• Skip to primary navigation
  • Skip to main content
  • Skip to primary sidebar
  • Skip to footer
Civil Sir

Civil Sir

A to Z Civil Guides

Search Here...


  • Brick
  • RCC
  • Tile
  • Cement
  • Concrete

How far can a 2×10 ceiling joist span without support

How far can a 2×10 ceiling joist span without support | A 2×10 ceiling joist span

Span is determined by species, grade, dimensions, spacing, use, and load. The typical on-center spacing, according to the International Residential Building Code (IRC), is 12”, 16”, 19.2”, and 24”, which means the actual space between the ceiling joist is 10.5”, 14.5”, 17.7”, and 22.5”.

Standard industry ceiling joist spacing in inches are 12”, 16”, 19.2”, and 24” on-center, which means the actual space between the joist is 10.5”, 14.5”, 17.7”, and 22.5”. Depending on all contributing factors though, 16” and 24” are commonly used for most buildings. The wider the space between joist often results in joist of greater depth too.

In the construction world, span is a word used to mean the linear distance a board, joist, rafter, or roof must bridge or cover without bending or requiring support. The distance is determined by many factors and conditions.

A rule of thumb is 1.5 times a joist’s depth but in feet when spaced at 16” centers. In general, a 2×10 will span 1.5 x 10, so 15-feet. Based on all factors though, a 2×10 joist span is 22′ 7″ to 32′-9”

There are different factors that affect how far a 2×10 can span, including use or location, species of wood, grade, the spacing between joists or rafters, and load.

There are different depth of ceiling joist are used in floor construction such as 2×4, 2×6, 2×8 and 2×10 made of different species of wood (southern yellow pine & Douglas fir) and different grade such as grade – 1, grade – 2, grade – 3. Southern yellow pine is strongest species of wood that can span more distance compared to other species of wood. Grade 1 lumber have higher strength than other grade Lumber due to fewer knots.

◆You Can Follow me on Facebook and

Subscribe our Youtube Channel

How far can a 2×10 ceiling joist span without support

A 2×10, #2 grade, Douglas fir-larch ceiling joist can span 32’ 5″ at 12” OC, 28’-2” at 16” OC, and 22’-11” at 24” OC without support at live load of 10 Psf and dead load of 5 Psf and deflection of L/240.

A 2×10, #2 grade, Hem fir ceiling joist can span 30’ 7″ at 12” OC, 27’-8” at 16” OC, and 22’-7” at 24” OC without support at live load of 10 Psf and dead load of 5 Psf and deflection of L/240.

A 2×10, #2 grade, Spruce/pine fir (SPF) ceiling joist can span 32’ 5″ at 12” OC, 28’-2” at 16” OC, and 22’-11” at 24” OC without support at live load of 10 Psf and dead load of 5 Psf and deflection of L/240.

A 2×10, #2 grade, Southern yellow pine (SYP) ceiling joist can span 32’ 9″ at 12” OC, 29’-5” at 16” OC, and 23’-11” at 24” OC without support at live load of 10 Psf and dead load of 5 Psf and deflection of L/240.

● How much topsoil do you need per square foot

● How much does a 2 cubic foot bag of mulch weigh

● How much does a cubic foot of gravel weigh

● How many bundles of shingles do i need for a 2000 square foot house

● How many studs do i need for a 10′, 12′, 14′, 16′, 20′ & 24 foot wall

Conclusion:

A 2×10, #2 grade, Douglas fir-larch ceiling joist can span 32’ 5″ at 12” OC, 28’-2” at 16” OC, and 22’-11” at 24” OC without support.

More Important Posts:―

  1. What is good size for a pergola
  2. How far can a 6 inch, 4″, 8″, 10″ & 12 inch steel i beam span
  3. How far can a triple 2×6, 2×8, 2×10 and 2×12 beam span
  4. How far can a double 10″, 12″, 14″, 16″ & 18″ lvl beam span
  5. How far can a 2×6 ceiling joist span without support

Primary Sidebar

Categories

  • AAC block (19)
  • Asphalt (1)
  • beam (9)
  • board (2)
  • Brick (61)
  • Cement (105)
  • Cement test types (2)
  • Compressive strength (10)
  • Concrete (297)
  • deck (6)
  • door (1)
  • drywall (20)
  • feet (1)
  • flooring (17)
  • gallon (1)
  • garage (2)
  • garage door (2)
  • gravel (7)
  • joists (8)
  • Land measurement (20)
  • mulch (2)
  • Paint/ putty calculator (21)
  • plywood (3)
  • Rate Analysis for civil work (2)
  • RCC (176)
  • Road/ highway (13)
  • Roof slab (41)
  • sand (2)
  • siding (17)
  • soil (2)
  • Soil mechanic (10)
  • span (9)
  • stairs (1)
  • steel (1)
  • Tile (32)
  • Uncategorized (843)
  • wallpaper (5)
  • Weight of Steel (50)
  • सिविल नॉलेज इन हिंदी (21)

Recent Posts

  • How many 50lb bags of concrete make a yard
  • How many 60lb bags of concrete make a yard
  • How many 80lb bags of concrete make a yard
  • Behind Every Successful Mission: The Vital Role of Engineering in Defense Industries

Popular Post

How many 50lb bags of concrete make a yard

How many 50lb bags of concrete make a yard…

How many 60lb bags of concrete make a yard

How many 60lb bags of concrete make a yard…

How many 80lb bags of concrete make a yard

How many 80lb bags of concrete make a yard…

Role of Engineering in Defense Industries 1

Behind Every Successful Mission: The Vital Role of…

How much does dirt weigh

How much does dirt weigh | per yard | per cubic foot…

Rebar weight per foot

Rebar weight per foot: (#3, #4, #5, #6, #7, #8, #9 &…

Footer

About Us

At CivilSir, we share all the information related to civil engineering. So if you are a civil engineering student this is the best platform where you can improve your knowledge.

Newsletter

To get update of latest post signup below by giving you email address.

Follow Us

DMCA.com Protection Status

Copyright © 2023 CivilSir About Us Guest PostContact usPrivacy policySitemap