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Will it help prevent algae and roof staining?What is the warranty coverage?How much area does a bundle cover?Does this shingle require underlayment?Will this withstand high winds?

GAF Timberline HDZ Charcoal Algae Resistant Architectural Roof Shingles ( 33.33-sq ft per Bundle )

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4.8

19425

$53.18 When you choose 5% savings on eligible purchases every day.

Manufacturer Color/Finish: Charcoal

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Tue, Sep 15

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We took our signature #1-selling shingle, Timberline HDZ®, and transformed it by strengthening the common bond and creating the largest nailing zone. Timberline® HDZ™ Shingles have the same renowned Timberline® quality and performance you know and love, with improved nailing accuracy and installation efficiency! Timberline® HDZ™ Shingles are easy and fast to install, with an incredible 99.9% nail placement accuracy!

A great value, architecturally stylish, but practically priced — with a Lifetime Limited Warranty (see GAF shingle and accessory limited warranty for complete coverage and restrictions)
New StrikeZone™ nailing area is the largest nail zone designed for high visibility, ease of installation, and maximum accuracy
Proprietary LayerLock™ Technology mechanically fastens the common bond, allowing for a larger nailing area, up to 600% larger nailing target(compared to Timberline HD® Shingles)
Highest roofing fire rating - UL Class A, Listed to ANSI/UL 790
Dura Grip™ adhesive seals each shingle tightly and reduces the risk of shingle blow-off
Shingles are warranted to withstand winds up to130 mph (209 km/h).2
Lifetime limited transferable warranty with smart choice® protection (non-prorated material and installation labor coverage) for the first ten years
3 bundles per 100 sq ft ; 36 Bundles per pallet
Passes UL 2218 Impact-Resistance Test with Class 3 Rating

General
Color/Finish Family	Black	Package Type	Bundle
Wind Rating (MPH)	130	Manufacturer Color/Finish	Charcoal
Type	Architectural	Number of Pieces (Pieces)	21
Material	Asphalt	Series Name	Timberline HDZ
Underlayment Required	Yes

Dimensions
Bundles per 100 Sq Feet	3	Shingle Length (imperial) (Inches)	39.375
Shingle Width (metric) (Centimeters)	33.65	Coverage Area Unit of Measure	Square feet
Shingle Width (imperial) (Inches)	13.25	Coverage Area per Package Quantity	33.33
Shingle Length (metric) (Centimeters)	100.01

Features
Approximate Surface Coverage	33.33-sq ft	Laminated	Yes
Algae Resistant	Yes	Impact Resistance	No

Warranty
Warranty	Limited lifetime

Certifications
CA Residents: Prop 65 Warning(s)	Prop 65 WARNING(S) -	Fire Rating	Class A
ENERGY STAR Certified	No

Miscellaneous
UNSPSC	30151500

Check out the Best Selling Roof Shingles on Lowes.com

Review

4.8 out of 5

19425 Reviews

98% Recommend this product

Ratings may include incentivized customer reviews.

Read All Reviews

+ 404

What Customers Are Saying

The GAF Timberline HDZ Laminated Architectural Roof Shingles are generally well-received by customers for their great appearance, easy installation, and durability. Many reviewers praise the shingles' ability to withstand harsh weather conditions and their long-lasting performance. The product also offers a wide range of color options that have been complimented by neighbors. However, a few customers reported issues with color mismatches and difficulties in obtaining replacement shingles.

Customer review summary generated by AI, including incentivized reviews.

19425 Customer Reviews

Sort By

Quality workmanship Quality materials

Would Recommend

I replaced my roof this month now have peace of mind

JasonAugust 24, 2026

From gaf.com

The new roof looks really good!

Would Recommend

G.J. Goss contracting did an excellent job with my roof replacement. The installation process was well organized and completed in a timely manner. A couple minor concerns arose during installation, but they immediately addressed and resolved my concerns to my satisfaction without any hassles. The new roof looks really good!

GregDAugust 24, 2026

From gaf.com

Graves/Oaks at an HOA

Would Not Recommend

Dear Oaks/Graves, I have used Graves for over 4 years. The experience gets worse each time. The Board at Cornhill Commons does not want to use Graves/Oaks any longer.

Cornhill CommonsAugust 24, 2026

From gaf.com

Good

Would Recommend

Product was as expected. Color was consistent through all bundles.

Hannah VirusAugust 24, 2026
From Timberline HDZ Pewter Gray Algae Resistant Architectural Roof Shingles ( 33.33-sq ft per Bundle ) Verified Purchaser

https://photos-us.bazaarvoice.com/photo/2/cGhvdG86bG93ZXM/b1370425-be06-536e-9c43-2ed55f72e4c0

Was this Review Helpful ?

Beautiful

Would Recommend

We replaced the roof about a month ago. Roof looks great.

KarenKhAugust 24, 2026

From gaf.com

Refait toiture et gouttière

Would Recommend

J’ai remplacé la toiture+ rehaussement de l’isolation et changé les gouttières. Très satisfait des produits, de leur installations, le tout ds le respect du budget et de l’échéancier très serré.

BradAugust 22, 2026

From gaf.com

Great look

Would Recommend

Just had my roof replaced for solar panels to be put on but added the garage the same day and both came out great. The roofing company, Roofing & Siding Pros went above and beyond and would use them again any day!

Shelly78August 22, 2026

From gaf.com

More than thrilled

My wife and I finally replaced our roofs and we couldn't be happier!!! It looks amazing and we are so releaveded to finally have pulled the trigger on this!!

Big DaveAugust 21, 2026

From gaf.com

Great service, fast work

Would Recommend

My roof needed to be fixed for years, and after I selected Mint Roofing, they replaced my roof the next day. I really like the colour of the shingles.

Parlay KingAugust 21, 2026

From gaf.com

151 Questions

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		Name	Current Item GAFTimberline HDZ Charcoal Algae Resistant Architectural Roof Shingles ( 33.33-sq ft per Bundle )
		Ratings	19420
		Type	Architectural
		Material	Asphalt
		Algae Resistant
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