Nashville Home Inspector – Roofers Gone Wild!

 
ROOFERS GONE WILD! – HOW TO MESS UP A PERFECTLY GOOD ROOF
 
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At HABITEC Home and Building Inspections, LLC, we sometimes see situations during a Home Inspection and we wonder just what were they thinking.  It seems like they did things wrong just to say they could.  Look at the picture of the roof shingles below.  What’s wrong?

HINT: Water flows downhill, and this picture was taken from a roof top.

ANSWER:  Actually this is wrong from whatever angle you look at it.  In any condition, whether in a valley as shown or on a slope of the roof, composite roof shingles should always be installed so that the shingles overlap from the top down.  In other words, the upper shingle overlaps the lower shingle.  In this photo, the shingles from one side of the valley were simply carried over on top of the other side, in the forefront.  That puts the downslope shingles above the upslope shingles.  It won’t take much for water from upslope shingles to slip under the downslope shingles and onto the decking below.  This is a poor roof valley shingle installation.  The picture below is how it should look.  And the picture below is from the same roof, different valley.  What were they thinking?

On the same house the shingles have been used as siding for the second floor dormers.  This is not the usual but it is allowed.  Look at the “siding” below.  Does that look OK?  HINT:  NO!

ANSWER:  The hint already gave it away.  The correct way to install these “siding shingles” is shown below.  Neat and orderly with the top shingle overlapping the lower shingle.

Last but not least, strange things come to homes in foreclosure.  For an example see the picture below.  What’s missing from this new roof?  HINT:  New roof shingles should look similar to each other.

ANSWER:  The good news is that the shingles needed to finish this ridge are laying over there on the right in this picture.  Some of them anyway.  This home went into foreclosure while the builder/roofer were installing the new roof.  Knowing they probably would not get paid, they at least covered the ridge opening with whatever they had handy.  Then just left the rest laying up on the roof.  In this case we do know what they were thinking.

To comment on this article email to richard@habitecinspections.com

Thank you,

Richard Acree

Comments in this blog posting are the copyrighted intellectual property of Richard Acree, President, HABITEC Home and Building Inspections, LLC,  and are intended to educate and otherwise assist home owners, sellers and buyers, building owners, sellers and buyers, realtors, real estate investors, property managers, and lenders in the process of owning, buying or selling homes or commercial buildings.  HABITEC is a residential (home) and commercial building inspection company serving Middle Tennessee including Nashville, Brentwood, Franklin, Murfreesboro, Smyrna, Mt. Juliet, Hendersonville, Dickson, Belle Meade, Columbia, Spring Hill, Lebanon, Gallatin and more!  In addition to building inspections HABITEC offers Environmental Services for mold assessments, radon testing and water quality analysis.  Additional information about HABITEC can be found on our website at http://habitecinspections.com, or call 615-376-2753. 

Richard Acree is the author of  the HABITEC Home and Building Inspections blog at ActiveRain, WordPress, and Blogger, and Founder of the ActiveRain Group Tennessee Home and Building Inspectors.  All are welcome to join and comment on those blogs and group.   You can also follow HABITEC on Facebook and Richard on Linked.  Thank you!

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3 Responses

  1. Its really been a very informative post indeed. I have got some great tips from your blog. Thanks for sharing such valuable info with us.

  2. Thank you for your comment. Not sure how this post ended up in my blog twice so one will be deleted.

    Did you ever try that EPDM coating in crawl spaces?

    Richard

  3. Badly needed some expert to roofing.

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