Free delivery and quick, free installation
Refundable small deposit to order
20-year warranty on 12-gauge orders

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Metal Garage, Carports and Buildings with Lean-To

Expand Your Space Easily

Metal Building Lean-To

Expand your storage or workspace with a high-quality lean-to metal building from Alan’s Factory Outlet.

Whether you need a carport, workshop, or extra storage space, our lean-to structures are built to last and designed to meet your needs.

Get a Custom Metal Building at Unbeatable Factory-Direct Prices

Instant Transparent Pricing

At Alan’s, we have nothing to hide. Get instant pricing on metal buildings online. No contact details required. No unwanted sales calls.

Fast Delivery and Installation

Alan’s Factory Outlet metal buildings and carports are delivered and installed saving you time. Delivery and installation is free.

Certified Metal Buildings

Get a 1-year craftsmanship warranty plus a 20-year rust-through warranty on optional 12-gauge framing and most roof panels.

Risk-Free Guarantee

We guarantee a 100% refund of your deposit until the day your metal building is delivered. We don’t know anyone who will match our guarantee.

What Is a Metal Building with a Lean-to Carport?

As shown in the image, it can include garage doors, walk-in doors, windows, and open or enclosed sides, offering customizable storage and shelter options.

What is Metal Building with Lean-To Carport

Advantages of Lean-to Metal Carports

Convenient Access

Open-sided lean-tos provide quick access to vehicles, equipment, and storage, making them ideal for frequently used items.

Cost-Effective Solution

Lean-tos offer an affordable way to expand covered space while maintaining durability and long-term value.

Customizable Design

From size adjustments to enclosed sections, lean-to structures can be tailored to fit different needs and property layouts.

Weather Protection

Built with strong materials, they shield your assets from sun, rain, and wind, keeping them safe year-round.

Highly Rated by Customers Across Kansas

We have a 4.8 Overall Star Rating based on more than 21,000 reviews on Shopper Approved, an independent website.

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4.8 Overall Store Rating

Three Types of Lean-To Structures

There are three main types of lean-to structures. Each of these can be paired with different barn styles to create a functional and customized metal building.

Carolina Barn

The Carolina Barn has a tall main section with shorter lean-tos on the left and/or right side of the main structure. Each section of the barn can be open, closed, or partially closed. If you fully enclose the main section it becomes a traditional-looking barn.

The Carolina Barn is a good choice if you need a carport for an RV or tractor and one or more smaller vehicles.

The leg height of the main building should be at least three feet taller than the leg height of the lean-tos.

Carolina Barn
Horse Barn

Horse Barn

The Horse Barn style has a roof that is curved at the edges, which makes it a little more cost-effective than our other barn styles. The side height of the main structure should be at least three feet taller than the side height of the lean-tos on either side. Like the Carolina Barn, each section can be open or closed, completely or partially.

Seneca Barn

The Seneca Barn has a continuous roof with a 3:12 pitch. That means if you have a 12-foot lean-to, the side height of the lean to will be three feet shorter than the main building. If you have an 8-foot lean-to, the side height of the lean to must be two feet shorter than the main building.

Seneca Barn

Reviews from Our Happy Customers

Alan’s Factory Outlet is a legitimate business with an A+ rating from the BBB.

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Why Shop Alan’s Factory Outlet for Metal Buildings?

Fast Delivery Times

Alan’s Factory Outlet metal buildings and carports are delivered and installed saving you time.
Delivery and installation is free.

21 Years in Business

Alan’s Factory Outlet has been serving customers with their carport, garage and metal building needs for over 21 years.

Minimal Requirements

You only need to provide a foundation and building permit. For buildings over 30 feet wide, a telescopic forklift rental is also required for installation.

Great Customer Service

Most customers love our easy online design and ordering process. But if you prefer to call us, our friendly building specialists are happy to help with anything you need.

Alan's Metal Garage Buyer's Guide Cover

Make an Informed Decision with Our Garage Buyer's Guide

Download our free Garage Buyer’s Guide to learn everything you need to know before purchasing a metal garage. It’s packed with straightforward advice to help you make a confident decision.

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Frequently Asked Questions

A lean-to is a simple way to add another structure to an existing building. It’s made by “leaning” rafters against a wall to form an extra roof. Free-standing lean-tos also exist, but these are generally simple structures used as shelter at a camp.

We deliver lean-to buildings to Alabama, Arkansas, Florida, Georgia, Indiana, Kansas, Kentucky, Louisiana, Maryland, Mississippi, Missouri, North Carolina, Ohio, Oklahoma, Pennsylvania, South Carolina, Tennessee, Texas, Virginia, and West Virginia.

Unfortunately we can only add a lean-to to a building at the time it is installed. If you need to attach a lean-to to an existing building, you will need to build it yourself or buy a lean-to kit from a different seller.

Yes. You can add a lean-to to just one side or both sides.

Yes. The lean-tos do not need to be the same width, length, or height.

We can’t add a lean-to on the back, but we can extend the main roof to create a porch on the front or back of your building.

In most areas a 12-foot lean to is the widest option we offer.

Do you have a general question?

Get quick answers to common questions in our Help Center, an extensive knowledge base available 24/7.


Do you need something specific?

Please fill out the form on this page, or call us at 1-800-488-6903 (M-F, 8-6 Eastern).


You may also want to read our article:

How to Build a Lean-To Carport [+ Free Plan]

Customize Your Own Metal Garage or Carport With Our 3D Builder

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