Polymeric Sand -vs- SandLock

edenger(z5 CO Denver)June 15, 2004

Does anyone have any experience with Polymeric Sand -vs- SandLock? I am building a flagstone patio and am interested in understanding which product is better for my application.

Also, are there any sand dyes that I could mix with the sand to get a red effect?



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Sand-lock is a "polymeric sand", or a polymer you can add to sand. The premix stuff is easier to handle.

I would be wary of adding things to the polymer sands, because it might mess up the stickiness.

    Bookmark   June 16, 2004 at 9:03AM
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marbls and etc can be purchased in bags or by the yard that is ground into sand of various sizes... usually there is one company in a big city with these gravels/sands.. such a company woiuld cater to people how need filter mediums, then you can mix your own poly'sand but if you are making a patio with stone having i'm not sure why you'd use it.
- A

    Bookmark   June 16, 2004 at 10:41AM
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What is polymetric sand and for what application is it used for ?

    Bookmark   June 17, 2004 at 12:09AM
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Mich -
It's sand with a synthetic admixture that is used for filling the cracks in stone or brick paving. It solidifies and holds them well, also doesn't scater all over, but stays flexible and water permeable.

There is ready-mixed sand or stone, powder to mix into dry material on-site, or a liquid you mix in or spray on. The ready-mix is good for small spots, the others for big stuff.

    Bookmark   June 17, 2004 at 9:01AM
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Thanks for the info.

As far as I know we have never used the stuff.

    Bookmark   June 17, 2004 at 11:59AM
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It's also called "Stabilized Sand" ...

    Bookmark   June 17, 2004 at 9:36PM
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for some reason none of the polymeric sands, etc have made it into the west and NorthWest markets.

    Bookmark   June 18, 2004 at 9:36PM
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I'm trying to solve what I think is the same problem. I built a beautiful tri-color patio last summer, dryset on sand with a compacted "breeze" base. I then used breeze to "grout" the joints. Survived its first winter with little to no settling; my only complaint is that the larger pebbles in the breeze work their way up to the top and eventually on to the flags, so it's not very barefoot friendly.

That's a long-winded way to say I'm exploring polymeric sand and other "joint stabilizer" formulas. What I've found is that (1) polymeric sand is virtually unknown west of the Mississippi River, and (2) the various liquid joint stabilizers I have found are designed for narrower joints, like with dimensional cut flags or pavers. A couple people have told me that they would not work for wider joints like mine (averaging about an inch between stones).

Any ideas would be welcome.

    Bookmark   June 21, 2004 at 6:59PM
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what is breeze and what is a tricolor patio-A

    Bookmark   June 21, 2004 at 11:02PM
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Per AshaK's question, breeze is crushed rock (limestone I think) that the sand/rock companies sell around here as a base material for flagstone, pavers, etc. It's probably about 80% sandy texture, with the rest being little pebbles up to approx. pea gravel size. It compacts really well as a base layer, and when used as a "grout" material it stays fairly rigid with the exception of the bigger pieces working their way out of the cracks due to foot (and paw) traffic, rain, etc.

By tri-color I just meant that I used 3 different colors of flagstone (red, beige, & sort of a carmel) to complement the stone facing on my house. It was a challenge getting the right pattern of the colors combined with the right fit of the flagstones, but worth the effort.

    Bookmark   June 22, 2004 at 6:06PM
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lindalgibson(z5 NY)

Has anyone used this product on a large limestone patio? We just put in an 800 sq. ft. patio and are so dissapointed with all of the crushed rocks coming into our house. The stones are irregularly shaped and some areas have 3 inches of gravel between them.

    Bookmark   June 28, 2004 at 12:51PM
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pnsgrits(8bFL Pensacola)

I Googled polymeric sand and also called the local Lowes. Some of their stores carry "jointing sand". The SKU number is 278095.
A long time ago on This Old House they did a walkway using a product which was suppose to be made of ground up cactus and when misted down it dried to a hard but water permable surface. It was made somewhere in Arizona. I have looked
everywhere for this product with no luck. They say it is
used on golf course paths, etc. Has anyone ever heard of this and if so where can I find the information.

    Bookmark   August 3, 2008 at 12:49PM
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Hey check out http://dynamatrix.ca for jointing sand or polymeric sand.


Here is a link that might be useful: DynaMatrix - Polymeric Sand

    Bookmark   December 31, 2008 at 9:39AM
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We sell a product called Santastic. We use it in place of Rubberized mastic. It is less mess and does not dry rot. I have used it for joints up to 3 inches in width and also at up to 30% angles. It is easily repairable.

    Bookmark   January 4, 2009 at 8:01AM
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Has anyone used a product Santastic Pool Mastic? The products is a sand mixture with a water activated polymer, sounds like a great product but want to see if anyone has used it and if there is any problem with the product before I purchase it.

    Bookmark   May 30, 2009 at 10:26AM
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I would also like info regarding others experience with this product. I need to replace the mastic around my pool.

    Bookmark   August 4, 2009 at 6:28PM
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