What Kills Moss on Roof Tiles?

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Best Methods for Removing Moss from Roof Tiles:

  1. Chemical Solutions for Moss Removal:

    • Use a 50:50 mix of laundry strength liquid chlorine bleach and water.
    • Baking soda can also kill moss on roofs when rain is minimal.
    • Products with d-limonene (citrus oil) effectively kill existing moss in 2-3 days.

  2. Preventing Moss Growth:

    • Only remove moss if it’s blocking gutters or drainage points, as removal can damage roof tiles.
    • Painting the tiles after moss removal helps prevent regrowth.
    • Ensure proper roof maintenance to preclude moss growth.

  3. Homemade Moss Killer:

    • Mix 1 1⁄2 to 3 1⁄2 cups of distilled vinegar with 2 gallons of water for a safe and effective moss killer.

Best Practices for Moss Removal on Tile Roofs:

  • Scraping or Plucking Moss:

    • Before applying a cleaner, gently scrape or pluck the moss using a scrub brush.
    • Work in small sections with downward strokes to protect the shingles.

  • Alternative Moss Removal Method:

    • If shingles are undamaged, consider carefully power-washing the roof to avoid cracks that can lead to water seepage.

  • Preventing Moss Growth:

    • Ensure proper roof maintenance to deter moss growth, such as improving drainage and keeping the roof clean.

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