How far can a 2×12 beam span without support?

15 feet and 10 inches
As the table shows, no 2×8’s meet the span and spacing requirements, but a 2×10 with an E of 1,300,000 psi and Fb of 1093 psi can span 15 feet 3 inches – more than enough. A 2×12 with an E of 800,000 psi and Fb of 790 psi also works, since it can span 15 feet and 10 inches.

How long can I span a 2×12?

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 12 12 24′ – 8″
16 21′ – 4″
24 17′ – 5″

How far can a double 2×12 LVL span?

Due to its strength, an LVL beam can span up to 60 feet and is much stronger than traditional lumber. Generally, you can find LVL beams in 4-foot increments starting at 24 feet and going up to 44 feet long, with special orders up to 60 feet. LVL beam thickness is usually between 1 ¾ and 7 inches.

How big of a beam do I need to span 20 feet?

Wood beam size for a 20 foot span:- as per general thumb rule, for a 20 foot span, size of wood beam or lumber joist should be 2×14 which placed at 16″ apart from centre used for residential building or projects or construction in which depth of section of beam is 350mm (14″) and width of beam is 50 mm or 2″.

What size beam do I need for a 24 foot span?

LVL beam size for a 24 foot span:- as per general thumb rule, for a 24 foot span, size of LVL beam or GLULAM should be 12-14 inches deep and 4 inches wide, thus you need something like a 12-14″ GLULAM or LVL to span upto 24 feet used for residential building or projects.

What size beam do I need to span 16 feet?

Wood beam size for a 16 foot span:- as per general thumb rule, for a 16 foot span, size of wood beam or lumber joist should be 2×10 which placed at 16″ apart from centre used for residential building or projects or construction in which depth of section of beam is 250mm (10″) and width of beam is 50 mm or 2″.

Can a 2X10 span 20 feet?

2×10 floor joists can span up to 20′. … If you have Spruce-pine-fir lumber, then your span changes to 13′ 7” for 16” joist spacing. Redwood can support a 2×10 joist up to 13′ – one entire foot less than Southern yellow pine.

What size beam do I need to span 30 feet?

What size lvl beam for a 30 foot span:- as per general thumb rule, for a 30 foot span, size of LVL beam or GLULAM should be 16-18 inches deep and 4 inches wide, thus you need something like a 16-18″ GLULAM or LVL to span upto 30 feet used for residential building or projects.

What size beam do I need for an 18 foot span?

What size lvl beam for a 18 foot span:- as per general thumb rule, for a 18 foot span, size of LVL beam or GLULAM should be 9 to 10 inches deep and 3 inches wide, thus you need something like a 9-10″ GLULAM or LVL to span upto 18 feet and can use simple 2×12 dimensional lumber at 16″ apart from centre as floor joists …

Can a 2×10 span 18 feet?

A #2-2×10 joist can span between 11′-5” and 18′-0”, as a rafter between 13′-9” and 21′-7”, and as a beam 3′-6” and 13′-0” or more. The span depends on spacing, lumber species, and grade, and for a beam, the lamination thickness, as well as numerous other factors.

How far can a 2×12 span on a deck?

Deck Joist Span Chart
Joist Spacing (o.c.) 24″
Douglas Fir-Larch, Hem-Fir, Spruce-Pine-Fir 2×10 11′-1″
2×12 12′-10″
Redwood, Western Cedars, Ponderosa Pine, Red Pine 2×6 6′-10″
2×8 8′-8″

How far can a 2×10 span without support on a roof?

Max. Live Load 20 lbs/ft2 (956 N/m2)
Maximum Span (ft – in)
Nominal Size (inches) Rafter Spacing, Center to Center, OC (inches) Lumber Grade
2 x 10 12 27′ – 6”
16 25′
24 20′ – 9”

What size beam do I need to span 15 feet?

Wood beam size for a 15 foot span:- as per general thumb rule, for a 15 foot span, size of wood beam or lumber joist should be 2×10 which placed at 16″ apart from centre used for residential building or projects or construction in which depth of section of beam is 250mm (10″) and width of beam is 50 mm or 2″.

What size beam do I need for a 10 foot span?

Thus, for a 10 foot span, you will need atleast 3-2×8 or 6×8 size of wood beam. For a 10-foot spans, the wood beam has to be at least 8 inches in depth and 6″ in width (3-2×8) used for residential building or projects.

What size header Do I need to span 12 feet?

4×12 size header is needed for a 12 foot span or opening.

What size lumber can span 16 feet?

What size floor joist to span 16 feet:- as per general rules and guideline, a 2×8 (2-by-8) size of floor joists made of southern yellow pine, graded as #1 can allows joist spans up to 16 feet for a live load of 30 pounds per square foot and deceased load of 10 pounds per square foot when spaced 16 inches apart.

What size LVL Do I need to span 14 feet?

What size lvl beam for a 14 foot span:- as per general thumb rule, for a 14 foot span, size of LVL beam or GLULAM should be 7 to 8 inches deep and 3 inches wide, thus you need something like a 7-8″ GLULAM or LVL to span upto 14 feet and can use simple 2×10 dimensional lumber at 16″ apart from centre as floor joists …

What size LVL do I need for a 20 foot span?

What size lvl beam for a 20 foot span:- as per general thumb rule, for a 20 foot span, size of LVL beam or GLULAM should be 10 to 12 inches deep and 3-1/2 inches or 2ply wide, thus you need something like a 10-12″ GLULAM or LVL to span upto 20 feet and can use simple 2×14 dimensional lumber at 16″ apart from centre as …

How far can a 16 GLULAM beam span?

As per thumb rule & general guideline, for a 16 foot span, size of GLULAM beam should be 10 1/2 inches deep and 3 1/2 inches wide, thus you would need something like a 3 1/2″× 10 1/2″ GLULAM to span upto 16 feet length.

Can you span 16 feet with a 2X6?

2-grade 2×6 joists can span up to 10 feet 9 inches from beam to beam when spaced the standard 16 inches apart with a maximum live load of 30 inches per square foot. … Select Structural lumber, meanwhile, can span up to 11 feet 4 inches.

What size beam do I need to span 32 feet?

LVL beam size for a 32 foot span:-as per general thumb rule, for a 32 foot span, size of LVL beam or GLULAM should be 16 to 18 inches deep and 4 inches wide, thus you need something like a 16-18″ GLULAM or LVL to span upto 32 feet and can use simple 2×18 dimensional lumber at 16″ apart from centre as floor joists used …

How big of a beam do I need to span 28 feet?

What size lvl beam for a 28 foot span:- as per general thumb rule, for a 28 foot span, size of LVL beam or GLULAM should be 15-16 inches deep and 4 inches wide, thus you need something like a 15-16″ GLULAM or LVL to span upto 28 feet used for residential building or projects.