Question: How Deep Should A 6×6 Post Be In The Ground?

Why deck posts should not be set in concrete?

A deck post should always be placed on top of footing, not inside concrete because it can break.

Concrete tends to absorb moisture and wood expands when it gets wet, so these two factors combined will result in the wood breaking the concrete..

Will a wood post rot in concrete?

Simply setting the posts in concrete does create a condition that will accelerate rot in the bottom of the posts. With pressure-treated posts, the rot will be slow. … This allows any moisture that gets between the concrete and the bottom of the post to percolate through the gravel and away from the bottom of the post.

How much concrete do I need for a post hole?

To calculate how much concrete you need, you need to know the post size you are going to use and how many posts you are installing. Your post diameter and height determine how big each hole needs to be. As stated above, fence post holes should be 3 times the diameter of your post and 1⁄3 as deep as your post.

How do I keep my post level while concrete dries?

Fill the hole up to a depth of 8 inches from ground level with 1/2-inch drainage gravel. Use rough-cut gravel with sharp edges. It will hold the post better than smooth rock.

How deep should a 6×6 post be?

The depth of your hole should be about 1/4 of the height of your post. For a 6×6 post, the diameter of the holes should be about 12 inches square. As a rule the width of your post hole should never be less than 10 inches.

How do you set a 6×6 post in the ground?

Step-By-Step Instructions:Dig the post hole, making it three times the width of the post and at a depth equal to 1/3 to 1⁄2 of the above-ground length of the post, plus 6″ (right). … Pour 6″ of gravel or crushed stone into the bottom of the hole. … Set the post in the hole.More items…

Is 2 feet deep enough for fence posts?

The minimum depth that you should dig your fence post holes for panel sections is 2 feet. A general formula is to dig the holes one-third to one-half of the post’s aboveground height. The deeper you dig the holes, the more stability your fence has, but you must also purchase longer posts.

How long will a treated 6×6 post last in the ground?

40 yearsThe treated post that are rated for ground contact are guaranteed for 40 years.

How much weight can a 6×6 post hold?

10,000lbsFor a 6′ long post of fir, 10,000lbs is right. Says this. When we build shoring for building collapses/urban search & rescue, our go-to guide is from the US Army Corps of Engineers. As this screencap from it will tell you, a 6×6 post can support 20,000 even when 12′ high—if cross-braced and secured properly.

How many posts will a bag of Postcrete do?

You’ll need to bury the posts at least 2ft In the ground. As for how many bags of postcrete you need per post, that’s purely dependant on how big you make the post holes. As a rule of thumb, when using standard post hole diggers, I average 1 bag per post. For larger holes I would allow 1.5 bags to 2 bags per hole.

How many bags of concrete do I need for a 6×6 post hole?

As I recall, a 60# bag of concrete is about . 5cf, so you’d need 3 bags per hole.

How big should the hole be for a 4×4 post?

about 12 inches wideDig post hole so diameter of the hole is 3 times the width of the post (i.e., the hole for a 4” wood post should be about 12 inches wide). The depth of the hole should be 1/3-1/2 the post height above ground (i.e., a 6-foot tall fence would require a hole depth of at least 2 feet).

Should I use 4×4 or 6×6 fence posts?

6×6 is overkill for sturdiness. 4×4 is the standard. And if you do it as a privacy fence, 6×6 posts stand out and make it look more substantial.

How long will a 6×6 post last in concrete?

40 yearsThe treated post that are rated for ground contact are guaranteed for 40 years.

Is 6×6 better than 4×4?

6×6 or 4×6 will also give you less traction in specific conditions, than a 4×4. In snow/ice and other low traction situations, you have way less traction. … Winter traction is FAR better with all the weight on 4 wheels instead of 6.