
Offer your customers the premium shingle from GAF
Our best algae protection warranty and ultra-dimensional shadow lines with Timberline UHDZ® Shingles
Timberline UHDZ® Shingles. Our Premium Laminate Shingle offers what no other GAF Shingle does.
Sunset shadows, all day long
Dual Shadow Line technology precisely distributes color granules to create two parallel shadow lines, which gives the Timberline UHDZ® Shingle a thicker, ultra-dimensional wood-shake look compared to our Timberline HDZ® Shingles.

Impact resistance
Timberline® UHDZ™ achieves UL2218 Class 4 impact resistance rating1, thanks to our new, thicker UltraMat™ high-performance fiberglass mat, which we designed to strengthen the shingle’s support layers to enhance the shingle at its core.2
Upsell to Timberline UHDZ® Shingles
Many homeowners are looking for shingles that deliver unique benefits and aesthetics. Timberline UHDZ® Shingles help your company meet that growing demand by offering everything homeowners love about Timberline HDZ®, PLUS: the 30-year StainGuard Plus PRO™ limited warranty against blue-green algae discoloration3, UL2218 Class 4 impact resistance rating1, thanks to our UltraMat™ high-performance fiberglass mat, and the patented Dual Shadow Line, which creates beautiful dimensionality that goes beyond anything we’ve offered before.
1 UL 2218 Class 4 Impact-Resistance Test performed under controlled laboratory conditions. GAF makes no express or implied warranty about the impact performance of this product against hail. Hail damage is not covered under the limited warranty.
2 Only Timberline UHDZ® shingles manufactured in select plants, sold in packages bearing the Ultramat™ high-performance mat logo and UL2218 Class 4 Classification statement are rated for Class 4 impact resistance. Visit gaf.com/UHDZ4 for information.
3 30-year StainGuard Plus PRO™ Algae Protection Limited Warranty against blue-green algae discoloration is available only on products sold in packages bearing the StainGuard Plus PRO™logo. See GAF Shingle & Accessory Limited Warranty for complete coverage and restrictions.
2 Only Timberline UHDZ® shingles manufactured in select plants, sold in packages bearing the Ultramat™ high-performance mat logo and UL2218 Class 4 Classification statement are rated for Class 4 impact resistance. Visit gaf.com/UHDZ4 for information.
3 30-year StainGuard Plus PRO™ Algae Protection Limited Warranty against blue-green algae discoloration is available only on products sold in packages bearing the StainGuard Plus PRO™logo. See GAF Shingle & Accessory Limited Warranty for complete coverage and restrictions.