Timberline HD® Shingles (High Definition) is also a residential roofing shingle line made by GAF. It is an architectural shingle style made of the material fiberglass with a wood-shake look.

As you can see, these shingles have a class A fire rating, and its wind resistance rating is 130 MPH. That puts it somewhere between class G and class H. As for impact resistance; we do not see any rating here. This is not all that strange, because not all shingles are tested in this way.

Timberline shingles are the unique roof covering. They consist of several individual overlapping components. They are the best dimensional shingles and come in stunning designs and colors. Timberline Shingles do not cost more than a fraction of the price of conventional roofing material.

GAF Posted on March 16, 2023 at 5:40 pm. GAF, one of the largest roofing manufacturers in North America, offers homeowners a wide selection of exceptional roof shingles to choose from. The Timberline shingles are among their most popular options, available in two variants: the Timberline HD and the Timberline HDZ.

Class A Videos

GAF's Timberline HD and HDZ are some of the most popular shingles available. They both are made of quality material with innovative and expert designs but the HDZ version has extra features such as premier sealant, algae resistance, added fire resistance, and a wind warranty with no speed limits.

To this end, the Timberline HDZ again holds the edge over the HD, with a 25-year warranty on their StainGuard algae protection, 10-year base warranty on wind damage, and a lifetime warranty that can be availed of when the Timberland HDZ shingles are installed alongside 3 other GAF products.

The reason for this is that GAF Timberline HD shingles have received an Energy Star rating. Whether you choose the Cool Series or another type, any of the Timberline series has undergone a special process for reflecting the sun's rays.

Timberline® Ultra HD™ shingles feature GAF's patented “High Definition” color blends and enhanced shadow effect for an ultra-dimensional look on your roof.

GAF's Shingles Quality GAF sets the industry standard for reliable and long lasting shingles and roofing products. GAF shingles are made with fiberglass-mesh reinforced asphalt, offering three to five layers of protection, depending on the specific product line you choose.

Timberline HD Shingles will not only protect your most valuable asset but also beautify your home for years to come. #1-selling shingles in North America; lifetime limited warranty (See GAF shingle and accessory ltd.

However, the HDZ shingle is a typical or common architectural asphalt shingle. They were designed to simulate a wood-shake look and provide your roof with dimension.