What are the dimensions of the floor joist span table?
Floor Joist Span Table Size Spaced (o.c.) Species/Grade ( 40 lb/ft 2. Live Ld) Species/Grade ( 40 lb/ft 2. Live Ld) Species/Grade ( 40 lb/ft 2. Live Ld) 2" x 6" 24 9-0 7-9 8-8 2" x 8" 12 15-0 13-6 14-5 2" x 8" 16 13-7 12-3 13-1 2" x 8" 24 11-11 10-3 11-3 10 more rows ...
How far can you span a floor joist?
For joists located in the center of a span, spans can be up to twice as long. For example, floor joists that are 16 inches on center (16″ o.c.) will have maximum spans of 23’3″ if using 2×12 Douglas Fir dimensional lumber.
What is a floor joist?
A floor joist is a structural member that distributes the weight of a building to the foundation. When weight is applied to the floor structure, the floor joist absorbs and transfers it to the foundation. The floor joist span is the distance between two load-bearing walls or beams.
How do you determine the span of a deck joist?
These tables can also be used to determine deck joist span. For example, in the joist span table below, the highlighted cell shows that 2" x 8" Southern Yellow Pine joists, that have a grade of #2, and are spaced 24" apart can have a maximum span of 10 feet - 3 inches (10-3) if designing for a live load of 40 lbs/ft 2.
How far can LVL floor joists span?
Although, you may be wondering how far an LVL beam can span. Due to its strength, the LVL beam can span up to 60 feet and is much stronger than conventional lumber. Generally, you can find laminated beams in 4-foot increments starting at 24 feet and going up to 44 feet long, with special orders up to 60 feet.
How far can a 2x8 LVL floor joist span?
Based on different manufacturers' specifications, the maximum span a 2×8 LVL is from 12' to 15'. Spans are also affected by the species of wood used in the manufacture of the laminated joists, with western woods edging out eastern woods in unsupported span distance.
How far can you span an LVL beam without support?
So, the longest unsupported span possible using LVL would be 80-feet. Typically, though, it is common for a continuous LVL span to be between 20' and 30'.
How far can you span a 2x12 LVL?
As per general thumb rule and guidelines, a double 12″ lvl beam can allow span upto 20 feet far distance used for residential building or projects.
How far can a 2x10 LVL beam span without support?
How Far Can a 2×10 Beam or Header Span? A 2×10 beam – made up of two 2x10s nailed together – can span up to 11' without support beneath a deck that is 4' wide. For a more normal-sized deck, the same beam can span 8', supporting a deck that is 8' wide. You can also triple a 2×10 beam.
What size LVL Do I need to span 14 feet?
What size LVL header size for 14 foot span:- as per general thumb rule and guidelines for a 14 foot span, size of LVL header or GLULAM should be 14 inches deep and 3.5 inches wide, thus you need something like 2- 1.75″× 14″ (2- 1 3/4″× 12″) GLULAM or LVL header to span upto 14 feet.
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 ...
What size LVL Do I need to span 24 feet?
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.
Do LVL beams sag?
Your wood/LVL will sag much more. What you are describing is ultra typical when there is a point load above and they used LVL. I don't know why cities keep allowing the use of LVL for anything more than 10 feet. It will look great and then year 2-3 it starts sagging... year 4-5 you get cracks and notice it...
What size LVL Do I need to span 16 feet?
For span upto 16 feet, generally you need 3 × 7 1/4 standard size of LVL beam or 2×10 dimensional lumber at 16″ apart from centre on normal weight condition which providing great stability for your projects.
What size LVL Do I need to span 12?
What size LVL header for 12 foot span:- as per general thumb rule, for a 12 foot span, size of LVL header or GLULAM should be 10 to 12 inches deep and 3.5 inches wide, thus you need something like 2- 1.75″×14″ GLULAM or LVL header to span upto 12 feet.
How far can a 11 7 8 LVL beam span?
The rule of thumb is to divide the span by 20 by estimating the depth of manufactured beams. The beam depths are typically 5 1/2 inches, 7 1/2 inches, 9 1/2 inches, 11 1/2 inches, 14 inches, 16 inches, 18 inches, and 20 inches.
US East
To download our VERSA-LAM ® span and size chart PDFs, click on the links below.
US West
To download our VERSA-LAM ® span and size chart PDFs, click on the links below.
BC Calc
BC Calc ® performs engineering analysis to help our customers size beams, joists, columns, studs and tall walls for their building projects. It is simple to use, yet flexible enough to analyze a variety of common applications. The user enters the member geometry, adds loads, holes and other relevant data and then selects a product for analysis.