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Cool sealer for stone deck

Posted on 8/9/20 at 3:27 pm
Posted by rotrain
Member since Feb 2013
390 posts
Posted on 8/9/20 at 3:27 pm
Installed bluestone on a new pool deck, havent sealed it yet. That sucker is scalding hot. Research i did prior to picking the stone made it seem like it wasnt too bad but its pretty bad.

Anyone have any succes with a cool sealer like rain guard “cool coat” or similar that reflects the heat or cools it down some way? Only have one shot left to get it right.

Thanks.
Posted by SEC. 593
Chicago
Member since Aug 2012
4040 posts
Posted on 8/9/20 at 4:00 pm to
Friends of ours, who live in Arizona, had "Kool Coat" on thier pool pavers. It worked enough that I asked why there was such a stark difference between those stones and the heat on other pavers they had other places in their yard.

I have no clue about how the environment plays a role, and if humidity could reduce the effectiveness.
Posted by rotrain
Member since Feb 2013
390 posts
Posted on 8/10/20 at 7:37 am to
Sounds perfect. Was it a clear coat or something more like a paint? Ive searched but cant find the product.

Eta: scratch that found it. “Cool Coat” by Rainguard, scroll down and there is a clear version. Again thanks for the assist.

LINK /
This post was edited on 8/10/20 at 7:42 am
Posted by Geaux1
BR
Member since Oct 2008
1806 posts
Posted on 8/10/20 at 12:34 pm to
Rotrain,
Should you decide to seal would you mind posting before and after pics? I too have bluestone coping but have yet to seal.
As luck would have it my batch of stone has high iron content so I’m dealing with rust areas. Thinking of possible cleaning then quickly sealing to help
Posted by rotrain
Member since Feb 2013
390 posts
Posted on 8/10/20 at 12:54 pm to
Sure. Just spoke w the rep at rainguard. Said its a clear nonpenetrating sealer. Leaves a film a few mils thick. Tiny air bubbles make the product work, but also make the clear go on a little hazy. You can get a sample from them, go to main page and under resources menu. Not sure if you have any spare stone laying around to test.

He said if its too hazy and i just want some relief ( its truly scalding hot) he could make a custom blend with half the bubbles. Would get some relief but not as hazy.
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