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Old 12-27-2016, 05:55 PM   #1
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Manufacturers warranty vs building code


Hi All,

I am buying a new house in Nebraska and got a home inspection done and here is an excerpt from the home inspection report about a section of the roof:

"There is a section of this roof on the upper front side near the right corner that has improper shingle stagger. This can lead to ice damming and a roof leak. It also voids the manufacturer's warranty because it wasn't installed properly. Proper shingle stagger will have a minimum 3 1/2" overlap from the one row of shingles to the next measured from the shingle's butt ends. The only way to correct this mistake is to tear that section of the roof off and install new."

We took this report to the seller and requested them to repair the roof as per the manufacturer specification(Heritage Asphalt Shingles). The seller countered by saying that they will repair the roof to bring it up to code.

Now, if they bring the roof up to code, would that fix the issue with manufacturers warranty being voided? What is my best option here?

Thanks,
Sandeep

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Old 12-27-2016, 06:33 PM   #2
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Re: Manufacturers warranty vs building code


Post a picture.
Codes only meet bare minimums.
Shingles stager has nothing to do with Ice dams.
Not enough insulation, attic not air sealed, lack of enough soffit and roof venting causes ice dams.

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Old 12-28-2016, 08:03 AM   #3
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Re: Manufacturers warranty vs building code


There is no manufacturer that 'requires' less than a 4" stagger.
The bigger issue here is that a stagger that small will leak. If the roofer installed one section that poorly, you may want to invest in a roofer to inspect the roof.
I would be suspect of everything.

4" is absolute minimum, and garbage. 5" is fine, 6" is better.
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Old 12-28-2016, 08:05 AM   #4
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Re: Manufacturers warranty vs building code


Not necessarily. I had a similar situation...roofing complied with the local building code but did not comply with the manufacturer's warranty requirements. Compare the two.....manufacturer's warranty requirements are probably going to be more stringent than the local building codes.
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Old 12-28-2016, 10:33 AM   #5
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Re: Manufacturers warranty vs building code


Tamko Heritage shingles specify no less than a 4" stagger.
What does the seller propose as a fix to "meet code" ?

I agree a complete check for other issues is important. But its certainly possible the rest of the roof is OK. Its possible several guys were shingling and only one of them was a screw up.
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Old 12-28-2016, 11:41 AM   #6
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Quote:
Originally Posted by joecaption View Post
Post a picture.
Codes only meet bare minimums.
Shingles stager has nothing to do with Ice dams.
Not enough insulation, attic not air sealed, lack of enough soffit and roof venting causes ice dams.
.

You are right on, staggers to close do not cause ice dams but the stagger being to close will cause roof leaks. I have repaired roofs that the stagger was too close and cuased a roof leak.

I have experience with ice dam removal and ice dams form becuase of insulation problems
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Old 12-28-2016, 12:00 PM   #7
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Here is s picture of improper roof stagger that led to a roof leak I worked in to repair

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Last edited by fred icedam; 12-28-2016 at 12:20 PM.
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