How do you clean a flagstone fireplace hearth?

A homemade cleaning recipe for stone that works well is to mix 1/2 to 1 cup of trisodium phosphate (TSP) with one gallon of hot water. Dip a scrub brush in the mixture, then use it to clean the stones. It’s messy, but it usually does the trick.

Can you remove stain from stone?

An oil-based stain will darken the stone and normally must be chemically dissolved so the source of the stain can be flushed or rinsed away. Clean gently with a soft, liquid cleanser with bleach OR household detergent OR ammonia OR mineral spirits OR acetone.

What should I do if I have a stain on my fireplace?

If the stain persists, try bleach and water. If the stain is still evident then try a little light sanding with a fine emery cloth. You should ensure that the surface of the fireplace and the emery cloth is dry. After sanding, wash down the area with clean water and a sponge.

What’s the best way to clean a stone fireplace?

Remember that the stone will soak up the water so a period of at least 14 days should be given for the fireplace to dry out. After scrubbing, the Fireplace should be washed down with more clean warm water using a clean sponge to absorb water and dirt. (Do not us a cloth as this will rub dirt into the pores of the stone).

How to remove a stain from natural stone?

Blot the spill with a paper towel immediately. Don’t wipe the area, it will spread the spill. Flush the area with plain water and mild soap and rinse several times. Dry the area thoroughly with a soft cloth. Repeat as necessary. If the stain remains, refer to the section in this brochure on stain removal.

Why are there etch marks on my stone fireplace?

Older stones and smoke or fire stained fireplaces may require a thorough cleaning to restore their original appearance. Commercially available “smoke removers” may save time and effort. Etch marks are caused by acids left on the surface of the stone. Some materials will etch the finish but not leave a stain.