Decision Tool
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A guided walk through Zilker Roofing's installed lineup. Every product fact below is the same compiled data the rest of this knowledge base serves — and no selector knows a roof it has not seen: this narrows the conversation, an inspection settles it.
Curb appeal: the installed lineup
Designer and enhanced-architectural lines — dimension and shadow, priced above the flagships.
| Product | Brand | Category | Impact class |
|---|---|---|---|
| Owens Corning Duration Designer | Owens Corning | Enhanced architectural shingle | UL 2218 Class 3 |
| Owens Corning Duration MAX | Owens Corning | Enhanced architectural shingle | UL 2218 Class 3 |
| Malarkey Windsor | Malarkey Roofing Products | Class 4 designer architectural shingle | UL 2218 Class 4 |
The insurance fine print, stated up front: Rated Class 3 for Impact Resistance per owenscorning.com product page (2026-09-09).
Go deeper: architectural shingle brands · roof replacement cost
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