How do I clean calcified mortar?

Questions & AnswersCategory: Painting Interior Brick and TileHow do I clean calcified mortar?
Anonymous Staff asked 4 years ago

The brick and mortar in my basement has calcified. I want to clean it and paint it. What is the best way to clean it? What kind of paint will prevent further calcification?

1 Answers
Anonymous Staff answered 6 years ago

Clean the affected mortar with a masonry cleaner, which is a mild acid, and rinse well. Follow the manufactures cleaning and safety recommendations. An alternative is to use TSP, trisodium phosphate. While cleaning use a nylon scrub brush to loosen any heavy build-up.

You will need to prime the brick and mortar. I would use Sherwin Williams Loxon Masonry Primer, it can handle high PH conditions. After priming you can use any good interior acrylic house paint.

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