To determine how much concrete you’ll need per fence post ... of the hole for proper drainage and to help protect against frost heaves. Consider the size of a hole and the post’s depth ...

Flare the sides on concrete footings so the footings will resist heave in harsh winters when frost penetrates especially deep. Greater width at the bottom will also distribute weight over a larger ...

To understand how to combat frost heaving, it’s helpful to know what ... and even structures or concrete slabs. As soil temperatures warm, the ice melts and the ground settles—sometimes ...

It can cause the concrete to crack and as the soil pushes upward, the road and sidewalk can become uneven. A trailer bottoms out as it is pulled through a frost heave in Old Orchard Beach ...