The only impregnating sealer that I am aware of that promotes
anti-slip is Miracle Sealants 511 Porous Plus.
Quoting Stephen Webb <email@example.com>:
> Greetings all,
> Custys Limestone pool patio is to slippery. was honed before someone
> acid washed it trying to rough it up. Thought about hitting it with
> antique brushes to restore the finish leaving some texture.
> Comments/suggestions appreciated. Any good impregnators to reduce
> Stephen Webb
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