Sealing box gutters

Zelie4111September 13, 2013

My box gutters gave been tarred several times over the years which tells me it is probably not a great idea to use rust oleum paint as should have been done in the first place. I am looking into roof sealers instead of tar this time because the tar never seems to work. Any ideas?

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First determine if the previous coating was coal tar or modified asphalt because they are not compatible with each other and with many other waterproofing coatings. This may not be a good DIY project.

    Bookmark   September 14, 2013 at 4:27PM
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My box gutters were leaking at a couple corners when I bought the house in '87, so a few years later when the roof was redone, the roofer used a rubber membrane to line them. I haven't had leaks from them since then. It is a black rubber, which is all I can say about it--I don't think there was ice dam material back in '92, so I'm pretty sure it's nothing exotic--just make sure its well adhered.

    Bookmark   September 14, 2013 at 7:53PM
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