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General brick-cleaning steps:
1. Consider the brick type and the substance
that stains its surface when selecting the
proper cleaning solution.
2. Cover or otherwise protect nearby objects
including doors, plants, and windows. Some
brick-cleaning solutions may damage them.
3. Use a garden hose to get a small area of
brick wet. Note the rate at which the brick
absorbs water. If the brick becomes dark
quickly, clean just a small area of brick at
a time. If the brick doesn’t become dark
quickly, you may clean up to 100 square feet
of brick at a time.
HOME TIP: Don’t skip testing the
brick’s rate of water absorption. It’s vital
information in determining how much
brick you can clean at one time.
