Sealing a Leaky Roof

  • Transcript

    LESLIE: Heading to the Great North to talk with Sharon in Alaska. What can we do for you in your money pit?

    SHARON: Hi. I have a metal roof and no attic and out on my porch it’s starting to leak. Now how can I tell if it’s leaking in the house and how can I fix it?

    TOM: Well, I mean, if it was leaking in the house, you would certainly see some evidence of moisture. But how do you fix it? Well, it depends on why it’s leaking. Generally, you can use a silicone sealant on a metal roof because it attaches very, very well to metal.

    SHARON: OK. How can I tell if it’s leaking like in between the ceiling and the roof?

    TOM: You definitely would see it because that ceiling material is not going to hold back the water. So if you’re not seeing any stains, I wouldn’t worry about it but on a dry day, if you can get up on the roof over the porch and try to figure out where it’s leaking – and if you want some help trying to figure that out, an easy way to do that is to grab a hose and work the roof one, sort of, section at a time and see if you can actually make it leak.


    TOM: And that will give you an indication as to where the leak is and then you could seal that with silicone and you’ll be good to go.

    SHARON: Now the silicone; do I have to do that again in a couple years?

    TOM: No, it’s pretty durable stuff. So I would just do it once and see what happens.

    SHARON: OK. Thank you.

    TOM: You’re welcome, Sharon. Good luck with that project. Thanks for checking in with us from Alaska.

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