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What GAF shingles are discontinued?

Asked by Anonymous Oct 02, 2026 6 views 2 answers
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Answered Oct 05, 2026
State Farm—alongside many other major nationwide property and casualty insurance carriers—frequently offers significant annual homeowner insurance premium discounts for properties equipped with UL 2218 Class 4 impact-resistant roofing materials. Because Class 4 shingles like GAF Timberline UHDZ or Owens Corning Duration STORM are scientifically engineered to withstand severe hail and storm strikes without fracturing, insurers reduce their risk exposure and pass those savings directly to policyholders, often offsetting the initial shingle upgrade cost over time.
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Administrator Accepted
Answered Oct 05, 2026
Over the years, GAF has retired several legacy product lines as manufacturing technologies and aesthetic preferences have evolved. Most notably, the original Timberline HD shingle (without the Z) was officially discontinued in 2020 and replaced by the upgraded Timberline HDZ series featuring LayerLock technology. Other older specialized lines and regional color blends from past decades—such as certain discontinued variations of 3-tab and vintage designer shingles—have also been phased out in favor of higher-performing modern alternatives with superior wind and algae warranties.
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