Vinyl Fence Post Is Not Long Enough For Frost Line

To fix the problem you ll need to dig out the fence post and make the hole deeper.

Vinyl fence post is not long enough for frost line.

Add a few more inches of gravel then concrete. The hole depth should be below the frost line. Unfortunately you can t just lower it. The resulting pressure literally heaves the fence posts out of the ground over time.

The bottom of the concrete needs to be below frost depth so dig at least an additional 6 inches or so. Dirt then slips in beneath the concrete. The trouble begins when frost starts to heave your concrete upward using the tops of those v shaped concrete footings to grip them since the tops form a lip. Setting post holes correctly is essential to creating a solid foundation for your fence.

Like wood fences they look great as long as you set the posts plumb and in a straight line. Add to favorites reading time. Watch the frost line. Typically in part to ensure that posts lodge below the frost line experts call for a hole deep enough to submerge the bottom third of the post below ground.

Typically this means to a depth of 30 inches 24 inches for post 4 inches for gravel and 2 inches below ground level. Vinyl fences come either panelized or as board and rail systems. Install a vinyl fence. If you re thinking about a new fence consider this.

For a six foot tall post therefore. When installing fence posts it is vital that you set the posts properly to prevent frost heave. 12 inches for a 4 inch by 4 inch post. A properly set fence post avoids the possibility of frost heave.

As the temperature drops over the winter the ground freezes and all the water in it expands and pushes against things like fence posts. It sounds like the post hole wasn t dug deep enough and below the frost line. 5 minutes fence post depth size and anchoring systems can make or break your fence line. Your fencing is raised as a result.

The process is then repeated next winter raising your fencing a bit further. Common fence installation problems include not setting post holes deep enough not factoring sloped ground into the design and utility line damage during excavation. Tie mason s string to the batter board to mark the line where the edges of the posts will be set. Vinyl fences last practically forever with no maintenance whatsoever.