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Everything You Need to Know About Floor Joists & Band Boards

In our previous article, we discussed “Common Wet Insulation Issues.” Now, let’s continue focusing on your home’s structure and dive into everything you need to know about floor joists and band boards.

No need to wait—let’s get started!

What Are Floor Joists & Band Boards?

Floor joists and band boards (also known as rim joists) are crucial components of your home’s structural framework.

Floor joists are horizontal beams that run across the length of your home’s foundation or support walls, providing the main support for your flooring system. They distribute weight evenly and ensure the floors remain stable.

The band board or rim joist sits perpendicular to the ends of the floor joists, forming the outer edge of the floor framing. It helps secure the floor joists together and provides additional stability to the structure. The term “rim joist” is often used interchangeably with “band board,” but both refer to this vital piece that anchors the floor joists and supports the overall structure of your home.

Signs of Damage to Your Floor Joists and Band Boards

Signs of issues with your floor joists and band boards include:

If you notice any of these signs, it could mean your floor joists or band boards are compromised and need professional attention to prevent further structural damage.

What You Need to Know Next

In this post, we covered everything you need to know about floor joists and band boards, including their purpose, common issues, and signs of damage to watch for. Understanding these crucial components can help you maintain the structural integrity of your home.

There’s much more to learn about protecting your property, so in our next article, we’ll dive into “Your Guide to House Lifting.”

If you need foundation repair services, Foundation Recovery Systems offers a quick, easy, and completely FREE inspection—just click the button below to get started!

FAQs

The cost varies depending on the size of your crawl space and the extent of repairs needed. Contact us for a free inspection by our experts, who can provide an accurate cost estimate. We also offer financing options and obligation-free repair estimates. 

Often mistaken for mold, wood rot mainly affects crawl space joists and beams, leading to floor sagging. Unlike certain molds, wood rot is not usually toxic, but both can aggravate health conditions like asthma and allergies. Foundation Recovery Systems will identify the specific issue in your crawl space and provide the right solution during our free inspection. 

Neglecting wood rot only leads to its progression and expansion, attracting pests that bore into wood and causing structural issues such as sagging floors and overall structural weakening. This poses a risk to both the health of your home and its structural soundness. It’s critical to seek professional help from crawl space experts like Foundation Recovery Systems at the earliest indication of wood rot. We offer prompt and thorough evaluations during our free inspections and provide tailored repair strategies. 

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The crew from Moberly did a water proofing and steel beam reinforcement to our place in Bourbon Mo. They were awesome. Contacted me daily …

The crew from Moberly did a water proofing and steel beam reinforcement to our place in Bourbon Mo. They were awesome. Contacted me daily when they were arriving. Got the job done in the time frame they stated and cleaned up after the job Chad my point person was excellent at communicating with me when I had questions. Highly recommend this team for any basement or foundation work.

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We were extremely impressed with how thorough and informative Chad was during our inspection. His communication was excellent both before…

We were extremely impressed with how thorough and informative Chad was during our inspection. His communication was excellent both before and during his visit to our home. He took the time to clearly explain the entire process, what the home needed, and what costs we could expect. Chad was wonderful to work with and guided us every step of the way. We highly recommend him and Foundation Recovery Systems.

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Very helpful and straight forward salesman. Work crew accomplished crawlspace encapsulation on time and did great work. I thought I had an…

Very helpful and straight forward salesman. Work crew accomplished crawlspace encapsulation on time and did great work. I thought I had an issue and they immediately sent someone to check. It turned out I had a plumbing leak that they pointed out but no charge for the visit. Highly recommend.

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Jordan, Thomas and Rasheed did a great job on my waterproofing system and remained professional during the entirety of the job. I'm very…

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I can't recommend Justin Sheehan at Foundation Recovery Systems highly enough. From start to finish, his thoroughness set him apart. During …

I can't recommend Justin Sheehan at Foundation Recovery Systems highly enough. From start to finish, his thoroughness set him apart. During his inspection he caught a piece of concrete that other companies completely missed — something that could have become a real problem down the road. That kind of attention to detail tells you everything about how someone approaches their work. His write-up of the project was just as careful and clear, and I never felt rushed or upsold. If you want someone who actually takes the time to do it right, ask for Justin.

Big Crazy John (bigcrazyjohn)

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Matthew was on time. He was very professional. He went right to work evaluating my basement. The information he shared will enable me to…

Matthew was on time. He was very professional. He went right to work evaluating my basement. The information he shared will enable me to make sound decisions. I highly recommend FRS.

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Noah Guthire, Brice, Eli came to do fix our side and front steps to our house. They did an amazing job. Very friendly and helpful…

Noah Guthire, Brice, Eli came to do fix our side and front steps to our house. They did an amazing job. Very friendly and helpful throughout there process. Great communication and Very Happy with the results! Would highly recommend them!

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Craig Chiles did a great job of inspecting our house, explaining our issues and showing us options to get everything fixed!

Craig Chiles did a great job of inspecting our house, explaining our issues and showing us options to get everything fixed!

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I had Jamie, Luke, and Cordell install my drainage system. Remarkable, hardworking group doing quality work. You can feel comfortable these …

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Trevor Atwell came out for a service visit today and addressed all of my concerns and provided me with peace of mind. He answered every…

Trevor Atwell came out for a service visit today and addressed all of my concerns and provided me with peace of mind. He answered every single question no matter how big or small that I had with great explanations and examples. His wealth of knowledge in the field is evident and I hope to see him for all future service visits.

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Jessie and Camron did a fantastic job on our driveway. Showed up on time and finished quickly with quality work.

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I used Foundation Recovery Systems to do foundation repair for an investment property in Olathe. They were able to straighten one wall and…

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I honestly couldn’t recommend Timber Shelton more! He is extremely knowledgeable and ensures that you’re comfortable through every step of…

I honestly couldn’t recommend Timber Shelton more! He is extremely knowledgeable and ensures that you’re comfortable through every step of the process. Thanks again for a job well done!

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Great work, very professional, looks great.

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We are very happy with how our project went. It was completed in 1 day, as promised. FRS is the real deal!

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Kevin Macdonald came to our house and spent a very long time going over and explaining everything about the process of fixing our…

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We haven’t had our work completed so we will come back and address any concerns “if” we run into issues. What I can say is Doug Helfrich…

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Keven Macdonald was thorough and very transparent about in his valuation of our home. He made wise recommendations and quickly got us on…

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Cliff, Nolan and Rylee did an incredible job installing sump pump and fixing our foundation issues. Cliff did an outstanding job explaining …

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Leah Leitow

Leah Leitow

Content Writer

Leah is a Content Writer for Groundworks with more than ten years of experience working in the foundation repair industry. Her experience ranges from working with homeowners to find the right solution to training inspectors and staff. In her background as a Michigan journalist, she gained invaluable insight into people's lives throughout our state. Leah lives in metro Detroit with her husband and two sons.

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