Flagstone still flaking after 2 years.....

19 years ago

We used flagstone as the coping around our pool. We have had our pool for 2 years now and it is still sandy all the time. We have a red flagstone and we always have red sand in our pool. The red sand coming off the flagstone has stained the grout on our tile and I can't get it off.

If I had known that the flagstone would constantly stay sandy I would never have used it.

Does it ever quit doing this? Is there anything I can use to get the red out of my grout besides re-grouting everything, which I'm not going to do.

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Comments (3)

vegasmom
19 years ago
We had red flagstone (sandstone) at our last house. After 9 years, it still washed off reddish. So, no..basically it will continue to do that.

The only suggestion I have is to seal it. (I'm going to become known for this around here!) Seal everything, people! Protect your investment! :)

This morning I had a gentleman come over and do a sample of a product line I found called DryTreat. We are using sandstone ledger for our pool, and will have a salt system.
Their product 40SK will penetrate into the sandstone and harden it like glass from the inside out, without changing the outer appearance. It is supposed to aid in the corrosive issues known to this type of stone.
In my climate, anything that forms a film over stone is a bad idea, but that doesn't mean it couldn't work for you. There are solvent based coatings and epoxies you could try that may solve your problem as well. However, these usually impart shine and darken your surface.

I'll give you a link for the DryTreat so you can research it further if you choose.

As far as the staining of the grout, I wouldn't know what to suggest. Someone else may have an answer for you.

Here is a link that might be useful: DryTreat sealers
Jenny_in_TX
Original Author
19 years ago
We do have a salt water pool, but have never sealed our flagstone. I didn't know that was an option.

Thanks for the link. I will check it out.

Has anyone else sealed their flagstone and if so what did you use?
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suzeec
17 years ago
jenny in tx - did you get your flagstone sealed? We are having very similar issues, but attributed it to hurricane Ike. Our area got about 12' surge form the bay and the pool was nasty. We got it cleaned and the pumps repaired, but the flagstone is washing away. We called our builder and he referred us to a company that distributes the dry treat and enhancer, but I was shocked when they said it was $300/gallon! We would need at least 2 gallons each, of the hardener and enhancer, which is going to cost us $1200 and that is with us applying it ourselves.

I guess if it works it is worth it, but the cost just seems so outrageous.

If you got it done, are you happy with the outcome? Did you apply it yourself or have it done. Just curious if you think it is something that should be done by a pro?

Thanks for an feedback.