Advanced Algae Protection Sell Sheet - RESGN439
Brochures and Literature
About Timberline HDZ® RS Shingles
Experience deep, rich shingle colors with the improved Timberline HDZ® RS, the ultimate choice for reflective shingles. Its refreshed color options feature our enhanced EcoDark® granule technology. These shingles can be used to comply with the Cool Roof Requirements of Title 24 and the LA County Green Building Standards Code* while also enhancing the curb appeal of your home. Now, get GAF Time-Release Algae-Fighting Technology, with the 25-year StainGuard Plus™ Limited Warranty against blue-green algae discoloration1, critical in hot, and coastal climates like California.
Virtual remodeler
Design your roof, your way. Mix and match GAF shingle styles and colors along with siding, trim and doors to create the perfect look for your home.
Features and Benefits
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CALIFORNIA COOL®
Can be used to comply with the Cool Roof Requirements for steep slope residential buildings of 2022 Title 24, Part 6, of the California Code of Regulations and the Green Building Standards Code of Los Angeles County -
WINDPROVEN™
Eligible for the Windproven™ Limited Wind Warranty2 with no maximum wind speed limitation when installed with the required combination of 4 qualifying GAF accessory products -
BEAUTIFUL LOOK
Rich, vivid color blends never before seen in a cool roof, including the darkest highly-reflective shingle, Timberline HDZ® RS Charcoal
Warranties & Technologies
Design your roof, your way. Mix and match GAF shingle styles and colors along with siding, trim and doors to create the perfect look for your home.
StainGuard Plus™ Algae Protection Limited Warranty
Protect your roof investment with algae resistance so powerful it allows us to offer a 25-year limited warranty against blue-green algae discoloration on many of our most popular products, including Timberline HDZ® Shingles.¹
WindProven™ Limited Wind Warranty
When installed with the required combination of four qualifying GAF accessories, GAF shingles with LayerLock® technology qualify for the WindProven™ Limited Wind Warranty with no maximum wind speed limitation.2
Layerlock® Technology
The StrikeZone® nailing area provides up to 99.9% nailing accuracy. It's so easy to hit that a roofer placed 999 out of 1,000 nails correctly in our test.³
EcoDark® Granules
Newly formulated EcoDark® Granules provide deep, rich colors including Timberline HDZ® RS Charcoal, the darkest highly reflective shingle color available.
¹25-year StainGuard Plus™ Algae Protection Limited Warranty against blue-green algae discoloration is available only on products sold in packages bearing the StainGuard Plus™ logo. See GAF Shingle & Accessory Limited Warranty for complete coverage and restrictions.
²15-year WindProven™ Limited Wind Warranty on Timberline® Shingles with LayerLock® Technology requires the use of GAF Starter Strips, Roof Deck Protection, Ridge Cap Shingles, and Leak Barrier or Attic Ventilation. See GAF Roofing System Limited Warranty for complete coverage and restrictions Visit gaf.com/LRS for qualifying GAF products. For installations not eligible for the WindProven Limited Wind Warranty, see GAF Shingle & Accessory Limited Warranty for complete coverage and restrictions.
³ Results based on study conducted by Home Innovation Research Labs, an independent research lab, comparing installation of Timberline HD® Shingles to Timberline HDZ® Shingles on a 16-square roof deck using standard 4-nail nailing pattern under controlled laboratory conditions. Actual results may vary.
The Darkest Highly Reflective Shingle
Now you don’t have to settle for dull Charcoal shingles. Newly formulated EcoDark® Granules provide deep, rich colors including Timberline HDZ® RS Charcoal, the darkest highly reflective shingle color available that can be used to comply with both Title 24 and LA County Green Building Standards Codes.*
*Can be used to comply with the Cool Roof Requirements for steep slope residential buildings of 2022 Title 24, Part 6, of the California Code of Regulations and the Green Building Standards Code of Los Angeles County.
How to choose roofing shingles
The best roofing shingles for your home will meet your budget, provide the durability your roof needs, and create the curb appeal you want.
Timberline HDZ® RS recognized by esteemed Good Housekeeping award
We're thrilled to announce Timberline HDZ® RS shingles received the 2025 Good Housekeeping Home Reno Award in the Sustainability Innovators category. The Cool Roof compliant shingles prove to be the ultimate choice for reflective shingles, boasting deep, rich colors and enhanced technologies that boost curb appeal.
Specs & Codes
| Specifications (All Dimensions Are Nominal) |
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|---|---|
| Pieces/Square | 64 |
| Bundles/Square | 3 |
| Nails/Square¹ | 256 |
| Exposure | 5 5/8" |
| Dimensions | 13 1/4" x 39 3/8" |
| Applicable Standards & Protocols |
|---|
|
**ASTM D3462 - Periodically tested by independent and internal labs to ensure compliance with ASTM D3462 at time of manufacture.
Product Documentation
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California Cool Brochure - RESGN372
Brochures and Literature
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EcoDark Granules Sell Sheet - RESGN486
Data Sheets
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Laminated Shingles SDS - 2093
Safety Data Sheets
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Timberline HDZ RS Shingles Spec Sheet - RESGN467TRS
Specifications
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Timberline HDZ RS Shingles Spec Sheet SPANISH - RESGN467TRSS
Specifications
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UL 2218 Class 4 Impact Resistance Rating
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- 25-year StainGuard Plus™ Limited Warranty
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* Can be used to comply with the Cool Roof Requirements for steep slope residential buildings of 2022 Title 24, Part 6, of the California Code of Regulations
** Meets the Green Building Standards Code of Los Angeles County
Ridge cap shingles
The finishing touch that helps defend against leaks at the hips and ridges.
Rooftop accessories
Specialty roofing accessories designed to enhance the performance of your roofing system.
