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Old 06-24-2019, 01:10 PM   #1
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Repairing paver patio


Hello,
I am wanting to repair my backyard patio as it sinks in a number of spots (wavy surface) where rain accumulates in puddles. I am not clear on how it was initially installed, but when removing the pavers it looks like just gravel was used and no sand.

What would be the best way to sort this out?

Removing the pavers and all the gravel and starting again with new materials?

Reusing the existing gravel base and compacting/add sand/ then pavers?

Reusing existing gravel and adding plastic panel base system?

Thanks for the advice!
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Old 06-24-2019, 08:23 PM   #2
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Re: Repairing paver patio


By the time that you try to amend what is there, you would likely be better suited to pull it all up and re-do the base prior to resetting the pavers.
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Old 06-24-2019, 08:31 PM   #3
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Re: Repairing paver patio


I agree, pull it up and then assess what you have, you might get away with compacting and add sand but if you have to start over you will be happy in the end to have it done right.
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Old 06-24-2019, 10:45 PM   #4
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Re: Repairing paver patio


Definitely remove the pavers to add the sand leveling/locking layer. If the base is at least 4" you might be able to add some more and re-compact. Depends on what you find, its condition, and how much vertical height you have.
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Old 06-24-2019, 10:45 PM   #5
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Re: Repairing paver patio


Redoing another's mess, takes longer, more effort, than taking it out and starting over from step one.

The right way, is to take all the pavers up, stack them neatly on a pallet, away from the work site.

Then access the area for what it will take to restructure the base as solid as you can get it.

Compaction, retainer edgings, one inch of bedding sand, then the pavers.

Use a rubber mallet to get the pavers all flush, squared with each other, then sweep polymeric sand into the spaces, and gently water it.

Let it set and enjoy a job done right.


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Old 06-25-2019, 01:15 PM   #6
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Re: Repairing paver patio


Thanks for the replies!
The gravel base appears to be 7 inches under the pavers.

Is there a difference between using 1-inch sand vs 1-inch limestone screener? Is one better than the other?

Does anyone have any thoughts on using plastic paver panels like this:
https://www.homedepot.ca/product/bro...nel/1001043386
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Old 06-25-2019, 01:21 PM   #7
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Re: Repairing paver patio


Quote:
Originally Posted by Mike410 View Post
Thanks for the replies!
The gravel base appears to be 7 inches under the pavers.

Is there a difference between using 1-inch sand vs 1-inch limestone screener? Is one better than the other?

Does anyone have any thoughts on using plastic paver panels like this:
https://www.homedepot.ca/product/bro...nel/1001043386

Nothing to do with your questions but when you get them up, you want to check the areas that sank to see what soil in under that 7" of gravel.There may be a problem there.
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Old 06-25-2019, 02:26 PM   #8
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Re: Repairing paver patio


Quote:
Originally Posted by Mike410 View Post
Thanks for the replies!
The gravel base appears to be 7 inches under the pavers.

Is there a difference between using 1-inch sand vs 1-inch limestone screener? Is one better than the other?

Does anyone have any thoughts on using plastic paver panels like this:
https://www.homedepot.ca/product/bro...nel/1001043386
As Neil pointed out there might be some problems with the ground in the sunken areas, a spongy material, such as garbage buried there, maybe a hidden spring ( water), or something else.

Those panels look to be sturdy, and might be to cover poor ground, there was little instruction there for them.

A bit expensive, but should work very well to add stability to a mushy, spongy area.


ED
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