Can you stack 6×6 posts?

Yes, they can be connected and they should have an adequate connection. The Code does not stipulate how they’re connected, but says it needs to be adequate. If the two ends are not cut perfectly “square” and there is jumping on the post, it could “slide” past the other post, especially if it’s a little wet.

How much weight can a 6×6 post hold vertically?





The load capacity of a 3-foot #2 grade 4×4 is 17,426 pounds, and a similar 6×6 is 20,834 pounds or 16% better. 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.

How far apart can 6×6 posts be?

8 feet

The maximum spacing of 4×4 deck posts should be 6 feet on center, while the maximum spacing of 6×6 deck posts should be 8 feet on center.

Can I use 6×6 for deck beam?

In a deck, the beam is the horizontal member that spans the posts (which are 6×6 in size, as we’ve pointed out before) anchored to a sonotube or screw pile for decks greater than 60cm in height, or decks attached to a building. The beams hold a lot of weight, and must be built to handle that.

How much load can a 6×6 support?





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.

Can a 6×6 be used horizontally?

Almost absolutely. A 5′ span is small enough that there’s almost no shed you could build that wouldn’t be fine on those timbers.

Can a 6×6 span 14 feet?

A #2 S-P 6×6 will span between 7′-0” and 8′-6” for joist spans of 6-feet, and 4′-2” to 4′-11” with joist spans of 18-feet depending on loads.

How do you attach a 6×6 post to a deck?

Quote from the video:
Quote from Youtube video: From the post. And then the post from the beam. So the piece of metal hardware is going to straddle. Around the post. And it's also going to straddle the beam in this case.

What is the longest 6×6 you can buy?



Product Specifications

Size & Dimension 6-inch x 6-inch
Length 22-ft
Size & Dimension .15
Wood Treatment Treated
Wood Specie Yellow Pine

What is the true dimension of a 6×6?

Plywood and Sheet Goods

Nominal Size Actual Size
2×12 1-1/2″ x 11-1/4″
4×4 3-1/2″ x 3-1/2″
4×6 3-1/2″ x 5-1/2″
6×6 5-1/2″ x 5-1/2″

Can a 6×6 span 10 feet?

To answer you question, no a 6X6 will not carry that span, even if you have only a roof to support. The strength is in the height of the beam, not so much for the width.

How much does a 16 foot treated 6×6 weigh?



Table of Pressure-Treated Lumber Weights

Weight of Pressure-Treated Lumber
4 x 14 3.5 x 13.25 13.21
4 x 16 3.5 inch x 15.25 inch 15.2 lbs
6 x 6 5.5 x 5.5 8.61
6 x 8 5.5 x 7.25 11.35

How much does an 8 ft 6×6 weigh?

They are solid and heavy about 95 pounds.

How much does Southern yellow pine weight per board foot?

The two charts below provide pound-per-square foot weights for a variety of rough lumber species and structural panels including plywood, MDF, particleboard, and melamine.



Lumber Weights.

Lumber Species Pounds per Board Foot
Southern Yellow Pine 3.27
Poplar 2.9
Sapele 3.85
Walnut 3.5

How much does a pine 2x4x10 weigh?

You know that each foot of the 2×4 weighs about 2.1 pounds. By multiplying that number times the number of feet per board (10), you know that each 2x4x10 weighs about 21 pounds.

How much does 1×6 pine weight?



Lumber Weight Chart

Weight of Dimensional Lumber
1 inch x 2 inch 0.75 inch x 1.5 inch 0.32 lbs
1 x 3 0.75 x 2.5 0.53
1 x 4 0.75 x 3.5 0.75
1 x 6 0.75 x 5.5 1.17

How much does a 4×4 treated post weigh?

A 4 in. x 4 in. x 10 ft. timber can weigh approximately 31 pounds when it is completely dry (no moisture content) and weigh between 41 and 48.5 pounds when the timber is new pressure treated for above or below ground.