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  1. #1

    Default IRC illustration

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    Clarksville Home Inspection
    JW Goad
    TN License #307 | KY License #2402

  2. #2
    Join Date
    Sep 2008
    Location
    Texas
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    745

    Default Re: IRC illustration

    There are several diagrams in the 2009 IRC Commentary. What are you looking for specifically?


  3. #3

    Default Re: IRC illustration

    Hardly anyone is bending the top of the counter-flashing anymore & installing it in a groove cut into the brick (or in the mortar joints if done in the older jack-flashing style), they are just caulking along the top edge of the counter-flashing. There is a BIA illustration of the bend in the top of the counter-flashing, but an IRC illustration, if there is one, would be ideal.

    Clarksville Home Inspection
    JW Goad
    TN License #307 | KY License #2402

  4. #4
    Join Date
    Jul 2007
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    Chicago
    Posts
    930

    Default Re: IRC illustration


  5. #5

    Default Re: IRC illustration

    Thanks Bob, but I'm really looking for an IRC illustration, if there is one.

    Clarksville Home Inspection
    JW Goad
    TN License #307 | KY License #2402

  6. #6
    Join Date
    Jul 2008
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    Snowbird (this means I'm retired and migrate between locations), FL/MI
    Posts
    4,086

    Default Re: IRC illustration

    Quote Originally Posted by John Goad
    Is there, & does anyone have an IRC illustration for counter-flashing?
    Quote Originally Posted by John Goad View Post
    Hardly anyone is bending the top of the counter-flashing anymore & installing it in a groove cut into the brick (or in the mortar joints if done in the older jack-flashing style), they are just caulking along the top edge of the counter-flashing. There is a BIA illustration of the bend in the top of the counter-flashing, but an IRC illustration, if there is one, would be ideal.
    Assuming you chose the correct forum area (roofing systems) for your question...

    I guess "jack flashing" is a regional term I don't relate to, what do you mean by this? A pipe boot? Lead or copper step flashing? or something "jacked in" (like jacked up, or jury rigged) as in slopped on, not properly "let in", "tarred" or glued on, temporary, non lapped improper transition masonry to roof flashing?

    I suspect you're looking for BIA flashing details. You didn't indicate veneer and if so how supported so you're again forcing a guess as to your intent/desire.

    and we don't know if this brick is veneer, and supported by steel angle or roof construction...

    I'll defer to: 2006 IRC (because its a convenient link to a public access version, that happens to be in my browser's recent history) for the following:

    R703.7.2.1 and its Figure R703.7.2.1 Exterior Masonry Veneer Support by Steel Angles (attached)

    and

    R703.7.2.2 Support by roof construction and its Figure R703.7.2.2 "Exterior Masonry Veneer Support by Roof Members" (attached)

    both show details for transitions from veneer to roofing.

    You can scroll down and view same here (clickable link): Chapter 7 - Wall Covering

    you can click on the figures themselves and capture them.

    Is that what you were looking for?

    Wall to roof transitions? Chimney, cricket? sloped roof? cants? or weep/drainage details above the step flashing?

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    Last edited by H.G. Watson, Sr.; 12-16-2011 at 08:34 PM.

  7. #7
    Join Date
    Nov 2009
    Location
    St Paul, MN
    Posts
    1,628

    Default Re: IRC illustration

    I just re-roofed my house last year and replaced the flashing around my chimney. The handout from the local building official did mandate counter flashing, but did not mandate the top of the counter flashing be set in a groove cut in the brick. It did mandate an all weather sealant be applied between the flashing and brick and at the top of the flashing.

    I purchased a chimney flashing "kit". The instructions were exactly the same as the handout from the building official. I cut the groove and bent the flashing into it anyways.

    MinnesotaHomeInspectors.com
    Minnesota Home Inspectors LLC
    ASHI #242887 mnradontesting.com

  8. #8
    Join Date
    Mar 2007
    Location
    Healdsburg, CA
    Posts
    1,741

    Default Re: IRC illustration

    Sounds like you did it right Ken.

    Jerry McCarthy
    Building Code/ Construction Consultant

  9. #9
    Join Date
    Mar 2007
    Location
    Healdsburg, CA
    Posts
    1,741

    Default Re: IRC illustration

    Opps, forgot the diagram.................

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    Jerry McCarthy
    Building Code/ Construction Consultant

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