Asked by: Katharyn Cheharin
asked in category: General Last Updated: 26th March, 2021

What size lumber can span 24 feet?

Max. Live Load 30 lbs/ft2 (1436 N/m2)
Maximum Span (ft - in)
Nominal Size (inches) Joist Spacing Center to Center (inches) Lumber Grade
2 x 10 24 16' - 8"
2 x 12 12 25' - 7"
16 23' - 3"

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Moreover, what size lumber can span 20 feet?

Re: 20 foot clearspan beam size In that case, you need something like a 12-16" GLULAM or LVL to span the 20' and can use simple 2x8-10 dimensional lumber 16"OC as floor joists.

Likewise, how far can a 2x8 beam span without support? In general terms, joists spaced 16 inches on center can span 1.5 times in feet their depth in inches. A 2x8 up to 12 feet; 2x10 to 15 feet and 2x12 to 18 feet. The larger the deck, the larger the joists.

Also know, how far can a 2x10 span without support?

When supporting joists that span 12 feet with no overhang beyond the beam, a double ply beam can span in feet a value equal to its depth in inches. A double 2x12 beam can span 12 feet; a (2) 2x10 can span 10 feet and so on.

What is the maximum span for a 2x10 floor joist?

21 feet

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