Said It Here

Backyard paver patio collapsed in the center

A sudden collapse in the middle of a paver patio often happens when the base underneath washes out or settles unevenly, leaving the surface unstable. This makes the area hazardous to use and requires shoring up the surrounding pavers before you can safely rebuild the foundation.

Overview
People affected3 accounts across 1 forum
Workarounds found6 items attempted
Community agreement14 total upvotes

What people tried

Every workaround mentioned in the threads below. We haven’t tested any of them — and nobody here is claiming they worked.

Found another way around this?

Share your steps and trade-offs so fellow engineers don't have to reinvent the wheel. No account required.

  1. 1
    Waiting until the dry season to dig or repair
    Did this help you?
  2. 2
    Picking up the sunken pavers, filling the area, tamping the base, and resetting the pavers with polymeric sand
    Did this help you?
  3. 3
    Calling the paver installer or builder to check warranties
    Did this help you?
  4. 4
    Taking photos and videos to evaluate the situation without aggressively excavating
    Did this help you?
  5. 5
    Reusing existing stone with mortar to stabilize them
    Did this help you?
  6. 6
    Building another mini wall to sit under new edging stones
    Did this help you?
Tried another approach not listed above?+ Share your workaround ↑

In their words

Unedited, grouped by where they were said, most upvoted first within each place, each linked to the thread it came from.

r/Landscaping3 people · September 2026

“I have this exact thing happening with my patio.”source ↗

myfourthquarter · r/Landscaping · 12 upvotes

“This morning, I looked outside to check on the dogs and found our patio had a collapse in the center.”source ↗

livknine · r/Landscaping · 2 upvotes

“However, I'm unsure how to finish this raised edge.”source ↗

“Currently it's natural stone (dry stone without mortar AFAIK) and this concrete edging sitting atop (poorly mortared), it's unstable.”source ↗

“Could anyone give me ideas/examples of a better solution?”source ↗

chriggy28 · r/Landscaping

Where this came up

People with this problem also raised