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  1. #1
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    Default Specifying hold-back of natural wood siding above roofs

    Does anyone have a source specifying the required hold back of natural wood siding above roof coverings?

    Thanks.

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    Michael Thomas
    Paragon Property Services Inc., Chicago IL
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  2. #2
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    Default Re: Specifying hold-back of natural wood siding above roofs

    Siding above roof coverings?? Please clarify.

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  3. #3
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    Default Re: Specifying hold-back of natural wood siding above roofs

    Quote Originally Posted by Bob Knauff View Post
    Siding above roof coverings?? Please clarify.
    See attached.

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    Michael Thomas
    Paragon Property Services Inc., Chicago IL
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  4. #4
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    Default Re: Specifying hold-back of natural wood siding above roofs

    Quote Originally Posted by A.D. Miller View Post
    3. ROOF AND GROUND CLEARANCE
    Trim that extends down to a roof (dormers, second floors, etc.) and decks requires a minimum of a 2 inch gap to
    avoid wicking. Trim, such as water table or skirt boards must be a minimum of 6 inches above the grade.

    From: http://www.wrcla.org/pdf/WRCLA_Installing_Siding.pdf
    Thanks. I also found this, with a diagram, see pp14:

    www.fpl.fs.fed.us/documnts/usda/hgb203.pdf

    Last edited by Michael Thomas; 07-09-2010 at 05:48 PM.
    Michael Thomas
    Paragon Property Services Inc., Chicago IL
    http://paragoninspects.com

  5. #5

    Default Re: Specifying hold-back of natural wood siding above roofs

    1/2" here (cedar shakes/ shingles): http://www.cedarbureau.org/installat...wallmanual.pdf


  6. #6
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    Default Re: Specifying hold-back of natural wood siding above roofs

    Thank you both. That 1/2" recommendation was a surprise.

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

  7. #7

    Default Re: Specifying hold-back of natural wood siding above roofs

    That 1/2" recommendation was a surprise.
    Yep, I don't like it one bit.

    Michael, your link in post #5 is dead.


  8. #8
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    Default Re: Specifying hold-back of natural wood siding above roofs

    Quote Originally Posted by Brandon Whitmore View Post
    Yep, I don't like it one bit.

    Michael, your link in post #5 is dead.
    BW, Try fixing the cut & paste error/addy (removing the erroneous "inspectionnews.net/home_inspection/www/" ) like this:

    http://www.fpl.fs.fed.us/documnts/usda/hgb203.pdf


  9. #9
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    Default Re: Specifying hold-back of natural wood siding above roofs

    Quote Originally Posted by Michael Thomas View Post
    Thank you both. That 1/2" recommendation was a surprise.
    I think it bears noting that the cedar shakes / shingles are not really just wood siding but roofing materials adapted for use in siding and are naturally decay resistant. The 1/2" clearance would ONLY apply to that specific product, not traditional wood siding.

    Jim Luttrall
    www.MrInspector.net
    Plano, Texas

  10. #10

    Default Re: Specifying hold-back of natural wood siding above roofs

    Thanks HG- got it.

    Jim-- I agree that the 1/2" clearance is only for shakes and shingles. The only other type of siding I'm aware of that allows the 1/2" clearance is vinyl. I don't like the minimal clearance allowance for at least a couple of reasons:
    1)Water may wick up into the wall, especially if debris bridges the small gap
    2)Roofers will have more trouble replacing flashing down the road, so they will be more prone to taking shortcuts.
    3)The 1/2" clearance disappears when multiple layers of roofing are installed.


  11. #11
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    Default Re: Specifying hold-back of natural wood siding above roofs

    Quote Originally Posted by H.G. Watson, Sr. View Post
    BW, Try fixing the cut & paste error/addy (removing the erroneous "inspectionnews.net/home_inspection/www/" ) like this:

    http://www.fpl.fs.fed.us/documnts/usda/hgb203.pdf
    Hum.. the link works fine for me in FF 3.3.6 ... but not in IE 8.0.7.

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

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