The result is an extremely solid concrete post that extends from below the frostline to 2 feet above grade.
Fill vinyl fence post concrete.
If you want to keep grass from growing around the posts trowel mounded concrete slightly above grade so water will drain.
Note that 4 posts are actually 3 in diameter.
You need twenty 20 4 nominal round posts.
For line posts this is generally sufficent for fences five feet or less in height.
If a new fence installation is in your future contact best vinyl to get a free estimate.
Therefore 2 of post will be in the ground.
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.
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.
Installing a vinyl fence.
Racking a vinyl fence.
Let s say we are installing a 6 fence.
Filing the hollow inside of the vinyl fence post that is underground with concrete also helps to keep it from sinking into the ground.
Any screws driven through the pvc become embedded in concrete and the rebar ties the two pours together.
Let s use an example to illustrate what we covered above.
The mistake most homeowners make though is thinking that a 3 foot deep hole equates to setting a post 3 feet deep.
Example fence post concrete calculation.
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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.
Plan your fence and follow the rules.
An alternative is to keep them out of the ground and fill the holes to ground level with concrete.
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.
Below grade and pack in soil on top of the wet concrete.
Otherwise stop filling the holes with concrete about 4 in.
When the concrete stiffens but before it hardens work the pins of a.
But if you have even the slightest gap in that fence post the cement will slip out.
Fast setting concrete is ideal for installing fence posts since it doesn t need to be mixed in a bucket or a wheelbarrow.
Next post best tips on how to clean a vinyl fence.
Use the formulas above for volume.
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.
In this it would be my suggestion to make the cement more so on the drier side.