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I'm probably the only person on here who won't find your update dull, thanks for that! It looks to be well worth doing, only a slight colour loss and the bonus benefits you mentioned.
Colin_the_Bald-
It's funny, the massive ballache of the prep made me disillusioned and assume it would be pointless. However, now I'm glad I put the work in. Especially when seeing how bad the UV damage is on patches of the spares - I think the whole thing would look a lot more like council concrete pavers without it.
Plus I think resealing it will be easier as I'm hoping the prep will just be cleaning and drying as I've done the work of removing the grout and cement stains.
When you apply you can see the areas with excess sealer sort of sit on the surface. So I'm hoping that I'll be able to gauge how to apply to the higher/lower wear areas.
hugo7
Slightly dull update, but possibly useful.
2 months on this is how the sealant has held up on black limestone. I'll give another update a year in.
It's been rinsed off now and then, but otherwise generally abused by the kids with scooters, stones etc. I'm sure cleaning would bring it up a bit better, but I sort of wanted to show what it's like in reality day-to-day.
My assessment overall is that it is worth doing:
Minty fresh:
Today (with and without sealant):