Floor Joist Spans for Home Building Projects (2024)
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Need to know the correct floor joist span for your home build? This guide covers floor joists' proper sizing and spacing when constructing a new home.
![](https://www.mycarpentry.com/image-files/joist-span-tables-floor-joists.jpg)
Joist Span Table
![](https://images.thdstatic.com/productImages/9c8e8cd4-63a4-4578-866d-91b3372e175d/svn/trusses-oj1624msr21-24-64_1000.jpg)
3-1/2 in. x 16 in. x 24 ft. Open Joist OJ1624MSR21(24) - The Home Depot
![](https://cdn-codes-pdf.iccsafe.org/bundles/document/new_document_images/3120/Figure502.2.jpg)
2021 INTERNATIONAL RESIDENTIAL CODE NEW JERSEY EDITION
![](https://cdn.homedit.com/wp-content/uploads/2021/04/Floor-Joist-Spacing.jpg)
What Is A Floor Joist?
![](http://www.constructionspecifier.com/wp-content/uploads/2014/04/Floor-System_1_reduced.jpg)
Designing Floors for Optimal Performance: Understanding the impact of product choices and installation methods - Construction Specifier
![](https://cdnassets.hw.net/37/4b/7d2c53f54fc8b2e63ada23c66523/0323-pdb-right-sizing-joists-web-00.jpg)
Right-Sizing Deck Joists
![](https://cbsmn.com/wp-content/uploads/2022/04/image-1-1024x684.jpeg)
What is a Floor Joist- 16 Common Questions Answered
How far can a 2x8 floor joist span? - Quora
Deck Joist Span Chart - Fine Homebuilding
![](https://www.woodworks.org/wp-content/uploads/F05-FLOOR-JOIST-PARALLEL-TO-EXTERIOR-WALL-SEMI-BALLOON.jpg)
Floor Joists Parallel to Exterior Wall-Semi-Balloon - WoodWorks
![](https://buildersgeneral.com/wp-content/uploads/2018/08/cover-photo.jpg)
TJI® High Performance Floor Joists
![](https://storables.com/wp-content/uploads/2023/10/how-far-can-a-2x6-floor-joist-span-1697104665.jpg)
How Far Can A 2X6 Floor Joist Span
![](https://todayshomeowner.com/wp-content/uploads/2021/11/Rafters-vs-Joists.jpg)
Rafters vs Joists: What's The Main Difference? (2024)
![](https://contentgrid.homedepot-static.com/hdus/en_US/DTCCOMNEW/Articles/THHD-Pro-FloorJoistSpacing-Section4-Diagram-WF-3683001.png)
Floor Joist Spacing - The Home Depot