frost line

Examples (10)

• The foundation must be poured below the frost line in this region.
• Our plumbing is buried well past the frost line to prevent frozen pipes.
• Do you know how deep the frost line gets here in January?
• Building codes require footings to extend beneath the frost line for stability.
• The engineer mapped the local frost line before designing the retaining wall.
• If the posts sit above the frost line, the deck may heave when the ground freezes.
• In coastal areas, the frost line is shallow, but in the interior it can be several feet.
• By spring, the frost line retreats, allowing crews to resume excavation.
• The inspector flagged the trench because it didn’t reach beyond the frost line.
• Future climate projections suggest the frost line could shift northward over decades.