Remove as much paint as you can without scratching the slate.
Remove paint from slate fireplace.
The discoloration is where the brass doors had been.
There is a stone facade over block.
Stone facade over block hearth with some of the paint removed with a gel stripper.
Heat can also quickly remove paint from wood but not from stone.
Holding a plastic scraper at a 45 degree angle remove paint from tile starting from an outside edge and working your way in.
If you re just trying to remove a few paint spatters heat scraping and slate safe solvents are all options but if you re.
The mantel is the same material as the hearth.
I believe the mantel and hearth are slate.
A stained slate hearth can ruin the look of your fireplace and living room as slate is a porous type of rock that easily absorbs stains.
Be patient when.
Keep slate clean by understanding the proper way to take.
Be careful not to sand through the bottom most layer of paint as any.
There is a product in the uk called home strip which works really well i have used it to remove paint and varnish from stone fireplaces.
If this us product is the same it should work and it is non toxic.
I am concerned that there will be a residue of paint leftover.
As far as rocks go slate is fairly porous.
That can make paint removal problematic because the metamorphic rock is too soft to clean with a pressure washer or sand blaster which are go to remedies for removing paint from brick and concrete and it scratches easily.
When working outdoors you can avoid the tedium of stripping by using a sandblaster but that procedure is too invasive to use in your living room.
Sand the mantel lightly with fine to medium grit sandpaper.
We have used a stripper on the hearth and have had some succes.
Often it will lift off quickly in satisfying strips.