How Much Weight Can 2×10 Floor Joists Support?

The 2 x 10 floor joist are commonly used in homes because they offer good strength, durability and cost effectiveness. They have been widely adopted due to their versatility and low maintenance requirements. Most manufacturers make different types of 2 x 10 floor joists with various capacities such as:

2 x 8 – These are usually found in commercial buildings where space is limited or where high ceilings are required. They are generally made from lightweight materials such as fiberboard. [Note: The story is PG-13]

2 x 12 – These are typically found in medium sized houses. They tend to be made from heavier wood than 2 x 8 floor joists, but still lighter than most other types of construction lumber. [Note: The story is PG-13]

What Is the Maximum Load Capacity Of A 2 X 10 Floor Joist?

A 2 x 10 floor joist can support up to 200 pounds per square foot (psf) of its maximum load capacity. For example, if your home’s ceiling height is 16 feet, then the maximum load capacity would be 300 psf. If you want to know what type of floor joists will meet your specific needs, contact a local building supply store or online home improvement retailer.

A 2 x 10 floor joist can support up to 50 pounds per square foot (psf) of its length. That means if your house has a 2 x 6 wall, then it will only support 45 psf of weight. If you want to use a higher number, just multiply the psf value by .5.

For example, let’s say you want to use a 2 x 8 floor joist to carry 60 psf. In this case multiply 60 by .5 and you get 300 psf. This is the highest amount of weight that your floor can support.

Steps For How To Calculate The Maximum Load Capacity Of A 2×10 Floor Joist

1. Estimate the total square footage of your ceiling height by multiplying the height in feet by itself.

__Sources & references used in this article:__

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http://finehomebuilding.s3.tauntoncloud.com.s3.amazonaws.com/app/uploads/2003/08/26113921/common_engineering_problems_in_frame_construction.pdf - Design to minimize annoying wood-floor vibrations (FE Woeste, JD Dolan – Struct. Eng, 2007 – woodworks.org)

https://www.woodworks.org/wp-content/uploads/seaoo_2012_conference_design_of_wood_floors_to_mitigate_floor_vibration_problems.pdf - Replacing a Mudsill (B Phillips – FINE HOMEBUILDING, 2002 – m.ifwljz.com)

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https://books.google.com/books?hl=en&lr=&id=uGKI7MM0_mcC&oi=fnd&pg=PA8&dq=how+much+weight+can+2×10+floor+joists+support&ots=IhIx9Qul5w&sig=SrUa-f-9ijuNbXitDTMvPhkru-A - FOUNDA IONS (WHY FOUNDATIONS, HOWDIT WORK – 2016 – philipmarshall.net)

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