What patching material to use


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Old 07-09-17, 12:35 PM
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What patching material to use

My terrace floor had some hollow sounding, raised spots with hairline cracks that took longer to dry after it rained so I broke them open and now the aggregate is exposed and I have to choose a patch. The concrete patch instructions said it's best for under 1/2" and the fast setting cement patch is good from 1/4" to 2". Most of the edge of the hole is shallower than 1/4". Should I chisel out that shallow area so it's at least 1/4" deep then use the cement patch? I bought Sakrete fast setting cement patcher but I could still return it.

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Old 07-09-17, 12:50 PM
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I would use a vinyl patch.
 
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Old 07-09-17, 06:12 PM
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This is what my local concrete supplier recommends. I have some spalling on my driveway and hopefully get to it this year.

It's the only exterior product they say will survive!

https://www.normet.com/product/tamseal-10f/
 
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Old 07-09-17, 06:39 PM
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Marq, I'm not familiar with that product, but it's instructions say: TamSeal 10F should not be left unprotected, but covered by tiles or other protective coatings.
 
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Old 07-09-17, 08:37 PM
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OK, I returned the quick set cement patch and I'll order latex patch.
 
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Old 07-09-17, 08:58 PM
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I generally like to brush on some bonding agent before applying the patch.
 
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Old 07-09-17, 10:38 PM
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The data sheet for Quikrete Vinyl Concrete Patcher says "Do not use with Concrete Acrylic Fortifier, Concrete Bonding Adhesive or other bonding agents." Which has me a little worried because I think I want to resurface the terrace eventually to even out the color and I hope the resurfacer will stick.
 
 

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