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diypat
Cleaning of exterior brick on chimney

I live in the Pacific NW and the exterior of our brick chimney needs to be cleaned of moss and mildew. What is the best process to do this? I have heard that you can seal the bricks. Is this recommended? Any suggestions on what to use to seal the bricks?Thanks:)

robertallen
Re: Cleaning of exterior brick on chimney

Use light type brush and other stuff. But avoid any chemical and so called cleaner as they damage it more than clean.

mikemezz
Re: Cleaning of exterior brick on chimney

I used a pressure washer and did seal it. Been one year - so far so good.

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