What to Know About a Barndominium Foundation  - Barndominium Homes (2024)

Building a barndominium is a great way to get the home of your dreams. A traditional home build can be incredibly expensive and will take months, if not years. A barndominium will take about half this time, though it will still require a lot of planning and dedication. One of the most important aspects of the build is the barndominium foundation.

What to Know About a Barndominium Foundation - Barndominium Homes (1)

Your foundation will support the entire home and ensure that it is structurally stable. Because of this, you will want to make sure that it is poured and constructed correctly. In this article, we have laid out everything you need to know about a barndominium foundation. By understanding some of the basics, you can set yourself up for success.

What is a Barndominium Foundation?

The barndominium foundation is the base on which your home will be built and where most of the weight is distributed.

Because of this, it is incredibly important that your barndominium foundation is as well-made as possible. While some aspects of a barndominium can be built yourself, the foundation is best left to the pros. They will know everything about building codes and safety issues that you might not be aware of.

Your foundation can make or break your home build. There is a reason why people use the word foundation to represent the most basic, structural aspect of something. Your barndominium foundation supports the entire home. Making sure that is laid and poured correctly will give you the best chance of a quality home.

How is a Barndominium Foundation Different?

Most barndominiums use concrete slab foundations instead of traditional ones. Concrete slab foundations are one big chunk of concrete that is the size of the entire home. A traditional foundation goes around the perimeter of the home and is not filled in the middle. With a concrete slab barndominium foundation, you get more support and better stability.

Barndominiums are built from the structure of post-frame metal buildings. This means that their posts are driven into the ground around the perimeter of the home. Because of this, a concrete slab foundation is perfect for this kind of home. The posts holding up the structure of the home can be driven into the slab, which will make them very stable.

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Requirements of a Barndominium Foundation

The requirements for a barndominium foundation will be different for each region of the country. Depending on your state, you may need to adjust the following rules. For the most part, though, your slab foundation will have to be at least two inches longer than the home. The width, though, can be exactly the same.

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Your slab will also have to be at least four inches thick, as well. However, it is usually a better idea to have the slab be six inches thick. This will be more expensive, but it will also ensure that the home is stable and safe no matter what. It will also be less likely to crack in cold weather.

Can a Barndominium Have a Crawl Space or Basem*nt?

One of the things people wonder about with a barndominium foundation is whether you can have a basem*nt or crawl space. If you are laying down a concrete slab foundation, you will not have room for a crawl space or basem*nt. The foundation will be completely solid and there won’t be any space between the ground and the floor surface.

However, it is possible to include a basem*nt or crawl space if you have the right design. One of the things you will need to do, though, is check your local building codes. Some municipalities will not allow you to have anything aside from a slab for a metal building. This is an incredibly important consideration and will save you money on fees and rebuilds down the line.

Can I Pour My Foundation Myself?

One of the benefits of building a barndominium is the fact that it is so much cheaper. This is partially because a lot of the work that has to go into a barndominium can be done yourself. However, you should not try to pour your barndominium foundation yourself. This is an incredibly precise part of the job and should be done by a professional.

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When choosing a builder for your barndominium foundation, experience is key. If possible, find a concrete contractor who specializes in these kinds of foundations. They will know how to solve any problems that come up and can ensure that everything is done correctly. They will also be sure that everything is up to code and that it will last for years.

What to Consider When Choosing a Barndominium Foundation

One of the most important things to consider when laying a barndominium foundation is plumbing. Because the slab is completely solid, you will have to lay out the plumbing at the same time. This means that the design will have to be correct before beginning. Making sure that your plumbing fixtures are in the right spot will keep the whole process running smoothly.

The best way to make sure that your barndominum plumbing will be ready to go is to have a detailed floor plan. Your floor plan will dictate where all the rooms are and what spaces need plumbing access. Nailing down your floor plan will have benefits far beyond the planning stage. You and your builder can follow it for the foundation pouring and it will keep everything organized.

Conclusion

By understanding the basics of a barndominium foundation, you can start yourself on the right foot. Getting everything planned and ready to go will streamline the whole process. With the right floor plan and a good builder, you simply can’t go wrong. Your barndominium foundation is crucial and you will have to have it planned down to the last inch.

If you would like more guides like this one, be sure to check out the rest of Barndominiums.co. There, you will find more tips and tricks from the pros, including information about financing and insurance. You will also find featured barndominiums. These homes will get you thinking about your own home and get you inspired to design your own floor plan.

What to Know About a Barndominium Foundation  - Barndominium Homes (2024)

FAQs

What kind of foundation does a barndominium need? ›

Absolute Steel barndominiums and kit homes are designed to be anchored to a concrete footing or slab.

What are the negatives of barndominiums? ›

If you're considering building or buying a barndominium, consider this list of downsides before you sign your name on a dotted line:
  • Location Limitations. ...
  • Financing. ...
  • Corrosion. ...
  • Noise. ...
  • UV Exposure. ...
  • Wiring Challenges. ...
  • Reselling.
Oct 19, 2022

Are there load bearing walls in a barndominium? ›

A barndominium floor plan is very different from traditional homes, which must be designed with load bearing walls that limit creativity and possibilities. A barndo's steel framing eliminates the need for load bearing walls, making it easy to split a home into flexible living quarters and working spaces.

How thick should a barndominium foundation be? ›

For barndominiums up to 1,500 sq. ft., most recommendations fall between a 4” and 6″ thick slab. This accommodates moderate traffic and furnishings adequately without excessive concrete use. The steel perimeter beams of barndominium kits require less internal slab support than wood framing.

Why are barndominiums hard to insure? ›

While a barndominium is very similar to a traditionally built home, insuring them can be much more difficult. There can be several reasons why insurance companies are hesitant to insure these structures. The primary reason is that these homes are non-standard construction, which means they lack historical data.

What is the life expectancy of a barndominium? ›

The average lifespan of a barndominium is between 50 and 150 years. The lifespan difference is based on what it's made of, how well it's maintained, and extreme weather. Wood barns tend to last longer; however, they can also be more susceptible to damage from natural disasters, dampness, insect damage, or rot.

Are barndominiums prone to mold? ›

While barndominiums can be designed and constructed to be mold-resistant, they are not immune to mold growth if these preventive measures are not properly implemented. Proper construction practices, material selection, and ongoing maintenance are critical to ensuring that a barndominium remains mold-free.

Is it hard to get a mortgage for a barndominium? ›

The biggest challenge to getting a barndominium loan is that lenders require an appraisal to determine a property's value before they can approve a loan. If there are no other recent barndominiums sales in the area where you want to buy, it may be difficult to get approved for a loan.

What is the truth about barndominiums? ›

Many people believe that barndominiums are simply converted barns or cheap, makeshift homes. However, the reality is that barndominiums can be just as luxurious and well-built as traditional houses. In fact, many barndominiums are custom-built using high quality materials and incorporate modern design elements.

What does a barndominium kit include? ›

Our standard steel frame kits include everything you need to build your home. Err … barn. That means all main framing, secondary framing (for all steel), exterior metal siding, metal roofing, trim, closures, fasteners and stamped building plans.

What are the pros and cons of a barndominium? ›

The benefits of barndominiums encompass their lower cost, customization flexibility, reduced maintenance, robustness, spaciousness, and eco-friendliness. On the flip side, they come with certain drawbacks like increased initial expenses, potential hurdles in securing loans, and restrictions in certain urban areas.

What is a good size barndominium? ›

Just like a traditional home, a barndominium floor plan can be made to be any size and customized to your specifications. However, there are sizes that are more common for barndos: 40x30 (1200 square foot) 40x60 (2400 square foot)

How long does it take to build a barndominium from scratch? ›

Conclusion:In total, you can expect the construction of a barndominium to take around 5 to 9 months from start to finish. However, this is a rough estimate, and the actual time can vary based on several factors such as design complexity, weather conditions, and material availability.

Why don t barndominiums have basem*nts? ›

Traditional barndominiums, whether they're made with a post frame or steel frame, have their post columns firmly rooted in the ground. When incorporating a full basem*nt, these posts might have to be fixed to brackets atop the foundation.

What makes a barndominium cheaper to build? ›

A large prefabricated metal barndominium, like 2,000 to 3,000 square feet, will be less expensive than building a traditional house. Barndominiums can take half the time to construct—and time is money. Less construction time translates to less labor and fewer material needs.

Can a barndominium have a crawl space? ›

You can build a barndominium on top of a crawl space and other types of basem*nt foundations. A crawl space is a short area between the ground and the bottom floor of the home. The crawl space may be built below ground, allowing the bottom of the home remains at ground level.

Do you need a vapor barrier on a barndominium? ›

As many barndominiums are constructed from metal, a vapor barrier tape will help prevent potentially damaging condensation from entering the structure. Reducing the energy costs to heat the home. Many barndominiums often have vaulted or cathedral ceilings, meaning the ceilings are not parallel to the floor.

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