This document establishes that the product is no longer manufactured. Owens Corning’s own current-and-discontinued list, naming 18 shingle products with the year each was dropped — Classic in 2018, Duration Premium COOL in 2020, TruDefinition WeatherGuard in 2022 and others. Start here if your roof is Owens Corning.
Discontinued Owens Corning · Roofing · 4 pages
Owens Corning Shingle Product Line — Current and Discontinued
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Owens Corning Shingle Product Line — Current and Discontinued
Issued by Owens Corning. Published here complete — no summary standing in for the document, no email required.
Issued by Owens Corning. Held in this firm’s reference library; not published elsewhere. Homeowner-identifying details, where a letter was addressed to a particular property, are blacked out — nothing else is altered, and no operative text is ever redacted.
What to do with it
A carrier cannot direct you to buy something that is not sold. Once the product is off the market, the question stops being "can this be repaired" and becomes "can this building be restored with materials of like kind and quality" — which is a very different question, and one the carrier has to answer.
- You have the manufacturer’s document. That part is finished. Most homeowners never get this far, and it is the step a carrier cannot argue with — it is not your opinion, it is the company that made the product.
- Put it in writing, to the adjuster, with the claim number. Attach the document and ask one specific question: name the exact replacement product — manufacturer, line, colour, dimensions, exposure, nail zone, sealant design, supplier, quantity available locally — and who will answer for the repair if it fails. Vague answers are the whole game; a specific question ends it.
- Get the position on the record before anything gets installed. Once a mismatched or incompatible repair is on the building, you are arguing about something already done.
If you want the second and third steps handled by someone who does this for a living, that is what we are for — and the review costs nothing. If you would rather do it yourself, the document above is yours either way. That is the point of publishing it.
Related documents
Other Owens Corning documents
Owens Corning hail damage
The plainest rejection of spot repair in this library, from the manufacturer rather than from us. Owens Corning also states that once hail dislodges granules and exposes the asphalt, the roof’s performance has been compromised.
Owens Corning TruDefinition Duration · Oakridge · Supreme
Owens Corning’s three main residential series are not interchangeable with one another — so a repair that reaches for a different series than the one installed is outside the manufacturer’s guidance.
Owens Corning Classic (20-year 3-tab)
Owens Corning confirms the 20-year three-tab Classic® is gone.
Owens Corning Oakridge II
Confirmed in writing on April 21, 2022.
Owens Corning Oakridge Plus
Confirmed in writing on April 21, 2022.
Owens Corning Oakridge Pro 30 · Pro 40 · Pro 50
All three Pro Series shingles discontinued — and the letter closes the substitute door in the same paragraph.
Other manufacturers saying the same thing
Atlas Chalet
Atlas discontinued the Chalet 30-year laminated shingle in mid-2010 and replaced it with the Pinnacle HP line. Chalet went onto tens of thousands of Georgia homes, and it is the single most common discontinued-shingle dispute in this market.
Atlas Chalet
Atlas’s follow-up letter goes further than the discontinuation itself: the Chalet’s proprietary design and physical size differ from current production, so combining old and new raises ASTM compliance problems.
Atlas GlassMaster
Atlas Roofing Corporation confirms in writing that the GlassMaster shingle is no longer manufactured.
Atlas StormMaster Slate
Discontinued effective January 1, 2023. Atlas did not just retire the product — it stated on the record that nothing else in the market matches it.
The rule this document serves
Your policy promises repair or replacement with material of like kind and quality. That is a replacement-cost and indemnity obligation, not an appearance theory — and it is why “matching” is the carrier’s word, not the policy’s. Where the installed product cannot be bought, or cannot be combined with what is still sold, the covered building cannot be restored to like kind and quality by patching it, and that is true before anyone argues about how it looks. The full doctrine, and the other 125 documents, are on the discontinued materials hub.
You have the manufacturer's document. The next part is the argument. Handing a carrier a technical bulletin and getting it honoured are two different jobs. The case review is free, and you pay nothing unless we recover.
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