## What is the maximum span for a 4X12 beam

Dimensional Lumber Deck Beam Span ChartJoist SpansDouglas Fir-Larch, Hem-Fir, Spruce-Pine-Fir, Redwood, Cedars, Ponderosa Pine, Red Pine4X129′-8″3-2X66′-5″3-2X88′-3″3-2X1010′-2″17 more rows.

## How far can a 2×12 span without support

In general terms, joists spaced 16 inches on center can span 1.5 times in feet their depth in inches. A 2×8 up to 12 feet; 2×10 to 15 feet and 2×12 to 18 feet.

## What size beam will span 16 feet

In general terms, joists spaced 16 inches on center can span 1.5 times in feet their depth in inches. A 2×8 up to 12 feet; 2×10 to 15 feet and 2×12 to 18 feet. The larger the deck, the larger the joists.

## What size beam is needed to span 22 feet

Use one 22′ long W8x48 steel beam down the center of your 22’x28′ rectangle. This steel beam is 8.5″ deep, plus a 1.5″ deep wood nailer plate, plus 0.75″ floor sheathing, means that the floor is 10.75″ at the deepest point. Then use 2×10 joists spaced at 16″ on center spanning 14′ on each side of the steel beam.

## What size beam do I need to span 14 feet

According the charts I have, you would need a 6×12 beam on each side to support 7680 pounds over a 14′ span (assuming you want less than a 1/360 deflection).

## How far can you span a 12 LVL beam

A double 2×12 beam can span 12 feet; a (2) 2×10 can span 10 feet and so on. What size do LVL beams come in? Sizes may vary according to manufacturer but Georgia Pacific says LVL standard thicknesses are 1 3/4 inches and 3 1/2 inches.

## How big of a beam do I need to span 30 feet

If you have a 30-foot span, it is important to know just how long a beam you will need for support. There is a good rule of thumb for this: divide your span (in inches) by 20. So, if your span is 30 feet (or 360 inches) you would divide that by 20 to come to 18 feet.

## What size beam do I need for a 20 span

you looking around 4×14, 4x 16 for a 20′ span. i would use a glue lam and not a solid beam ( 1 pc ). steel would be best for strength and space.

## How much weight can a 2×12 beam hold

approximately 2,100 poundsA 2×12 can hold approximately 180 pounds per foot or approximately 2,100 pounds in total.

## How far can a triple 2×12 beam span without support

of 14 feet for a triple 2×12.

## What size lumber can span 20 feet

Similarly, you may ask, 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 2×8-10 dimensional lumber 16″OC as floor joists.

## How far can a 2×6 beam span without support

How far can a 2×6 Rafter span without support? The table states that 2 X 6 rafters spaced 16 inches on center (o.c) can span a maximum distance of 13 feet 5 inches.

## Can a 4×4 span 12 feet

So 4×4 posts every 7 feet, single 2×6 beams, and 2×6 rafters spanning about 12 feet. … That’s all fine except for the beams.

## How far can a 6×12 beam span

16′ is the furthest you can go with a 6×12 doug-fir no. 2 pressure treated beam.

## How far can a 6×6 beam span without support

Each 6×6 beam only spans 12 feet, of which 2 of those feet are supported by a knee brace. So technically the beams only span 10ft.