Can I use aluminium leaf guards (the mesh caps that go in the downspout) in copper gutters?

I want to keep leaves from going down the downspouts, but heard that the aluminium will interact with the copper. Is that true?

yes – it’s called ‘dissimilar metal contact’ one of the two will accelerate the corrosion process, you’ll have to use something made of copper or plastic.

3 Responses to “Can I use aluminium leaf guards (the mesh caps that go in the downspout) in copper gutters?”

  1. starrwoode says:

    that ive never heard of
    References :

  2. Bear Naked says:

    Yes it is true. Combining aluminum and copper will create a force field that traps both alpha and beta waves, from entering or leaving. The resulting Field will cause a negative force flow to interfere with all radio, television and cell phone communications. Studies have inferred that it also detracts from a woman’s ability to be satisfied. Don’t say you weren’t warned!
    References :

  3. T squared says:

    yes – it’s called ‘dissimilar metal contact’ one of the two will accelerate the corrosion process, you’ll have to use something made of copper or plastic.
    References :

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