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@hugo7
Finally sealed the black limestone patio (photos of it still wet/impregnating).
I'd say this is has to be up there as one of the shittest and least rewarding diy jobs I've done. Sort of like stripping the paint of a chair with spindles with grand intentions of a natural wax finnish.
Applying the sealant is fine and quite satisfying. But it's everything up to that point.
I called it a day on trying to remove any more cement marks. Frustratingly I put some blocks under a small metal bench to avoid staining the stone before I sealed. The water runoff stained it and basically couldn't be removed.
Then it's taken me basically a week of squeezing in 30m-2hr sessions to pressure wash it. Some of the surface still has pressure wash marks/unevenness, but it's acceptable. Some of the grout has been chipped by the pressurewasher - even though I was fairly careful. Then I've had to wash it a couple of times and dry it with a leaf blower. Some of the slabs have uneven spots that catch the water so these have to be hand dried with a towel.
.... and even then its not spotlessly clean because it's fucking outside!
The blog that suggested the product recommended two coats. One can at ~£50 has done one coat and I absolutely cannot be arsed to source another can. Let alone do another coat.
Anyway it's done and I'm probably not going to do it again.
Despite the blog recommending leaving it for a while before sealing imo it would have been a lot easier to clean each stone and seal before laying. Then I assume it'd be easier to clean off before doing another coat once layed.
Anyway that's a fun update. Diy seemed more appropriate than the gardening thread.
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