## How much weight can a 6 inch post hold?

A 6×6 with 12′ span can support 2000 lbs. if you assume a conservative 1400psi bending stress. If you do a good job bonding the two members together, your double 6×6 can support more than 4,000 lbs.

## How much weight can a 4 by 4 post hold?

What I figured if the weight is distributed evenly is that each 4×4 post is supporting a max of about 420 pounds. If there is no strong wind, a 2×4 measuring at least 8 feet can support at least 1,000 pounds vertically.

**How much weight can a 12×12 post hold?**

per foot or about 2,100 lbs. total for a 12′ span.

**Is a 4×4 post load bearing?**

If the beam follows the jack down, the post is clearly load bearing. If the beam does not move as the jack is lowered, you will be able to see space between the top of the jack and the beam, and you will know that the post is not load bearing.

### How much weight can a 6 by 6 hold?

If you assume a conservative 1400psi allowable bending stress, a single 6×6 with 12′ span can support about 2000 lbs. So your double 6×6 can support at least 4000 lbs (possibly more if you do a good job bonding the two members together so that there’s no slip between the faces).

### Are 6×6 fence posts better than 4×4?

The standard is 4×4. 6×6 posts make it look more substantial if you do it as a privacy fence. You can use 6×6’s if you’re doing a “good neighbour” style fence. …

**Should I use 4×4 or 6×6 for pergola?**

To adequately support the lumber overhead as well as give the pergola a sturdy look, you’ll probably need to use 6×6 for the support posts. For a very small pergola with only 4 to 6 feet between posts, 4×4 supports will work. Most pergolas are constructed square to the nearest building structure.

**How much weight can a 2 by 10 hold?**

1,200 lbs.

Each 2×10 will support 1,200 lbs.

#### How much weight can a pressure treated 4×4 hold horizontally?

The amount of weight that a 4×4 can support horizontally will depend on the type of wood you are using, the grade of wood, and the length of the board itself. Your average yellow pine 4x4x8 will be able to hold up to two tons (4,000 lbs), with the correct vertical support beneath it.

#### Are two 2×4 stronger than one 4×4?

When used vertically, 4x4s are stronger than two 2x4s. However, if you need a horizontal surface, two 2x4s will be stronger than one 4×4. A 4×4 should not be used horizontally for anything structural.

**How far can a 6 by 6 span?**

What is the maximum span for a 6×6 beam? Each 6×6 beam only spans 12 feet, of which 2 of those feet are supported by a knee brace.

**How big of a hole do I need for a 6×6 post?**

10″

A 6×6 post requires a 10″-diameter hole. Shovel a 6″ layer of gravel into the hole to provide drainage.

## How much weight will a 4×4 post hold?

What I figured if the weight is distributed evenly is that each 4×4 post is supporting a max of about 420 pounds. Thereof, how much weight can a 2×4 hold horizontally?

## How tall is a 4×4 deck support post?

4×4 Deck Support Posts – #2 SPF ((Live + Dead Load of 50psf)) Post Height (in feet) Axial Compression Load Tributary Area for Corner Posts (Maximum Tributary Area for Center Posts (Maximum 2 17,578 lbs 50sq.ft. 160sq.ft. 3 16,433 lbs 50sq.ft. 160sq.ft. 4 14,477 lbs 30sq.ft. 160sq.ft.

**Which is better a 4×4 or a 6×6 post?**

However, an 8-foot 4×4 supports 6468-pounds and 2339-pounds at 14-feet, while a 6×6 is 18032 and 10550-pounds respectively – or 64% and 78% more load capacity. So, for posts 3-feet and shorter, it’s a matter of preference, above 3-feet use 6×6.

**How is the capacity of a post determined?**

Shaded values are limited by the perpendicular-to-grain bearing load, P c ⊥, when posts bear on wood sill plates. Where posts and sill plates are different species, Designer shall limit allowable load to the lower of the post or the perpendicular-to-grain load for each species used.