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One of the most frustrating scenes to walk into is a leaking chimney. It is one of the applications that you don’t give much thought to until it is too late. Because bricks, stone, masonry are extremely porous they are at high risk of leakage if left unsealed. In order to prevent water leakage, mold, mildew and efflorescence from occurring to your chimney these are the steps to take:
- Clean the chimney, make sure all mold, mildew and efflorescence are completely removed.
- Fix any cracks in the mortar, or if the chimney is severely damaged re-point the chimney.
- Use a waterproofing sealer, like this one found at homedepot.com which is a silane/siloxane blend that will waterproof and protect your chimney from future leaks and water damage for over 10 years.