# What is the load capacity of a 2x6?

Category: business and finance construction industry
4.6/5 (15,983 Views . 27 Votes)
The type of load in question will also determine how much weight a 2x6 can hold on edge. For example, a 2x4 lumber may hold a 4-cylinder engine comfortably but may not hold a bigger one. On the other end, a 2x6 can support a V8 engine of between 600 – 700 lbs.

Also know, how far can you span a 2x6?

Deck Joist Spacing

Joist Spacing (o.c.) 12"
Species Size Allowable Span
Southern Pine 2x6 9'-11"
2x8 13'-1"
2x10 16'-2"

Also, how far can a 2x6 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. Another option are 2 X 8 rafters spaced 24 inches o.c.

Then, how much weight can a 2x8 hold?

some of it gets pretty technical in nature, and mostly relates to pounds / square foot of loading. 2x6s are generally used for ceiling joists, esp since you said 24" oc and reallllly short spans only (5 or 6 feet ). Most floor loads would be a minimum of 2x8 @ 16" oc and most preferbaly 2x10.

How much weight can a 2x6 hold vertically?

The type of load in question will also determine how much weight a 2x6 can hold on edge. For example, a 2x4 lumber may hold a 4-cylinder engine comfortably but may not hold a bigger one. On the other end, a 2x6 can support a V8 engine of between 600 – 700 lbs.

### 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.

### How much weight can a 2x6 ceiling joist hold?

Fine Homebuilding notes that 2-inch by 6-inch garage joists will support a weight of up to 50 pounds per square foot. If you overload your garage's ceiling joists, the ceiling may appear to sag from the strain.

### How far can a 2x6 deck joist span?

Decking boards span from joist to joist. If you use 5/4 decking, joists must be no farther apart than 16 inches. Decking made of 2x4s or 2x6s can span up to 24 inches.

2,200 lbs.

### How much weight can a 2x4 joist support?

If there is no strong wind, a 2x4 measuring at least 8 feet can support at least 1,000 pounds vertically.

### How much weight can a 2x4 hold?

How much weight can a 2x4 support vertically? Assuming that the load is square and there is no wind, the average 8 feet 2x4 could handle around 1,000 pounds vertically. Of course, it's wise not to push the material up to its limit, use brace and alike to secure the 2x4s whenever it's needed.

### Are two 2x6 stronger than a 2x8?

In bending, a joist composed of two 2x6's (true dimension 1.5 inches x 5.5 inches) are slightly stronger than a single 2x8 true dimensions 1.5 inches by 7.25 inches.

10' feet

### What size beam do I need to span 10 feet?

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 of a 2x6 floor joist?

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 6 16 10' - 11"
24 9' - 7"
2 x 8 12 15' - 10"

### How far can a 2x6 cantilever?

Looking at the table below, we see that 2x6 floor joists can be cantilevered up to 2 feet and 6 inches (2'-6") when the joists are spaced 16" apart.

### How far can you span a double 2x8?

For example, a double 2×8 beam can span 8-ft. -0 in. when the deck joists are 6 ft. long.

### How do you determine the beam size on a load bearing wall?

The formula for the section modulus is beam width times beam depth squared divided by 6. A two 2-by-6 standard beam has actual dimensions of 1.5-by-5.5 inches which would give a section modulus of 1.5 x 5.5 x 5.5 / 6 = 7.6 which is not enough for this example. A 2-by-8 beam would be sufficient.

### How far can you cantilever a 2x8?

If the code span tables allow a 2x8 to span 12 feet, then the cantilever can be 3 feet.

### How do you calculate floor load capacity?

Use span tables for progressively heavier loads until you find the limits of your floor. In this example, the table for a 40 psf live load/10 psf dead load floor shows that the joist in the example have a required Fb value of 1,644 and an E value of at least 2,400,000.