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Question DetailsAsked on 8/3/2017

Should I buy the warranty on a new roof?

Owens Corning duration shingles for a re roof project. Should I purchase OwenCorning warranty?

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1 Answer


Here is the basic info on the warranty levels - you get the Basic Limited Lifetime Warranty with pruchase - the System and Platinum and such cost more.

Note to get the higher levels of protection, the total roofing system has to be installed using all O-C products (to the extent they make them) and it has to be done by an O-C participating installer - which commonly end up costing you about 25% more overall - sometimes up to 50% for Platinum.

My personal opinion - if this is a "forever" home and you want excellent protection against defect issues (which seem to be plaguing shingle manufacturers in their race to the cheapest possible products) then the higher level additional cost warranty might be worth it if not over a 25% or so additional total cost - though read the warranty fine print, because it is pretty hard to prove that any sort of storm damage or such is covered (for instance, how do you PROVE the wind did not exceed 100 or 130 mph at your house), so generally it is not going to pay off.

Off the cuff, I would say probably not 5-10% of claims against manufacturers for product warranty are allowed - they almost always say it was an installation error. This is where the extended warranty comes into play, because most of the premium warranties which require it be done by their authorized roofers cover that sort of error too, so it takes away much of their ability to disclaim responsibility. Also, the extended warranties generally cover labor as well (pro-rated of course except for highestlevel of protection), whereas most basic warranties for not cover the labor for replacement at all, so right off the bat you have lost probably at leat half and usually more like 3/4 of the replacement reimbursement right off the bat - making the warranty pretty meaningless.

My normal recommendation, especially if this will not be a home you will live in for 20 or more years, is skip the enhanced warranty unless it adds less than 10% to cost (because most serious manufacuturing issue show up in the first 50-10 years anyway, which the basic warranty normally covers) and go with a mid to high-quality architectural shingle product, minimum 235 and preferably more like minimum 250#/square, and with appropriate hurricane, hail, and/or fire rating for your area. And asphalt-impregnated fiberglass mat rather than asphalt felt shingles, especially in wet areas or where there is winter snow cover, because the felt shingles soak up water and deteriorate a lot quicker.

I am sorry I cannot give you any links to other related questions, but while there are some previous questions with answer opinions on various shingle brands including O-C and Duration shingles in the Home > Roofing link under Browse Projects, at lower left, I don't recall any on the warranty issue specifically.

Answered 3 years ago by LCD

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