Learning Center · How-To & Care

How to Prevent Frost Heave on Patios and Walkways

Frost heave is the number one reason patios and walkways go uneven and crack in Connecticut. The good news: it's almost entirely preventable with the right base and drainage. Here's how.

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What causes frost heave

Water trapped under the surface
Freeze-thaw cycles lifting the base
Poor or skipped base prep

How a proper build prevents it

Excavation to the right depth
Compacted crushed-stone base in lifts
Pitch and drainage to shed water
Edge restraint and joint sand

Fixing a heaved surface

Lifting and resetting pavers
Correcting the base underneath

The Bottom Line

We build the base that prevents heave from the start. Free estimates at (203) 731-1694.

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