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Timberline HDZ Birchwood Algae Resistant Laminated High Definition Shingles (33.33 sq. ft. per Bundle) (21-Pieces)

  • Industry leading nailing zone with 99.9% nail placement accuracy
  • Enhanced shadow effect for a genuine wood shake look
  • Class A fire rating & 130 mph wind warranty provide peace of mind
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Product Overview

We took our signature #1-selling shingle, Timberline HD and transformed it by strengthening the common bond and creating the industry's 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. 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.
  • Great value and architecturally stylish - with a Lifetime limited warranty (See GAF Shingle and accessory limited warranty for complete coverage and restrictions)
  • New StrikeZone Nailing Area is the industry's 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)
  • Dimensional look that features GAF's proprietary color blends and enhanced shadow effect for a genuine wood-shake look
  • Highest roofing fire rating - UL class A, listed to ANSI/UL 808
  • Dura Grip sealant pairs with the smooth microgranule surface of the StrikeZone nailing area for fast tack, then, an asphalt-to asphalt monolithic bond cures for durability, strength, and exceptional wind uplift performance
  • Lifetime limited transferable warranty with Smart Choice Protection (non-prorated material and installation labor coverage) for the first 10-years
  • Eligible for the WindProven Limited wind warranty when installed with the required combination of GAF accessories (See GAF Roofing system limited warranty for complete coverage and restrictions and list of qualifying products)
  • The perfect finishing touch, use TimberTex Premium Ridge Cap Shingles
  • Note: it is difficult to reproduce the color clarity and actual color blends of these products before selecting your color, please ask to see several full-size shingles
  • Birchwood is the middle child in the most neutral family of all: the grays, it is easy on the eyes and coordinates with its brothers and sisters, all grays and whites and even some blues and greens
  • For design inspiration, Click here for exterior front of home trend ideas
  • California residents

Info & Guides

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Product Length (in.)
39.38 in
Product Thickness (in.)
2.4 in
Product Width (in.)
13.25 in


Color Family
Light Gray
Algae Resistant,Dura Grip Adhesive,High Wind Resistant,Stainguard Protection,Waterproof
Fire Rating (UL 790)
Class A
Number of bundles per 100 sq. ft. (Square)
Number of pieces per bundle
Attic Ventilation,Underlayment
Roofing Product Type
Architectural Shingle
Shingle Exposure (in.)
Shingle Type
High Definition Shingle
Lifetime Limited Warranty
Weight Per Bundle (lb.)

Questions & Answers

Typical questions asked about products:

  • Is the product durable?
  • Is the product easy to use?
  • What are the dimensions of the product?

Customer Reviews

  • 4.9
    out of 5,615 reviews
  • 67% recommend this product
Filter by:
Showing 1-30 of 5,615 reviews
Looking Sharp
Love my charcoal gray shingles! they look so nice!
    Positive Comments From Neighbors.
    Neighbors passing by have commented on how great the house looks. We were told that the color of the shingles perfectly complement our home.
      Roof & Gutters Look Great
      Impressed with appearance of the roof and entire project.
        Yes, I like the look of the shingles.
        Please see above. And I can't say much until years have gone by to see how they hold up.
          I hope they will last for a long time.
          They look great and come with a great warranty and highly recommended by multiple contractors. With the weather being what it is and with the changes in weather and wind speed I hope they will last a long time. I am convinced that I did the right thing picking the HDZ over a metal roof. Time will tell.
            seems to do the job
            The roof is still new, so I can't comment on the longevity of the product.
              Good quality and great look
              I was between 2 colors and the one that we picked not only looks great but it seems to be of good quality.
                Perfect fit!
                Received the exact shingles we were looking for. Our home looks much better than before--the shingles are a perfect fit!
                  Great appearance!
                  The roof looks brand new on our 20 year old house!
                    My new roof is beautiful
                    I had no idea the difference a new roof would make on my home.
                      Great appearance!
                      The roof looks brand new on our 20 year old house!
                        House painting not needed.
                        Shingles look so good, I am delaying painting my house.
                          Shingle quality
                          The quality of the shingles are excellent; however, not quite the color I wanted, but due to COVID limited selection.
                            Even more beautiful than we expected
                            The shingles look beautiful with our home, and are even more blue than we originally expected, which is excellent.
                              House looks amazing!!
                              Timberline HDZ in Charcoal looks great on my house!
                                Added Value To Our Home
                                Overall appearance is very pleasing and adds beauty to the home
                                  Shingle Review
                                  The tremendous improvement is the GAF shingles from a previous installation 15 years ago was impressive. We are very satisfied with this product.
                                    Nice looking shingles
                                    Other than "nice looking", I have no idea how to rate shingles.
                                      Great singles
                                      Singles look fantastic and feel like great value for the money.
                                        Nice look!
                                        The shingles installed have a very nice look and actually improved the overall look of the house. Very, very happy!
                                          Perfect Complement to Brick
                                          I selected Weathered Wood and it complements my brick perfectly.
                                            My roof looks beautiful
                                            My Roof has never look so good. I tell all my friends and family what a great job The Haines Group did. will always call if I need anything else done
                                              So far I think the roof will do its job for years
                                              They look great. Happy with the quality of the shingle
                                                Brand New Look
                                                The timberline shingles that were chosen put a brand new look on an aging house.
                                                  Change the. Look of my home.
                                                  I really like the darker colored shingles they Make the house look nice
                                                    Such a transformation!
                                                    We went from a drab brown shingled roof to the Pewter Gray shingle and WOW what a difference it made. So happy with the style and color of this shingle.
                                                      Amazing new look!
                                                      Roof and gutters look incredible! Very fresh and modern.
                                                        Amazing definition
                                                        I am impressed with the definition of the architectural shingles. The color looks great too. Nice product.
                                                          Roof looks nice with a pattern that I like.
                                                          Shingles seem good. Have lost some granules after storm. Told us this was not a concern.
                                                            Shingles look good
                                                            Shingle product looks good, significant improvement from our prior roof
                                                              Showing 1-30 of 5,615 reviews