I have done a job for a client with a similar issue and we ended up using paint stripper followed by buffing the floor until no paint was left.
Cleaning paint off slate tiles.
Get a stanley blade and shave the paint off like you would a cut throat on your skin its not been absorbed by the slate its only on the surface.
As slate is soft you will be able to sand it off the slate before you reseal.
Please let me know if you try this and if you do if it works.
Paint remover step 1.
If necessary add a little water or more baking soda to make the paste thick but manageable.
Then wipe with a.
Using a clean rag liberally.
Leave the towels for 10 15 minutes and when you take up the towel clean the area with magic eraser from dollar tree.
For tougher stains mix together peroxide and baking soda into a bubbly paste.
Slate floors countertops and other surfaces are often sealed with a clear urethane finish.
Re apply the lacquer thinner if necessary.
It s vital however to know what kind of dirt or contaminant you are trying to remove before you can make a decision as to which cleaning product is best suitable.
The area should be moist when you scrape.
Any scratch marks are cured by puttin a little sealer on them.
Hi you could also use a buffing pad on an orbital sander.
Slate comes in many different colours and finishes.
Combine half a cup of vinegar half a cup of lemon juice and half a cup of baking soda in the bowl.
Cleaning slate isn t too difficult.
While acidic cleaners are generally not recommended for slate because they can etch natural.
Scrape the paint up with a razor blade placed in a razor blade holder.
Soak towels in it and put them on the floor.
Smooth the cloth gently over a painted tile.
Stripping a slate surface.
Try 1 2 cup fabric softener to 1 gallon very warm water.
After the bubbles die down apply the paste to the stain and let it set.
Apply the solution to a clean cloth.
When the slate is sealed.
Then wipe the slate clean with a damp warm.
Repeat the process with the other.
This should form a paste.
Scrape off paint with a.
Some of these are smooth whereas others have a textured surface.
How to remove paint from slate removing paint splatters.
Natural paint remover combine equal parts water and white vinegar to make a natural paint remover if you need or want an alternative to the.
Mix up your cleaning solution.
In an inconspicuous area test the tile s ability to handle the paint remover.