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Thread: Rusty valley

  1. #1
    mathew stouffer's Avatar
    mathew stouffer Guest

    Default Rusty valley

    What are your thoughts on this valley. Only slightly rusted, but replacement was recommneded by the roofing contractor. I simply mentioned it, but now I am inept

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  2. #2
    Join Date
    Mar 2007
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    Default Re: Rusty valley

    Photo is insufficient to draw any meaningful conclusions.


  3. #3
    Join Date
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    Default Re: Rusty valley

    Quote Originally Posted by mathew stouffer View Post
    Only slightly rusted, but replacement was recommneded by the roofing contractor.
    I can see brighter red rust spots indicating that the valley is rusting through, or already has begun to rust through.

    Thus that valley needs to be replaced.

    Jerry Peck, Construction / Litigation Consultant
    Construction Litigation Consultants, LLC ( www.ConstructionLitigationConsultants.com )
    www.AskCodeMan.com

  4. #4
    Join Date
    Feb 2009
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    Default Re: Rusty valley

    Matthew can you post some shingle pics? If that valley was originally galvanized, it is pretty old. The roofing contractor is going to be replacing shingles as well if he plans to change the valley metal. He is pushing for a full reroof, no doubt.

    Old cedar shingle or shake roofs are nasty things to inspect. I don't walk them because the shingles are generally pretty slimy where I live but also will split if you step on them, doing more damage than good. I check for split or rotted shingles from the ladder and will usually find some on any roof over 15 years old.

    So there may be more to this than just the rust in the valley, which Jerry pointed out, is in an advanced stage.

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

  5. #5
    mathew stouffer's Avatar
    mathew stouffer Guest

    Default Re: Rusty valley

    Roof is 15 years old, and in ok condition.

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  6. #6
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    Default Re: Rusty valley

    Thanks. I think those are resaws, shakes that have one sawn side. In pic 1 and 2 there are shakes laid with the sawn side up, wrong but it's too late to squawk now. In pics 2 and 3 there are splits which line up with gaps between the courses above and below. Potential leaks. But I agree, from where I sit, that roof looks OK. Bad splits can be patched by sliding in metal shims if the rest of the roof is good.

    I may have called for painting the valley to prolong its life. It is hard to tell from the pic, but I think it may be salvageable, and if so would save the owner a whack of $. It depends on the guage of the metal.

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

  7. #7
    Join Date
    Dec 2007
    Location
    Holladay, UT
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    Default Re: Rusty valley

    Mathew, Whenever I inspect this type of roof I look for felt interlayment between courses. I almost never see it. Since I can't walk on them I find some defect and recommend that a "Qualified" roofing contractor evaluate and repair as necessary. I also recommend that they be treated to prevent drying out and fire resistance.

    Tom Rees / A Closer Look Home Inspection / Salt Lake City, Utah

  8. #8
    mathew stouffer's Avatar
    mathew stouffer Guest

    Default Re: Rusty valley

    Thanks. The shakes are not an issue. Inspect them all the time. Just thought is was curious the roofer recommended replacement of the valley with such minimal rusting.


  9. #9
    Join Date
    Mar 2007
    Location
    New Westminster, B. C., Canada
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    Default Re: Rusty valley

    Hi, ALL &

    Matthew - That Roof is 'going'...

    I'd immediately call-out /recommend a full "tune-up" (metal-shim all critical splits, replace ridge-caps & spot-replace as needed, with a full walk-over [and careful checks on that & all other valleys as to replacement potential], any deteriorated shakes which are inferior to their neighbuors), to make this last what would be normally be expected.

    Otherwise, it will be too late & only full early replacement would be an option - against leaks to the interior.


    CHEERS !

    -Glenn Duxbury, CHI

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