GAF Timberline HD® (replaced by HDZ)
Discontinued — what Tulsa homeowners should know
For years the most-installed architectural shingle in America. GAF replaced it with Timberline HDZ (LayerLock® technology, wider StrikeZone® nailing area) in 2020. Most HD colors carried straight over to HDZ, which makes repair matching easier than with most discontinued shingles.
The Oklahoma verdict
If Timberline HD is on your roof today, the practical issue is matching. Once a shingle is discontinued, a hail or wind repair can't be blended into the existing slopes, and that is exactly the situation where we document the discontinuation with the manufacturer's notice and submit it with your claim. Whether your policy pays for full replacement when a match is impossible depends on your policy's wording, so we read it with you before anything is filed.
What replaced Timberline HD?
The closest current GAF looks are below. We bring physical sample boards of each to the inspection so you can hold them against your existing roof.
Discontinuation evidence we attach to claims
- Discontinued materials record — GAF Timberline HD, discontinued July 1, 2020
- GAF current shingle lineup (product no longer listed)
When a repair can't be matched, this documentation goes into the claim file alongside slope-by-slope photos and the test-square results. Read how we run that process in How to File a Roof Insurance Claim in Oklahoma and What Your Insurance Adjuster Won't Tell You.
Timberline HD specifications
| Spec | Timberline HD |
|---|---|
| Manufacturer | GAF |
| Product type | Architectural |
| Impact rating (UL 2218) | Not rated / not stated by manufacturer |
| Wind warranty | See manufacturer warranty |
| Algae protection | Not stated |
| Manufacturer warranty | Existing GAF warranty coverage continues for installed roofs |
| Key technologies | Predecessor to Timberline HDZ |
| Colors | See manufacturer |
| Availability | Discontinued |
Specifications summarized from the manufacturer's published product page (source) as of 2026-10-11. Warranty terms require registration and brand-matched accessories; we handle both.
Timberline HD colors
Timberline HDZ swatches — the same color names carried over. Final color should always be chosen from a physical sample board; screen colors vary.
See any of these colors on your house with the Maxx Roof Visualizer: upload a photo, pick a shingle, and we render it on your roof.
Why Tulsa homeowners choose Maxx Roofing for GAF
- GAF Certified Plus™ contractor — eligible to offer the GAF Silver Pledge™ enhanced warranty.
- Insurance specialists. Our team has won 1,800+ claims combined; 9 out of 10 roofs we replace are insurance-paid.
- Google 4.9★ from 161 reviews. Family-owned in Broken Arrow since 2014. OK LIC #80002726.
- Written, line-item estimates with the product, color, underlayment, ventilation and warranty spelled out.
Frequently asked questions
Is GAF Timberline HD discontinued?
Yes. Timberline HD is no longer manufactured. Existing roofs keep whatever GAF warranty coverage was registered when they were installed, but replacement shingles are no longer produced, so spot repairs cannot be matched.
What replaced Timberline HD?
The closest current GAF options are Timberline HDZ and Timberline AS II. We bring sample boards of both to the inspection so you can compare them against your existing roof.
Will insurance replace my whole roof if Timberline HD can't be matched?
It depends on your policy language. Some Oklahoma policies include matching provisions or endorsements; others pay only for the damaged slope. We document the discontinuation, photograph every slope, and submit the manufacturer evidence with your claim so the adjuster has the full picture.
Does Maxx Roofing install GAF Timberline HD?
Yes. Maxx Roofing & Construction installs GAF shingles across Tulsa, Broken Arrow, Owasso, Bixby, Jenks, Sand Springs, Sapulpa, Glenpool, Coweta, Catoosa and Claremore. Our crew has been with us 12 years and is manufacturer-trained to install each brand to its warranty specifications. Call (918) 893-9595 for a free estimate.
Compare with
All GAF shingles → · Every shingle we install → · GAF vs. Owens Corning vs. CertainTeed
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Written line-item estimate · We handle the insurance paperwork · 9 out of 10 roofs we replace are insurance-paid
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