s implied bulk. Pick this if you prioritize security and weather resistance in a smaller area rather than maximum storage volume.

AECOJOY 10x20 Metal Shed with Windows

The AECOJOY 10x20 Metal Shed maintains the same 20-foot length as the MNLR but reduces the width to 10 feet, creating a narrower profile. Its height is 81.5 inches, nearly identical to the MNLR’s 82.1 inches. It includes windows for visibility, similar to the MNLR, but features a dark gray finish instead of black. The weight is 360 pounds, indicating a substantial build. This shed suits buyers who need a long storage space but have limited width in their yard. It provides wide access entry, making it a solid choice for bulky items that fit better in a long, narrow footprint.

Sannwsg 10x8 FT Metal Shed

The Sannwsg 10x8 FT Metal Shed is significantly smaller than the MNLR, with a 10x8 foot footprint and a height of 81.5 inches. It is much lighter at 192 pounds, making it easier to handle during assembly. It includes windows for ventilation and visibility, matching the MNLR’s light-enhancing feature. This compact unit is ideal for basic backyard storage needs where the large MNLR would be overkill. It offers rust-resistant construction and a black finish. Choose this if you need a small, ventilated shed for light tools rather than large lawn equipment or bulky outdoor supplies.

AirWire 14x10 FT Black Metal Shed

The AirWire 14x10 FT Metal Shed offers a wide 14-foot base, differing from the MNLR’s 12-foot width. It is 10 feet deep, compared to the MNLR’s 20-foot length, and stands 81.5 inches high, slightly shorter than the MNLR. It includes windows for natural light, similar to the MNLR. This shed prioritizes width and ventilation over maximum length or multi-sided lighting. It is a rust-resistant steel option for garden storage. If you need a wide storage area in a smaller footprint and do not require the 20-foot length of the MNLR, this is a practical alternative for organizing garden tools and supplies.

Quick picks

#ProductBest forPrice
1 MNLR 12x20 FT Large Metal Storage Shed Best overall storing large lawn equipment and tools Check price of MNLR 12x20 FT Large Metal Storage Shed on Amazon
2 Patiowell 12x20 FT Metal Shed with Dual Doors Best premium storing vehicles and bulky outdoor equipment Check price of Patiowell 12x20 FT Metal Shed with Dual Doors on Amazon
3 Polar Aurora 10x14 Metal Shed Best budget medium yards needing ventilated metal tool storage Check price of Polar Aurora 10x14 Metal Shed on Amazon
4 MXV 12x10 ft Metal Shed with Sloped Roof Also great compact tool storage with secure locking Check price of MXV 12x10 ft Metal Shed with Sloped Roof on Amazon
5 AECOJOY 10x20 Metal Shed with Windows Best dark gray wide access entry and dark gray finish Check price of AECOJOY 10x20 Metal Shed with Windows on Amazon
6 Sannwsg 10x8 FT Metal Shed Also great compact backyard storage with light Check price of Sannwsg 10x8 FT Metal Shed on Amazon
7 AirWire 14x10 FT Black Metal Shed Also great Wide storage needs with rust-resistant steel Check price of AirWire 14x10 FT Black Metal Shed on Amazon

Our 7 picks

Best overall

MNLR 12x20 FT Large Metal Storage Shed

Best for: storing large lawn equipment and tools

Material
Galvanized steel panels
Footprint Size
12 x 20 ft
Door Type
Lockable double doors
Frame Material
Reinforced metal frame
Assembly
3-4 adults
Roof Style
Sloped roof

View on Amazon: MNLR 12x20 FT Large Metal Storage Shed Affiliate link

The MNLR 12x20 FT shed offers a spacious 240 x 148 inch footprint for bulky outdoor gear. It uses galvanized steel panels with a rust-resistant finish and a reinforced frame for durability. Two windows and vents improve interior visibility and airflow. The sloped roof aids water runoff. You should consider this model if you need a large, sturdy storage solution for lawn equipment and garden supplies.

Pros

  • Galvanized steel panels with rust-resistant finish
  • Reinforced metal frame for added stability
  • Two windows for natural light
  • Built-in vents to reduce moisture buildup
  • Sloped roof for effective water runoff

Cons

  • Requires 3-4 adults for assembly
  • Only one height option listed in data
  • No mention of a concrete floor or base

Good fit if

  • You need ample space for large items like mowers
  • You want natural light inside the shed
  • You prefer a rust-resistant metal build

Skip if

  • You cannot find three to four helpers for setup
  • You prefer a single-door entry system
  • You need a pre-assembled unit

Verdict: The MNLR 12x20 FT Black Metal Shed is a robust option for homeowners needing significant outdoor storage space. Its reinforced frame and galvanized steel construction make it suitable for storing heavy lawn equipment and garden tools securely.

Best premium

Patiowell 12x20 FT Metal Shed with Dual Doors

Best for: storing vehicles and bulky outdoor equipment

Material
Metal steel
Footprint Size
12x20 ft
Door Type
Front doors, single side door
Features
4 air vents, 2 windows, lockable doors
Recommended Use
Cars, trucks, boats, motorcycles
Color
Black

View on Amazon: Patiowell 12x20 FT Metal Shed with Dual Doors Affiliate link

The Patiowell 12x20 FT outdoor storage shed offers a large metal steel footprint for cars, motorcycles, or equipment. It features a reinforced triangular structure for stability and dual lockable doors for flexible access. Ventilation is provided by four air vents and two sidewall windows. This black model is designed for secure, weather-resistant storage in garden or outdoor settings.

Pros

  • 12x20 FT large metal steel footprint
  • Dual access with front and side lockable doors
  • Reinforced triangular frame structure for stability
  • Four air vents and two sidewall windows for ventilation

Cons

  • No internal shelving or organization system mentioned
  • Single color option available in this model
  • No remote or smart connectivity features

Good fit if

  • You need to store a car or motorcycle
  • You want dual entry points for flexibility
  • You require natural light and ventilation

Skip if

  • You need internal shelving or racks
  • You prefer multiple color choices
  • You want smart home integration

Verdict: Patiowell 12x20 FT Black Metal Shed fits buyers who need a large, secure space for vehicles or bulky equipment with easy dual access.

Best budget

Polar Aurora 10x14 Metal Shed

Best for: medium yards needing ventilated metal tool storage

Material
Metal
Footprint Size
10x14 FT
Door Type
Lockable doors
Roof Style
Sloped roof
Features
4 vents, corner guards, lockable door
Recommended Use
Tools and outdoor essentials

View on Amazon: Polar Aurora 10x14 Metal Shed Affiliate link

If you want substantial outdoor storage in a smaller footprint than a 12x20 shed, this 10x14-foot metal model offers 162.7 by 112.7 inches of interior floor space. It features a weather-resistant metal build, integrated air vents, and a sloped roof to shed rain. A lockable door secures your tools without taking up excessive yard space.

Pros

  • Sloped roof allows rain and snow run-off
  • Integrated vents provide continuous airflow to reduce moisture
  • Reinforced corner guards provide impact protection
  • Lockable door design safeguards equipment

Cons

  • Smaller storage footprint than 12x20 alternatives
  • Windowless design provides no natural interior light
  • Ships in three separate packages that may arrive on different days

Good fit if

  • You want a 10x14-foot footprint that fits yards too tight for a 12x20 structure.
  • You prefer an enclosed, windowless design to keep tools hidden.
  • You need built-in air vents to manage condensation.

Skip if

  • You need the maximum floor area of a 12x20-foot building.
  • You want built-in windows for daylight inside the workspace.

Verdict: Polar Aurora 10x14 Metal Outdoor Storage Shed fits yards where a 12x20-foot structure is too large, giving you secure, ventilated metal tool storage on a 10x14-foot footprint.

Also great

MXV 12x10 ft Metal Shed with Sloped Roof

Best for: compact tool storage with secure locking

Material
Galvanized steel
Footprint Size
12 x 10 ft
Door Type
Double lockable doors
Frame Material
Reinforced full-frame structure
Assembly
2-4 people, 3-5 hours; ships in 2 boxes
Roof Style
Sloped roof

View on Amazon: MXV 12x10 ft Metal Shed with Sloped Roof Affiliate link

The MXV 12x10 FT outdoor storage shed offers a galvanized steel build with a reinforced full-frame structure. It features double lockable doors, windows, and a sloped roof that sheds rain and resists snow loads up to 6 inches. The 120-pound unit includes four roof vents for airflow and a gap-free door design to keep pests out. This setup suits you if you need a secure, weather-resistant space for tools or equipment in a backyard or patio area.

Pros

  • Galvanized steel construction with reinforced full-frame structure
  • Sloped roof withstands snow loads up to 6 inches
  • Double lockable doors with stainless steel hasp
  • Four built-in roof vents for air circulation
  • Gap-free door design keeps out pests and debris

Cons

  • 120-pound weight requires careful handling during assembly
  • Ships in two separate boxes for easier handling
  • 12x10 ft footprint is smaller than 12x20 ft alternatives

Good fit if

  • You need a secure, weather-resistant storage space for tools or equipment
  • You have a backyard or patio area with limited width
  • You want a shed with ventilation to prevent moisture buildup

Skip if

  • You require a 12x20 ft footprint for large equipment like tractors
  • You prefer a single-box delivery for easier assembly
  • You need a shed with a flat roof design

Verdict: MXV 12x10 FT Metal Shed fits you well if you prioritize security and weather resistance in a compact footprint. It is a solid choice for storing smaller tools and equipment where space is limited.

Best dark gray

AECOJOY 10x20 Metal Shed with Windows

Best for: wide access entry and dark gray finish

Material
Galvanized steel
Footprint Size
10x20 ft
Door Type
Double hinged doors
Assembly
2 people, about 2 hours
Roof Style
Sloped roof
Features
Windows, vents

View on Amazon: AECOJOY 10x20 Metal Shed with Windows Affiliate link

The AECOJOY 10x20 ft shed offers a large footprint for bulky gear. It features dark gray galvanized steel with a rust-resistant coating. The sloped roof sheds snow and rain effectively. Double hinged doors allow easy access for mowers and bikes. Ventilation helps keep contents dry. Assembly takes about two hours with two people. This size fits well in larger yards.

Pros

  • Galvanized steel with rust-resistant coating
  • Sloped roof prevents water pooling
  • Double hinged doors for wide access
  • Built-in air circulation for ventilation

Cons

  • Smaller 10 ft width than 12 ft alternatives
  • Heavier at 360 pounds
  • Requires two people for assembly

Good fit if

  • You need a wide entry for large equipment
  • You prefer a dark gray finish
  • You have a 10 ft wide yard space

Skip if

  • You require a 12 ft wide structure
  • You want single sliding doors
  • You prefer a lighter weight for solo setup

Verdict: AECOJOY 10x20 ft Dark Gray Metal Shed suits buyers who prioritize wide door access and a dark finish over maximum width. It is a solid choice for storing bulky items in a 10 ft wide footprint.

Also great

Sannwsg 10x8 FT Metal Shed

Best for: compact backyard storage with light

Material
Electro galvanized steel
Footprint Size
10x8 ft
Roof Style
3 beam roof
Features
4 transparent windows, vents
Recommended Use
Backyard storage
Color
Black

View on Amazon: Sannwsg 10x8 FT Metal Shed Affiliate link

This Sannwsg shed offers a 10x8 ft footprint with an 81.5-inch height. It is built from electro-galvanized steel with a 3-beam roof for structural stability. Four transparent windows and vents provide natural light and air circulation. The black finish resists rust and deformation. It is a practical option for backyard storage where you need visibility and ventilation without the bulk of a larger structure.

Pros

  • Electro-galvanized steel construction resists rust
  • Four transparent windows allow natural light
  • Vents promote air circulation
  • 3-beam roof design adds stability

Cons

  • Smaller 10x8 ft footprint than competitors
  • Requires two-person assembly
  • Shipped in two separate packages

Good fit if

  • You need a smaller footprint for tight spaces
  • You want natural light for easy item location
  • You prefer a rust-resistant metal build

Skip if

  • You need a 12x20 ft storage capacity
  • You prefer a single-package delivery
  • You want a taller structure for standing room

Verdict: Sannwsg 10x8 FT Metal Storage Shed fits buyers who prioritize ventilation and visibility in a compact, rust-resistant unit.

Also great

AirWire 14x10 FT Black Metal Shed

Best for: Wide storage needs with rust-resistant steel

Material
Electro-galvanized steel
Footprint Size
14x10 FT
Door Type
Lockable double doors
Frame Material
Metal frame structure
Roof Style
Sloping drainage roof
Interior Dimensions
168 x 114.4 x 81.5 in

View on Amazon: AirWire 14x10 FT Black Metal Shed Affiliate link

The AirWire 14x10 FT outdoor storage shed offers a footprint of 14 by 10 feet with an interior height of 81.5 inches. It is built from electro-galvanized steel for rust resistance and includes a sloping drainage roof. Four ventilation outlets and transparent windows provide natural light and airflow. This model suits you if you need a wide storage area for gardening tools or sports equipment in your backyard.

Pros

  • Electro-galvanized steel resists rust and corrosion
  • Sloping drainage roof sheds rainwater effectively
  • Four ventilation outlets improve air circulation
  • Lockable double doors with stainless steel hinges

Cons

  • Interior height is 81.5 inches, shorter than some 12x20 alternatives
  • Only one window on the front, limiting side light
  • No mention of a floor or concrete base inclusion

Good fit if

  • You need a wider 14-foot footprint for long items
  • You want natural light through the front window
  • You prefer electro-galvanized steel for rust protection

Skip if

  • You require a 12x20 footprint for maximum volume
  • You need a built-in floor for direct ground placement
  • You want multiple windows for better side visibility

Verdict: AirWire 14x10 FT Metal Shed provides a wide 14-foot base and rust-resistant steel for garden storage. It fits buyers prioritizing width and ventilation over maximum height or multi-sided lighting.

Specifications side by side

Spec MNLR 12x20 FT Large Metal Storage Shed Patiowell 12x20 FT Metal Shed with Dual Doors Polar Aurora 10x14 Metal Shed MXV 12x10 ft Metal Shed with Sloped Roof AECOJOY 10x20 Metal Shed with Windows Sannwsg 10x8 FT Metal Shed AirWire 14x10 FT Black Metal Shed
Material Galvanized steel panels Metal steel Metal Galvanized steel Galvanized steel Electro galvanized steel Electro-galvanized steel
Footprint Size 12 x 20 ft 12x20 ft 10x14 FT 12 x 10 ft 10x20 ft 10x8 ft 14x10 FT
Door Type Lockable double doors Front doors, single side door Lockable doors Double lockable doors Double hinged doors not stated Lockable double doors
Frame Material Reinforced metal frame not stated not stated Reinforced full-frame structure not stated not stated Metal frame structure
Assembly 3-4 adults not stated not stated 2-4 people, 3-5 hours; ships in 2 boxes 2 people, about 2 hours not stated not stated
Roof Style Sloped roof not stated Sloped roof Sloped roof Sloped roof 3 beam roof Sloping drainage roof
Features 2 windows, lockable doors, vents 4 air vents, 2 windows, lockable doors 4 vents, corner guards, lockable door not stated Windows, vents 4 transparent windows, vents not stated
Interior Dimensions not stated not stated not stated not stated not stated not stated 168 x 114.4 x 81.5 in
Recommended Use Lawn mowers, bicycles, garden tools Cars, trucks, boats, motorcycles Tools and outdoor essentials not stated Mowers, bikes, trash bins Backyard storage Large garden tools, sports equipment
Color Black Black Black Black Dark Gray Black Black
Dimensions 240 × 148 × 82.1 inches 38.8 × 37.5 × 63.2 inches 163 × 81.1 × 113 inches 141 × 113 × 76.4 inches 230 × 113 × 81.5 inches 87.7 × 81.5 × 81.5 inches 114 × 168 × 81.5 inches
Weight not stated 89.7 pounds not stated 120 pounds 360 pounds 192 pounds not stated
Size 12 X 20FT 12x20 FT 10x14 FT (No Window) 12x10 FT 10x20 10X8 FT 10x14 FT
Model MAPS-Z020BK-WD 1288-12BK PSS1014BT t02 16621 metal storage shed 10x8 AGJF1014BK

Frequently asked questions

Which 12x20 metal shed has the best dual access?

The Patiowell 12x20 FT Metal Shed is designed for easy dual access. It features a 12x20 foot footprint and stands 63.2 inches tall. This lower profile suits buyers who need to store vehicles or bulky outdoor equipment securely. The black finish matches most garden aesthetics while providing durable metal construction.

What is the largest metal shed alternative to the MNLR?

The AECOJOY 10x20 Metal Shed offers a 230-inch length, matching the MNLR’s depth. It stands 81.5 inches tall and weighs 360 pounds. This dark gray unit provides wide access entry, making it ideal for storing bulky items in a 10-foot wide footprint. It includes windows for natural light.

Are there smaller metal sheds if the 12x20 is too big?

Yes, the Polar Aurora 10x14 Metal Shed fits medium yards where a 12x20 structure is too large. It has a 10x14 foot footprint and stands 113 inches tall. This model provides secure, ventilated metal tool storage. It is available in black and includes windows for visibility inside the shed.

Which metal shed is best for compact tool storage with locks?

The MXV 12x10 ft Metal Shed is ideal for compact tool storage with secure locking. It measures 113 inches wide and 141 inches long. The shed features lockable doors, windows, and a sloped roof for waterproofing. It weighs 120 pounds and is suitable for gardens, patios, and backyards.

What metal shed offers the best ventilation and visibility?

The Sannwsg 10x8 FT Metal Storage Shed prioritizes ventilation and visibility. It includes windows and has a compact footprint. The unit stands 81.5 inches tall and weighs 192 pounds. This rust-resistant black shed fits buyers who need light and airflow in a small backyard space without sacrificing security.

Is there a wide metal shed with rust-resistant steel?

The AirWire 14x10 FT Black Metal Shed provides a wide 14-foot base. It stands 81.5 inches tall and includes windows for ventilation. This rust-resistant steel unit fits buyers who prioritize width over maximum height. It is designed for outdoor garden storage and offers a sturdy black finish.

Which shed is best for storing large lawn equipment?

The MNLR 12x20 FT Large Metal Storage Shed is built for storing large lawn equipment. It measures 148 inches wide and 240 inches long. The reinforced frame and galvanized steel construction support heavy garden tools. Its black color and window features add durability and natural light for easy access to stored items.

See also