swindmill

I've taken up part of my back yard in order to put in a patio. I'll be using some some sort of paver stone to make an 8x10 patio with a couple of walkways. Lowe's recommends 4" of base using the 'patio base' they sell, followed by 1" of sand. Is the 4" absolutely necessary or could I get away with 2" or 3"? Also, is there a less expensive option than what is sold as a patio base? It's almost $4 a bag and one bag covers 6 sq ft. at 1" depth. That obviously gets very expensive. Thanks for any help.

inspectorD

Call your local stone yard and tell them you want 2 yards of stone process for a landscape walkway. They know what you need, and most deliver if you do not have a truck.
yes ,use 4 or more inches of COMPACTED base, keeps the patio from to much movement. If you lay it loose, it settles too much.

Google, installing a brick walkway...I'm sure there are videos.
Good luck.

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swindmill

Is the 'stone process' what you recommend using as the base? And is 2 yards what is needed for 80 sq ft?

Bud Cline

Depending on where you live different terms are used to identify what you need but inspectorD has you on the right track. Buy the stone from a bulk supplier not by the bag. Try calling a concrete company like Redi-Mix or whoever is in your area. If they won't sell it to you and deliver it they will know who can. Have them dump it in your driveway so you can move it as you need it. You'll be surprised how cheap it is. I would ask for 3/4" crushed limestone and see what they say. My calculator says about 1-1/2 yards would give you more than enough for 80 square feet four inches deep.

Same goes for the sand but one yard should fill the bill. Buy it bulk. Those guys at the home centers are nuts and they are there to take advantage of unsuspecting and inexperienced soles.

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swindmill

Thanks for the info. I'll seek out a supplier. One more question about the process: Can I go ahead and excavate the area and compact the stone process in place and then put the sand and pavers down at another time? In other words, will the stone process be OK exposed for a week or so before getting the patio down?

inspectorD

It will be fine...and if it gets a little wet...it just settles in a little tighter. This is all good.
Have fun.

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Bud Cline

We haven't mentioned compacting the stone, then compacting the sand, then compacting the pavers. All can be done with a rented "plate vibrator".

If you install temporary forms (2X4's) around the perimeter you will have a plane surface on which to drag a screed board to assure your sand is plane.

You can fashion a screed board from a 2X4 by notching both ends to hang on the 2X4 forms. Adjust the notch size to allow for the proper depth of sand. Spread the stone then compact it. Spread the sand, dampen it, drag it with the screed, tamp it with the compactor, add more sand as necessary, drag it with the screed, etc, etc.

After installing the pavers, run the compactor over the pavers to settle them one last time. Sweep sand into the joints.

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swindmill

Let me make sure I understand...Before laying the sand, box the area in with 2x4's, then notch the ends of a 2x4 that will span the width of the box so that I can run it across the boxed area?

Should I use sand or that sand based grout?

Bud Cline

Correct.

NO GROUT BASED ANYTHING. Use sand. You want the flexibility the sand will offer. If the sand isn't a little damp then spray it a little to make it so.

Remember you are going to excavate for the gravel and the sand and the pavers. You want the gravel and sand below grade and contained by the edges of the dig. If you don't plan on using paver edging then excavate for the paver thickness also.

Then you'll have to do-the-math to determine how to notch the screed so that it hangs on the forms and creates the proper depth for the surface of the finished sand.

Screed the sand, tamp the sand, add any needed sand, screed the sand, tamp the sand, add more sand (if necessary), screed the sand, tamp the sand....

At some point your sand will be flat and smooth and you should be able to walk on it without too much disruption. At that point you are ready to place the pavers.

These things are really simple and actually a lot of fun. Don't forget your gloves.

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itsreallyconc

you only need 2T of mtl - here its about $10 per ton - trucking'll be your expense, not mtl !

pay attn to what the guys said & you'll be fine,,, NO shortcuts, either !