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  1. #1
    Andy Jarchow's Avatar
    Andy Jarchow Guest

    Default What causes nail pops in a roof?

    Is it just because the wrong nails were used or the nails are not long enough?

    If you just reset them wonít they pop back up again?

    How do you fix the problem?

    Do you recommend a roofer if there are just a few nail pops lifting the shingles above even if they havenít caused a hole yet?

    Thank you?

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  2. #2
    Ted Menelly's Avatar
    Ted Menelly Guest

    Default Re: What causes nail pops in a roof?

    Many, many reasons for nail pops.

    As far as recommending a roofer...is that the only thing you found?

    I would use in this particular case...qualified individual. I just don't want them getting on the roof, sliding off and then saying that they were just following my instructions.


  3. #3
    Join Date
    Mar 2007
    Location
    Connecticut
    Posts
    1,828

    Default Re: What causes nail pops in a roof?

    With expansion and contraction of the roofing underlayment throughout the seasons, roofing nails will often extrude.
    Resetting and tarring the head to hold in place will usually work. Typically it will be a nail that was not set real well at install.
    Annual inspection and maintenance to roof will do.


  4. #4
    Andy Jarchow's Avatar
    Andy Jarchow Guest

    Default Re: What causes nail pops in a roof?

    Quote Originally Posted by Ted Menelly View Post
    Many, many reasons for nail pops.

    As far as recommending a roofer...is that the only thing you found?

    I would use in this particular case...qualified individual. I just don't want them getting on the roof, sliding off and then saying that they were just following my instructions.
    The roof was is good condition except for 8 nail pops. I just told him they should be reset. I didn't know about the tar thing. I didn't recommend a roofer. Maybe I should have it was about a 10/12 or 12/12 pitch

    Thank you all
    mk


  5. #5
    Join Date
    Mar 2007
    Location
    Chicago, IL
    Posts
    2,797

    Default Re: What causes nail pops in a roof?

    A few other possible causes:

    Roofing Nails That Pop Up

    Michael Thomas
    Paragon Property Services Inc., Chicago IL
    http://paragoninspects.com

  6. #6
    Andy Jarchow's Avatar
    Andy Jarchow Guest

    Default Re: What causes nail pops in a roof?

    Quote Originally Posted by Michael Thomas View Post
    A few other possible causes:

    Roofing Nails That Pop Up
    Good info thank you!
    mk


  7. #7
    Join Date
    Feb 2009
    Location
    Southern Vancouver Island
    Posts
    4,546

    Default Re: What causes nail pops in a roof?

    A couple of pics from last week. Just one nail on the whole roof, could very well be in a seam between two sheets of OSB.

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    John Kogel, RHI, BC HI Lic #47455
    www.allsafehome.ca

  8. #8
    Ken McConnell's Avatar
    Ken McConnell Guest

    Default Re: What causes nail pops in a roof?

    I have to agree in recommending a professional roofing contractor make needed repairs in my reporting. Just good liability to always recommend a professional contractor.

    Ken - Quality Home & Building Inspections


  9. #9
    Ted Menelly's Avatar
    Ted Menelly Guest

    Default Re: What causes nail pops in a roof?

    Hey

    Here is a good roof for you. I was doing my do diligence today checking for nails and how many and what type. With thumb and fore finger I slightly lifted the edge corner of several shingles around the roof. No pressure in the slightest and as it was only a quarter inch off the roof in the beginning the entire run in many areas lifted. A slight more pressure and not ripping shingles at all and the lift kept going.

    The pic below can see the thumb and forefinger barely lifting and the whole run started to lift I have about 8 more pics of different areas.

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  10. #10
    Andy Jarchow's Avatar
    Andy Jarchow Guest

    Default Re: What causes nail pops in a roof?

    Quote Originally Posted by Ted Menelly View Post
    Hey

    Here is a good roof for you. I was doing my do diligence today checking for nails and how many and what type. With thumb and fore finger I slightly lifted the edge corner of several shingles around the roof. No pressure in the slightest and as it was only a quarter inch off the roof in the beginning the entire run in many areas lifted. A slight more pressure and not ripping shingles at all and the lift kept going.

    The pic below can see the thumb and forefinger barely lifting and the whole run started to lift I have about 8 more pics of different areas.

    Roofing company had to make some budget cuts so they decided not to use so many nails. Looks like a pattern did they only put two nails in each and only on the right side?
    mk


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