Cracks and sinking spots in my interlock—what now?

[azan]

I noticed that a few areas of my interlock driveway are starting to sink and shift. There are also some weeds pushing through the cracks. It was installed about 8 years ago. Is this normal wear and tear or should I be worried? What’s the best way to fix this kind of damage?

[avilynn]

That kind of shifting and sinking is fairly common with older interlock, especially if drainage wasn’t ideal or the base settled unevenly. We hired pros to fix ours and they lifted the affected areas, re-leveled the base, and relaid the stones. https://oakshs.ca/interlock-repair/ handled it for us and made the process painless. They didn’t need to rip everything up—just targeted the sunken spots. Now it looks brand new, and they even re-sanded and sealed the whole area to prevent further weed growth. Definitely cheaper than a full replacement.

[Author]

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