Coping stone sealant

[Bazzards]

Hi guys

I am looking for concrete coping stone sealant recommendations.

I have used coping stones to top off a low retaining wall, however as they are grey they are dusty and will stain clothes if sat on.

What I need is a sealant to protect the stones and add some protection for clothes. Ideally the sealant would be clear and without altering the colour of the stones.

Any ideas?

Thank you

 

[Bluecube]

Wash the dust off? Even if you apply a sealant, dirt and dust will just sit on top off the sealant

 

[Bazzards]

I have tried that, but because the concrete is quite porous, it leaches onto clothes. I don’t mind a little bit of dirt, but this is dark grey concrete dust.

 

[Armageus]

Watered down PVA glue will do it - 1 part PVA 4 parts water iirc

But test somewhere inconspicuous first as it can obviously change the appearance of stonework leaving a slightly shiny finish

 

[Bazzards]

Thanks you, will give that a go on a small section. Cost effective as well if it works. Will report back.

 

[j.col]

Or try SBR (waterproof latex) its very similar to PVA, but it is waterproof once dry?
We often use it to seal porous concrete blocks before sticking tiles to them.

 

[sovietspybob]

Watered down PVA is a pretty standard way to seal anything concrete, as you've found it'll forever release dust, there's no washing it off as it just produces more until you seal it.

 

[ANDARIAL]

imprinted concrete drive sealer is what i used on out coping stones,did not alter the colour any that i noticed
available in colours or matt or gloss

 

[Jimmeh]

Have been using Floorseal products for a few years. Never let me down yet.

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