A roof shingle is a layer of asphalt sheeting that makes a wind-resistant, watertight seal. It protects your rooftop from direct sun exposure and reduces the eventual damage to it over time. There are different types of roof shingles that have their own qualities.

Among the leading roof shingles manufactured by General Aniline and Film Material Corporation (GAF) are Timberline American Harvest and Timberline HD.

Let’s compare these Timberline roof shingles based on cost, warranty, durability, and overall appearance.


Timberline American Harvest Overview

At affordable prices, Timberline American Harvest roof shingles manufactured by GAF will give you a modern architectural vibe. These roof shingles are designed with advanced protection technology that helps them protect your roofs from leaks and damage.

Roof shingles from this line offer rugged constructions with unique color palettes to reflect the beauty of the American heartland. Color palettes can be customized to optimize charm and uniqueness. They add an extra-dimensional look to your homes with their advanced color application techniques.

Timberline American Harvest roof shingles are guaranteed long-lasting with decreased risk of shingles blowing off when sealed properly.

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Timberline HD Overview

GAF-manufactured Timberline HD is guaranteed to endure any weather condition while aesthetically improving the overall appearance of your homes and possibly increasing their resale values. Moreover, these roof shingles are designed with advanced stain guard protection.

Their roof shingles offer wide selections of textures and colors; these shingles are thick enough to provide multiple protective layers to protect your roof’s susceptible areas. Each layer consists of diamond-cut granules and spec-sealed asphalt.

Roof shingles from Timberline HD are sealed with Dura Grip Self-Seal reducing the risk of sudden shingle blow-offs.


Timberline American Harvest Vs. HD Comparison

Both Timberline American Harvest and Timberline HD are best-selling architectural roof shingles. Timberline HD is priced at $0.93 per square foot, $93 per square, and $31 per bundle. On the other hand, Timberline American Harvest costs $1.10 per square foot and $36.85 per bundle.

The prices of both architectural roof shingles are comparable, with Timberline American Harvest slightly more expensive than Timberline HD. However, prices are reasonable given the great performance, unique color palettes, designs, and advanced protection capability of these two brands

GAF offers several kinds of warranties that are perfect for homeowners nationwide. Both Timberline American Harvest and Timberline HD offer a lifetime transferable warranty.

Their “lifetime” warranty refers to the coverage duration provided by the GAF Shingle and Accessory Limited Warranty. This lifetime warranty is applicable as long as the original owners of the property installed the roof shingles. If the criteria are not met, the lifetime coverage will be dissolved.


Timberline American Harvest and Timberline HD both offer high-quality, durable shingles for your home. Let’s take a closer look at each brand’s key features and construction that contribute to their overall durability.

Timberline American Harvest 

On the base layer of this roof shingle is an asphalt-infused fiberglass mat to increase its weather resistance. The second layer features an architectural look for extra dimension. Timberline American Harvest roof shingles’ outermost covering comprises ceramic-coated granules to increase the shingle’s fade resistance.

Timberline HD

Timberline HD offers all-season weather protection with its four-layer laminated roof shingles with two layers made of asphalt. These roof shingles have a micro-weave core that enhances your home’s protection.

The topmost layer is coated with diamond-cut ceramic granules to help maintain the shingle’s color and its ability to reflect heat. Their architectural shingles have improved bonding, strength, and wind resistance with an adhesive tar strip at the bottom of each.

These two brands have comparable durability, with Timberline HD offering more protection against strong winds and all kinds of weather.


Timberline American Harvest

Roof shingles from Timberline American Harvest offer rugged designs with advanced color application techniques for an added dimensional look to your homes. Color industry expert Patricia Verlodt was responsible for creating the aesthetics of these roof shingles.

With the subtle blends and contrasting colors of these roof shingles, your home will certainly look more elegant with a hint of charm. The roofing shingles under this line are available in six different colors, from wheat-inspired shades to cool, bluer tones. These colors are the following:

  • Amber Wheat
  • Appalachian Sky
  • Cedar Falls
  • Golden Harvest
  • Nantucket Morning
  • Saddlewood Ranch

Timberline HD

Timberline HD roof shingles offer straightforward styles with exceptional performance. They are available in 9 different wood-shade colors:

  • Barkwood
  • Charcoal
  • Hickory
  • Hunter Green
  • Mission Brown
  • Pewter Gray
  • Shakewood
  • Slate
  • Weathered Wood 

Roof shingles under this line are designed with proprietary blends and shadow effects to match the historical look of your homes. 

Both roof shingle lines offer promising aesthetic features that will certainly improve the overall look of your home. The decision between Timberline HD and Timberline American Harvest will depend on the style and vibe of the home where the roof shingles will be installed.


Timberline American Harvest vs. HD: Final Showdown

Timberline American Harvest roof shingles offer fast and easy installation powered by LayerLock technology. Compared to Timberline HD, Timberline American Harvest shingles are designed to achieve up to 99.9% nail accuracy and 30% faster nail fastening. 

With the StainGuard Plus time-release technology, Timberline American Harvest roof shingles provide long-lasting protection against algae, especially blue-green algae discoloration. 

Meanwhile, Timberline HD offers the strongest wind resistance, reaching up to 209 kph. The diamond-coated outermost part of the roof shingles is UV blockers to protect your roof from direct sun exposure. Roof shingles under Timberline HD also offer the highest fire rating. 


Which Roof Shingles Should You Choose?

Both Timberline HD and Timberline American Harvest offer promising roof shingles for your homes. Timberline American Harvest roof shingles are more suitable for houses with modernized architectural style as they accentuate your home’s details with their custom color palette. 

On the other hand, choose Timberline HD roof shingles when you want your homes to have an old-fashioned look; these roof shingles are available in straightforward woodshade colors. This is the brand of choice for homes directly exposed to the sun. If you still aren’t sold, check out how Timberline HD compares to Timberline Natural Shadow roof shingles.

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Editorial Contributors
avatar for Matt Greenfield

Matt Greenfield

Matt Greenfield is an experienced writer specializing in home improvement topics. He has a passion for educating and empowering homeowners to make informed decisions about their properties. Matt's writing focuses on a range of topics, including windows, flooring, HVAC, and construction materials. With a background in construction and home renovation, Matt is well-versed in the latest trends and techniques in the industry. His articles offer practical advice and expert insights that help readers tackle their home improvement projects with confidence. Whether you're a DIY enthusiast or a seasoned professional, Matt's writing is sure to provide valuable guidance and inspiration.

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