Therefore 2 of post will be in the ground.
Fill vinyl fence post concrete.
Racking a vinyl fence.
An alternative is to keep them out of the ground and fill the holes to ground level with concrete.
Filing the hollow inside of the vinyl fence post that is underground with concrete also helps to keep it from sinking into the ground.
The mistake most homeowners make though is thinking that a 3 foot deep hole equates to setting a post 3 feet deep.
Any screws driven through the pvc become embedded in concrete and the rebar ties the two pours together.
Gravel is sometimes used under vinyl fence posts not for drainage but to provide a footing in soft soils so the hollow post doesn t sink into the soil over time.
Use the formulas above for volume.
Our vinyl fence installation experts at future outdoors always set vinyl and wood fence posts 3 feet into the ground for our 6 foot and taller fences for extra stability and strength.
The result is an extremely solid concrete post that extends from below the frostline to 2 feet above grade.
Installing a vinyl fence.
You need twenty 20 4 nominal round posts.
Once you ve finished digging your post holes add about three to four inches of gravel into the bottom and compact it using a post or a 2x4.
The hollow pvc posts act as forms as i fill them with concrete though it s not necessary to fill them all the way to the top.
For fences over five feet and for solid fences such as privacy fences that buffer a lot of wind you should rebar and fill each line post with concrete as well.
Fast setting concrete is ideal for installing fence posts since it doesn t need to be mixed in a bucket or a wheelbarrow.
Otherwise stop filling the holes with concrete about 4 in.
Using concrete with vinyl fence posts is most definitely the best way to ensure that your vinyl fence will last a lifetime.
If you pour the dry concrete into the post and add water i would say that would be much less effective as pouring in wet already mixed concrete.
Plan your fence and follow the rules.
In this it would be my suggestion to make the cement more so on the drier side.
For line posts this is generally sufficent for fences five feet or less in height.
Let s use an example to illustrate what we covered above.
If a new fence installation is in your future contact best vinyl to get a free estimate.
Example fence post concrete calculation.
Note that 4 posts are actually 3 in diameter.
Let s say we are installing a 6 fence.
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If you check hopefully your corner and end posts are filled with concrete but generally line posts are not.
But if you have even the slightest gap in that fence post the cement will slip out.
If you want to keep grass from growing around the posts trowel mounded concrete slightly above grade so water will drain.
