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theemomof8 03-20-2013 07:23 PM

Laying pavers for a 15x15 patio in backyard
I am getting different stories on laying pavers. First should the pavers be the same height of my grass? 2. Do I need to put gravel and sand before I lay the pavers? If so how thick sand and gravel? Someone please help!

funfool 03-21-2013 02:48 PM

A few thoughts, I am no expert but have laid a few walkways before.
And you do need a good solid base for the pavers to sit on. I have used crusher fines before.
Like anything, preparation is the key to a good job. You want to remove any sod or vegetation. And then depending how high you want the pavers to sit, remove soil also.
What we have used in the past is metal edging from Home depot.
It is pretty rigid stuff, but you can flex and bend it around corners. Makes for nice meandering pathways as they wind through the yard, or can give your patio rounded corners and curves, or just use it to create square corners.

So now you need to think, do you want the finished hight at grass level?
I think it looks nicer, in years to come will be easier to mow the grass and just run the mower on to the patio to cut.

With the metal edging we use, it will hold the sand or crusher fines in place and can be above ground level.
Now you will have to use a weed whacker to trim the grass around it.
So it is a trade off.
Is less labor installing it above ground level, less soil to remove, and you do need at least 2" of proper sand or a base under it, this gives you an idea how much soil needs to be removed, plus the thickness of the paver to get it to grass level.

Hope this answers your questions, you do not need it at grass level and simply more work installing. I think it is worth it for the good looks and ease of maintenance.

Yes, you do need a solid base under it. I know that there is sand designed just for pavers and will be fine to use it.
What I call crusher fines is basically the smallest microscopic pieces of gravel. It is easy to spread and compact. We used it for a driveway along side of the house for a customer. Dumped it in 4" thick and they used the bucket of the bobcat to spread and compact it smooth. Took about an hour for them and was done.
6 years later, still looks like new, and I had a dump truck in that driveway 2 weeks ago delivering material.
Sand will be fine, crusher fines will make that patio last a lifetime with foot traffic.

theemomof8 03-21-2013 03:02 PM

Funfool thank you soooo much!! I was about to go dig some more. I appreciate that you answered all my concerns. I think I'm going to like this forum

joecaption 03-21-2013 04:00 PM

2" is not enough.

concretemasonry 03-21-2013 04:23 PM

I agree with Joe. You need a maximum 1" sand setting bed and enough base for the intended use. 3-4" base for just foot traffic, 6"+ for driveways, 8+" for streets and roads and 12-18+" for a 747 airport taxiway or harbor container storage site. Never more than 4" thick pavers.

Running a plate vibrator over the butted pavers after laid increases the strength a tremendous amount and also make the surface even.


joecaption 03-21-2013 04:56 PM

If it's dug out enough the roots will still be there and grow back or rot and compress cause the pavers to sag.

Phil Wallace 03-24-2013 02:29 PM

laying 15 x 15 pavers
I joined the conversation to ask a question about the base under pavers in a yard, but before I could ask what I wanted, I found the answer. I have got to tell you, this site is great.

joecaption 03-24-2013 02:33 PM

By the way some of the first time posters ask there questions we've had to learn to read minds, were just that good.:laughing:

Phil Wallace 03-24-2013 06:36 PM

Although my project is very small, the information I received will make my project much, much easier and hopefully have a better outcome.

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