Things You'll Need
Slate is a type of metamorphic rock that is often used as a building material in homes and yards. Some hearths are made of slate because of its attractive, natural-looking features. As with any hearth, slate hearths need to be cleaned periodically. Polishing your slate hearth will give it an extra shine that can add an eye-catching luster to your home. Using the proper materials and techniques when polishing your hearth will help it to look its best and protect it from damage.
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Wipe down the slate with a damp cloth to remove any dust or debris before polishing. Allow the slate to air dry completely.
Squirt a few drops of teak oil onto a clean, dry cloth. You can find teak oil at many home improvement stores. You also can use citrus oil for polishing slate.
Apply the oil to the slate hearth with small, circular motions.
Rub the slate once more to buff in an extra shine. This time use a clean, dry cloth. This will help to absorb excess oil and will accentuate the luster of the slate.