Is 2 Feet Deep Enough For Fence Posts?

How deep should a fence post be in the ground?

Dig 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)..

Is 1 ft deep enough for fence post?

You should always bury one-third of your fence post underground. … This means that unless you are building a 2-foot fence, which is unlikely in any garden, a 1-foot hole will not be deep enough to support your post. For main and gateposts, you should dig the holes an additional 6 inches deep.

How long will pressure treated posts last in the ground?

3) A deck built with pressure treated wood will last a long time. Promotional literature promises lifelong performance for pressure treated wood. The Forest Products Laboratory and other research groups have shown that treated wood stakes placed in the ground for more than 40 years remain rot-free.

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.

Will wooden posts 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. … The concrete at the top should be sloped away from the post to grade level to avoid water pooling around the base.

Do I need gravel under concrete?

Whether you pour concrete for a walkway or patio, a strong gravel base is required to prevent the concrete from cracking and shifting. Gravel is especially important in clay soil because it doesn’t drain well, which results in water pooling under the concrete slab and slowly eroding the soil as it finally drains.

How do I fill the gap between fence post and house?

Cut a piece of leftover vinyl or aluminum rail to fit the gap between the post and the house. Fasten the fence post to the wall using a 10in long lag screw with a 1.5in washer. You will want to cover up the exposed bolt next to the house with the leftover vinyl or aluminum piece you just cut.

What is the maximum distance between fence posts?

8 to 12 feetMost fence posts can be spaced 8 to 12 feet apart. While this is a general criteria, it doesn’t cover all scenarios. For instance, high tensile fence can have larger spacing, requiring line posts every 15 to 20 feet for field fence styles, and as much as 20-30 feet for high tensile barbed and smooth wire.

How do I keep my post from rotting in the ground?

You can protect cedar posts by soaking the ends in a bucket filled with copper napthenate (Jasco, Copper Green Wood Preservative and others). It takes time for the chemical to fully penetrate, but a soaking treatment will deter pests and water rot for years.

How many bags of concrete do I need for a 10×20 slab?

For a 10 x 10 slab, you would need 77 60-pound bags or 60 80-pound bags. If we add an extra 10%, that’s an extra 8 60-pound bags or 6 80-pound bags.

How much concrete do I need for fence posts?

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.

Should I use concrete for fence posts?

Concrete is the most secure material for setting fence posts, especially if you have sandy soil. … Using premixed concrete rather than dry concrete will ensure ultimate security. While concrete is sturdy, it lacks the drainage of gravel and can trap moisture, ultimately leading to rot.

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 do you keep fence posts from rotting in concrete?

Consider Adding Posts to Concrete From here, you should fill the hole with about 6 inches of gravel. This will prevent rotting by ensuring that the post is kept dry when water makes its way into the soil. Place the post in the gravel, then fill with a batch of cement until it reaches the top of the hole.

How many bags of quikrete do I need for a fence post?

Remember, the depth of the post hole should be one-half of the above-ground post height. (Example: For a 6 feet above ground post, use a post with an overall height of 9 feet and place 3 feet in the ground). The calculator will indicate the number of 50 lb. bags of QUIKRETE® Fast-Setting Concrete you need.

How long will wooden posts last in concrete?

Reason being that the old chromated copper arsenate (CCA) wood treatment was banned in 2004 and modern treatments are no where near as good. Life expectancy of posts now is anywhere from 18 months to 5-7 years max.

Do you put concrete inside vinyl fence post?

Why Do You Need Concrete For Vinyl Fence Posts? Vinyl fence posts are arguably the most important part of a fence. For a fence to withstand the elements, regular wear-and-tear, and gravity, the posts must be strong and secure. Best Vinyl recommends using concrete to install fence posts for a number of reasons.

How thick should fence posts be?

For example, if you have a 3 inch wide post that you need to sit over 1.83m (6ft) in height above the ground, we recommend the hole size should be: 230mm [wide] (9”) x 600mm [depth]. This rule of thumb that can be followed for all size posts (e.g. a 6ft high fence would require a hole depth of at least 600mm or 2ft).

How deep should a 8 foot fence post be?

about 2 feetMany builders use 8-foot posts and bury them about 2 feet deep in concrete, leaving a small margin for trimming the tops of the posts to the finished height after the posts and/or the fence panels are installed. Using 10-foot posts allows for deeper burial and leaves more wiggle room for trimming the tops.

What size post should I use for a 6 foot fence?

The depth of the post hole needs to be 1/3 to 1/2 the height of your fence. For example, if you are building a fence that’s 6 feet tall, you will need a hole that is at least 2 feet deep. That also means that you’d need to use an 8-foot post.

How many bags of concrete do I need for a 4×4 fence post?

Mix two 50lb bags of concrete with water in a mixing tub or 5-gallon bucket. Add concrete into the hole and around the 4” x 4”. Depending on your climate, let concrete set up for 24 – 48 hours.