
13' x 20' Extra-Large Premium Weather-Resistant Outdoor Utility Storage Shed
Product Overview
Transform your outdoor space with the 13' x 20' Extra-Large Premium Weather-Resistant Outdoor Storage Shed. Designed for durability, convenience, and versatile storage, this spacious metal structure offers plenty of room for vehicles, lawn equipment, bicycles, tools, and seasonal belongings.
Constructed with a 1mm powder-coated steel tube frame and anti-UV galvanized steel panels, this heavy-duty utility shed provides dependable protection against outdoor elements. Its large hinged double front doors, convenient side entrance, four built-in air vents, and sloped roof make it an excellent solution for residential storage, equipment protection, or an outdoor workshop.
Whether you're creating a dedicated space for gardening equipment or organizing larger outdoor essentials, this premium shed combines functional design with long-lasting steel construction.
Key Features & Benefits
- Extra-Large 13' x 20' Design: Spacious footprint provides ample room for vehicles, lawn equipment, tools, bicycles, and outdoor supplies.
- Heavy-Duty Steel Frame: Durable 1mm powder-coated steel tubing provides structural support and resistance to everyday outdoor exposure.
- Anti-UV Galvanized Steel Panels: Protective coating helps resist corrosion, sunlight exposure, and changing weather conditions.
- Wide Hinged Double Front Doors: Convenient access for moving larger equipment and vehicles into storage.
- Separate Side Entrance: Walk-in side door provides quick access to smaller items without opening the main doors.
- Four Built-In Air Vents: Strategically positioned ventilation openings promote airflow and help reduce trapped moisture and odors.
- Sloped Roof Design: Helps direct rainwater away from the structure and minimize water accumulation.
- Lockable Doors: Sturdy lock holes allow you to secure stored belongings with a compatible padlock.
- Multipurpose Functionality: Suitable for vehicle storage, gardening supplies, workshop equipment, bicycles, and seasonal essentials.
- Assembly Instructions Included: Detailed step-by-step instructions help simplify setup and installation.
Product Specifications
| Product Type | Extra-Large Outdoor Utility Storage Shed |
| Model / SKU | SAK84920 |
| Nominal Dimensions | 13' W x 20' L |
| Nominal Footprint | 260 Sq. Ft. |
| Supplier-Listed Floor Space | 240 Sq. Ft. |
| Frame Material | Powder-Coated Steel Tubing |
| Frame Thickness | 1mm |
| Panel Material | Galvanized Steel |
| Protective Finish | Anti-UV Coating |
| Roof Style | Sloped Roof |
| Front Access | Hinged Double Doors |
| Side Access | Separate Walk-In Door |
| Ventilation | 4 Air Vents |
| Security | Lockable Door Openings |
| Assembly | Required; Instructions Included |
| Recommended Use | Outdoor Storage, Garage, Workshop |
Spacious & Versatile Outdoor Storage
This extra-large utility shed offers flexible storage for a wide variety of outdoor essentials. Its convenient double-door access and separate side entrance make organizing and retrieving equipment simple.
- Vehicles that fit the available door and interior clearances
- Lawn tractors, mowers, and landscaping equipment
- Bicycles, motorcycles, and recreational gear
- Power tools, workbenches, and workshop supplies
- Outdoor furniture and seasonal decorations
- Gardening supplies and household storage
Weather-Resistant Steel Construction
Built with a 1mm powder-coated steel tube frame and anti-UV galvanized steel panels, this storage shed is designed for durability and outdoor protection. The protective finish helps reduce corrosion and wear caused by regular exposure to sunlight and changing weather conditions.
The specially designed sloped roof promotes rainwater runoff, helping minimize standing water and moisture accumulation.
Ventilation & Convenient Access
Four strategically positioned air vents help improve airflow throughout the structure, reducing trapped moisture and odors around stored belongings.
The wide hinged front doors provide convenient access for larger equipment, while the separate side entrance allows quick everyday entry. Lockable door openings offer an additional security feature for valuable tools and equipment.
Assembly & Installation
Detailed step-by-step assembly instructions are included to guide installation. Prepare a stable, level foundation and follow the supplied instructions for proper setup and anchoring.
Check applicable local building codes, permits, and installation requirements before assembly.
Shipping & Delivery
🚚 FREE Shipping Within the Contiguous United States!
- Order Processing: 1–3 Business Days
- Estimated Delivery: 5–10 Business Days
- Shipping Exclusions: Free shipping excludes Alaska, Hawaii, and Puerto Rico.
Delivery estimates may vary depending on destination, carrier schedules, and weather conditions.
Returns & Exchanges
↩️ 30-Day Returns: Eligible returns are accepted within 30 days of delivery in accordance with Backyard Perch's return policy. Return conditions, applicable fees, and exclusions are subject to store policy.
Why Choose This 13' x 20' Outdoor Storage Shed?
Combining a spacious design, powder-coated steel frame, galvanized metal panels, four ventilation openings, dual-entry access, and lockable doors, this premium outdoor shed provides a practical solution for organizing equipment and protecting valuable belongings.
Upgrade your outdoor space with dependable, spacious storage from Backyard Perch.

















