Things You'll Need:
- 2 qts. hot water
- 2 cups of powdered non-bleaching laundry soap
- 1 lb. powdered pumice
- 1 c. household ammonia
- 2 non-metal buckets
- Soft-bristled scrub brush
- Disposable stir stick
- Safety glasses or goggles
- Heavy-duty rubber gloves
- Cleaning rags
- Old towels or cloth tarp
- Linseed oil (available at art stores and home improvement center)
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Step 1
Mix the hot tap water and powdered laundry soap in one of the buckets. Add the ammonia and powdered pumice and mix thoroughly.
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Step 2
Lay a cloth tarp or several old towels under the fake brick that's being cleaned. The cleaning solution may be harmful to flooring or countertops.
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Step 3
Wear protective eyewear and rubber gloves.
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Step 4
Dip the scrub brush into the solution. Use a circular motion to work the solution over the bricks and loosen the surface dust and dirt. If you are cleaning a large area, work in sections.
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Step 5
Fill a second bucket with tap water. Soak the cleaning rags with water, wring them out and then wipe the surface of the brick to rinse off cleaner and loose dirt.
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Step 6
Apply a thin coat of linseed oil with a clean, lint-free cloth, once the fake brick is dry. The linseed oil will seal the surface, improve the appearance and make cleaning next time much easier.









