Looking Beyond the Mulinsonfly 8x12 FT Outdoor Storage Shed? 6 Alternatives Worth a Look

How each alternative compares

YOPTO 8x12 FT Metal Shed with Floor Frame

The YOPTO 8x12 FT Metal Shed matches the Mulinsonfly footprint exactly at 141 by 90.4 inches and shares the same 79.3 inch height. Both units weigh the same and use metal construction with gray coloring. The YOPTO distinguishes itself by including vents for improved airflow and a sloped roof design, whereas the Mulinsonfly uses a gable roof. Both offer lockable double doors and a floor frame. If you prioritize ventilation and a standard sloped roof profile over the gable style, the YOPTO provides comparable space with better air circulation for stored items.

AECOJOY 7x7 ft Metal Shed with Double Doors

The AECOJOY 7x7 ft Metal Shed is significantly smaller than the Mulinsonfly 8x12 model, measuring 84 by 84 inches compared to 141 by 90.4 inches. It stands slightly shorter at 76.8 inches and weighs 200 pounds, which is 40 pounds less than the Mulinsonfly. Like the Mulinsonfly, it features lockable double doors and a gray metal finish. However, it includes vents and is explicitly described as waterproof. This compact size makes it a practical choice for narrow side yards or small patios where the larger Mulinsonfly footprint would not fit, sacrificing volume for accessibility in tight spaces.

LARBANKE 8x6 ft Resin Shed

The LARBANKE 8x6 ft Resin Shed differs fundamentally in material, using resin instead of the Mulinsonfly's galvanized steel and aluminum frame. Its footprint is narrower at 100 inches wide and 67 inches long, though it is taller at 90.6 inches. This unit includes windows, vents, and a ramp for wheeled gear, features absent in the Mulinsonfly. It weighs less than the metal alternative and offers a sloped roof. If you prefer a lighter, plastic construction with natural light and easier access for wheeled equipment, this resin option provides a different storage experience than the heavy-duty metal Mulinsonfly.

Greesum 5x3 ft Metal Storage Shed

The Greesum 5x3 ft Metal Storage Shed is a compact unit measuring 61 by 34.2 inches, drastically smaller than the Mulinsonfly's 141 by 90.4 inches. It stands 71 inches high and weighs only 58.4 pounds, making it much lighter than the 240-pound Mulinsonfly. Both are gray metal sheds with lockable doors and a floor. However, the Greesum lacks the spacious interior required for large items like lawnmowers. It is designed for basic tool storage in tight spots. Choose this model if you need minimal footprint and easy assembly without a foundation, accepting limited capacity in exchange for portability.

PABIMIA 6x8 FT Resin Shed with Sloped Roof

The PABIMIA 6x8 FT Resin Shed uses plastic resin rather than the metal construction of the Mulinsonfly. Its footprint is 72 by 96 inches, which is narrower but slightly longer than the Mulinsonfly's 141 by 90.4 inches. It reaches 82.8 inches in height and weighs 186 pounds, less than the Mulinsonfly's 240 pounds. Like the Mulinsonfly, it includes lockable double doors and a floor, but adds windows and vents. This resin model suits buyers seeking a low-maintenance, compact unit for smaller items. It offers a different material profile with added light and airflow compared to the all-metal Mulinsonfly.

Devoko 3x3 ft Metal Storage Shed

The Devoko 3x3 ft Metal Storage Shed is the smallest option here, measuring 39 by 40.8 inches and standing 63.2 inches tall. It weighs 59.5 pounds, far lighter than the 240-pound Mulinsonfly. While the Mulinsonfly offers a large 8x12 space with a side door, the Devoko provides minimal storage for small patio items. It features a sloped roof and lockable doors, similar to the Mulinsonfly's security features. This shed is ideal for users with very limited space who only need to store a few tools. It sacrifices the extensive capacity and dual-door access of the Mulinsonfly for a compact, footprint-friendly design.

Quick picks

Our 7 picks

1 Best overall

Mulinsonfly 8x12 FT Metal Storage Shed

Best for: dual-entry storage of lawnmowers and outdoor equipment

Material

Galvanized steel panels

Footprint Size

8x12 ft

Frame Material

Aluminum frame

Assembly

All hardware included

Roof Style

Gable

Features

Reinforced floor frame

View on Amazon: Mulinsonfly 8x12 FT Metal Storage Shed Affiliate link

This Mulinsonfly 8x12-foot metal shed gives you a galvanized steel body supported by an aluminum frame. Its 141-by-90.4-inch footprint holds large equipment such as lawnmowers and bicycles beneath a 79.3-inch gable roof. Featuring main double doors, an adjustable side door, and a built-in floor frame, it suits backyards needing flexible dual-entry gear storage.

Pros

• Aluminum frame paired with galvanized steel wall panels
• Dual-door access with double front doors and an adjustable side door
• Reinforced elevated floor frame included
• Gable roof structure for water and snow drainage

Cons

• Peak exterior height reaches 79.3 inches, limiting vertical clearance
• Includes a floor frame but provides no solid floor panels

Good fit if

• You need secondary side access to reach small tools without opening the main doors.
• You store riding mowers or bicycles requiring a wide 8x12-foot footprint.
• You want an elevated base frame to keep gear off damp ground.

Skip if

• You need an interior height taller than 79.3 inches for overhead storage.
• You want complete flooring included out of the box rather than just a base frame.

Verdict: Mulinsonfly 8x12 ft Metal Shed with Side Door fits property owners storing mowers and bikes who require secondary access from either side wall. The galvanized steel panels and aluminum framing provide a weather-resistant shell anchored by an elevated base.

2 Also great

YOPTO 8x12 FT Metal Shed with Floor Frame

Best for: storing large outdoor equipment securely

Material

Metal

Footprint Size

8 x 12 ft

Door Type

Double lockable doors

Frame Material

Aluminum frame

Roof Style

Sloped roof

Features

2 vents, floor frame

View on Amazon: YOPTO 8x12 FT Metal Shed with Floor Frame Affiliate link

The YOPTO 8x12 FT shed offers a 90.4 x 141 x 79.3-inch interior for lawn mowers or bicycles. Its aluminum frame and sloped metal roof shed rain effectively. Dual lockable doors allow wide access for large equipment. Two integrated vents improve airflow to reduce heat buildup. The included floor frame elevates contents off the ground. This setup suits you if you need durable, weather-resistant storage for bulky outdoor gear.

Pros

• Spacious 8x12 ft footprint with 90.4 x 141 x 79.3 in interior
• Aluminum frame with sloped roof for effective water runoff
• Dual lockable doors provide secure and wide access
• Two vents ensure better airflow and heat reduction
• Floor frame elevates storage off the ground

Cons

• Metal construction may dent under heavy impact
• Assembly required with no specialized tools
• Gray color only option listed

Good fit if

• You need to store large items like lawn mowers
• You want secure, lockable double doors
• You prefer elevated storage via a floor frame

Skip if

• You require a permanent foundation
• You need plastic or resin walls
• You prefer a flat roof design

Verdict: The YOPTO 8x12 FT Metal Storage Shed fits you if you need a durable, lockable space for bulky garden equipment and value elevated storage with ventilation.

3 Also great

AECOJOY 7x7 ft Metal Shed with Double Doors

Best for: small patios and narrow side yards

Footprint Size

7 x 7 ft

Door Type

Lockable double hinged doors

Roof Style

Sloped roof

Features

Ventilated, padlock-ready doors

Material

Metal

Recommended Use

Garden, Patio, Backyard, Outdoors

View on Amazon: AECOJOY 7x7 ft Metal Shed with Double Doors Affiliate link

The AECOJOY 7x7 ft outdoor storage shed offers a compact footprint for narrow side yards or small patios. Constructed from heavy-duty galvanized steel with a rust-resistant gray coating, it withstands 70 mph winds and 20 inches of snow. The sloped roof sheds rain effectively, while ventilated walls prevent moisture buildup. Lockable double hinged doors provide secure access for bikes and tools.

Pros

• 7x7 ft galvanized steel construction resists rust
• Sloped roof sheds rain and melting snow
• Ventilated design prevents musty odors
• Wide double doors accommodate bulky gear
• Padlock-ready doors for secure storage

Cons

• 7x7 ft footprint is smaller than the 8x12 ft alternatives
• No floor included in the standard configuration
• Requires two people for assembly

Good fit if

• You have a narrow side yard or small patio
• You need to store up to four adult bikes
• You want a rust-resistant metal structure

Skip if

• You require an 8x12 ft storage capacity
• You need a pre-assembled floor
• You prefer a single-door entry

Verdict: AECOJOY 7x7 ft Metal Garden Shed fits buyers with limited space who need secure, weather-resistant storage for bikes and tools. It is a practical option for patios where larger sheds will not fit.

4 Best premium

LARBANKE 8x6 ft Resin Shed

Best for: weatherproof storage with an included floor

Material

Double-wall HDPE resin panels

Footprint Size

8 x 6 ft

Capacity

280 cu ft

Door Type

Lockable double doors

Roof Style

Sloped roof

Features

Floor, ramp, vents, side window

View on Amazon: LARBANKE 8x6 ft Resin Shed Affiliate link

This 8x6-foot shed gives you 280 cubic feet of storage built from double-wall HDPE resin panels. Unlike metal alternatives, the all-plastic build will not rust or rot, and it includes an integrated floor panel with a low-profile ramp. It suits you if you need roll-in access for lawnmowers and bikes without building a separate subfloor.

Pros

• Double-wall HDPE resin build resists rust, rot, and UV damage
• Integrated heavy-duty floor panel with entry ramp included
• Side window provides interior daytime light alongside air vents
• Wide double doors with a steel locking latch

Cons

• Footprint yields 280 cubic feet, offering less room than 8x12 alternatives
• Padlock is not included with the steel door latch

Good fit if

• You want an included floor and ramp to wheel equipment inside smoothly.
• You prefer low-maintenance resin panels over galvanized sheet metal.
• You need daytime interior lighting without wiring electrical fixtures.

Skip if

• You need the larger floor footprint of an 8x12-foot structure.
• You already have a dedicated foundation and do not want a built-in floor.

Verdict: LARBANKE 8x6 Ft Resin Storage Shed fits homeowners who need weather-resistant yard storage with a built-in floor and ramp for wheeled gear.

5 Best 5'x3'

Greesum 5x3 ft Metal Storage Shed

Best for: Small tool storage in tight spaces

Material

Metal

Footprint Size

5x3 ft

Door Type

Lockable doors (lock not included)

Frame Material

Durable frame, no foundation

Assembly

Helper recommended, gloves included

Roof Style

Sloping roof

View on Amazon: Greesum 5x3 ft Metal Storage Shed Affiliate link

This Greesum metal shed offers a 5x3 ft footprint for compact outdoor storage. It features a sturdy steel frame with a sloping roof for rain runoff. The unit includes lockable doors for security, though the lock itself is not included. Weighing 58.4 pounds, it is designed for easy placement on various surfaces without a permanent foundation. It suits small gardens or patios where space is limited.

Pros

• Compact 5x3 ft footprint fits tight spaces
• Sloping roof sheds rain and snow effectively
• Lockable doors add basic security
• No foundation required for flexible placement

Cons

• Lock is not included with the shed
• Assembly requires a helper for smoother setup
• Smaller capacity than 8x12 ft alternatives

Good fit if

• You need a small footprint for a patio or tight corner
• You want a lightweight metal structure without a concrete base
• You store only small garden tools or supplies

Skip if

• You require a lock to be included in the box
• You need large storage volume for bulky equipment
• You prefer a shed with a built-in floor

Verdict: Greesum 5x3 FT Metal Shed fits users with small spaces who need a lightweight, no-foundation solution. It works well for basic tool storage but lacks included locks and ample capacity.

6 Also great

PABIMIA 6x8 FT Resin Shed with Sloped Roof

Best for: compact backyards needing low-maintenance plastic storage

Material

Reinforced resin

Footprint Size

6 x 8 FT

Door Type

Double doors (4' W x 5.54' H opening)

Assembly

Snap-fit, insert-and-lock panels

Roof Style

Sloped gable roof

Features

Built-in floor, window, air vent, lock

View on Amazon: PABIMIA 6x8 FT Resin Shed with Sloped Roof Affiliate link

This PABIMIA 6x8 FT outdoor storage shed features reinforced resin construction and a built-in floor. It measures 6 ft W x 8 ft D x 6.9 ft H with a 15 PSF snow load rating. The snap-fit assembly and integrated window and vent make it a low-maintenance option for storing lawn mowers and bikes in your backyard.

Pros

• Reinforced resin panels resist rust and rot
• Built-in floor keeps items off the ground
• Snap-fit design simplifies assembly
• Sloped gable roof supports 15 PSF snow load
• Integrated window and air vent improve interior conditions

Cons

• 6x8 ft footprint is smaller than the 8x12 ft alternatives
• Resin material may feel less sturdy than metal
• No mention of a locking mechanism for the window

Good fit if

• You need a smaller shed for a compact backyard
• You prefer low-maintenance plastic over metal or wood
• You want easy snap-fit assembly without complex tools

Skip if

• You require an 8x12 ft footprint for large equipment
• You need a metal shed for maximum durability
• You want a shed with a full floor frame included

Verdict: PABIMIA 6x8 FT Resin Storage Shed fits buyers who need a compact, weather-resistant unit for smaller items like bikes or garden tools in limited spaces.

7 Best budget

Devoko 3x3 ft Metal Storage Shed

Best for: small patios and compact garden tool storage

Material

Steel

Footprint Size

3x3 ft

Capacity

51 cu ft

Door Type

Single lockable door

Frame Material

Steel frame

Roof Style

Sloping roof

View on Amazon: Devoko 3x3 ft Metal Storage Shed Affiliate link

If an 8x12 shed is too large for your yard, this compact Devoko model provides a 3x3-foot footprint with 51 cubic feet of interior capacity. It features a steel frame, UV-resistant metal panels, and a sloping roof designed to shed water. A single lockable door secures your tools, making it suitable for tight patios and small gardens.

Pros

• Compact 3x3-foot footprint with 51 cubic feet of storage
• Steel frame with rust-, water-, and UV-resistant panels
• Sloping roof prevents rainwater accumulation
• Single lockable door for secure access

Cons

• Floor is not included
• Limited to 51 cubic feet of storage space
• Single-door opening restricts entry for wide equipment

Good fit if

• You have limited patio or yard space requiring a compact 3x3-foot footprint.
• You only need to store hand tools, small garden gear, or patio cushions.
• You already have a level platform or plan to supply your own floor.

Skip if

• You need to store large riding mowers or bulky furniture requiring double doors.
• You want an included floor structure in the box.
• You need standing interior height greater than 63.2 inches.

Verdict: Devoko 3x3 ft Metal Storage Shed fits homeowners who need compact tool storage on a small patio without sacrificing yard space.

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