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Landmark is CertainTeed’s tried-and-true architectural laminate roofing shingle. Designed to replicate the appearance of cedar shake roofing, Landmark is available in an impressive array of colors that compliment any trim, stucco or siding.

Technical Information

CertainTeed - Traditional XT25

CertainTeed - Traditional CT20

CertainTeed Roofing CT™ 20

A tough, one-piece shingle - ideal for situations where the highest quality roofing products are called for at an economical price Installation is fast and easy to minimize roofing disruption and time. Built on a tough fiber glass base, this shingle performs for years and years.

CertainTeed Roofing XT™ 25

When it comes to weathering the elements, XT 25 is quite simply at the top of its class. Built on a tough fiberglass base, each shingle provides exceptional resistance to blow-off and tearing and has a 10-year StreakFighter® warranty


Designed with external baffles which maximize airflow across the underside of roof sheathing, the CertainTeed® Ridge Vent works year-round to efficiently and effectively ventilate an attic space.

Less than an inch in height, and molded from high-impact copolymer, it’s slim profile blends for visual appeal while permitting shingle capping over the ridge for a uniform, finished roof aesthetic.


Mountain Ridge®

Mountain Ridge® high-profile hip and ridge accessory is the perfect finishing touch for your roof with blended color and high-profile design. The difference is noticeable…by blending in.

Blended color creates a unified look with the field shingles, instead of a «striped» look.



CedarCrest® features blended, consistent colors and an upgraded medium profile, with two full layers of premium materials and an overlay for a striking dimensional appearance that coordinates seamlessly with Landmark® Series, Presidential® Series, Highland Slate® and Belmont® shingles.  Also available in an impact resistant version to match Presidential® Shake IR and Belmont® IR shingles.



Shadow Ridge ClimateFlex shingles are used to finish the hips and ridges of a roof shingled with NorthGate ClimateFlex shingles in order to provide a complete, finished look. They carry the same warranty as the shingles they are applied over, and are available in matching colors. 



For a stylish finishing touch to hips and ridges, use Shangle Ridge® hip and ridge accessory–designed specifically for use with and is available in colors to match your Grand Manor®, Carriage House®, Belmont® and Highland Slate® shingles.



Shadow Ridge® Hip and Ridge Accessory Shingles are designed specifically for use with Landmark® TL and Landmark® Series shingles and are used to finish the hips and ridges of your roof. Shadow Ridge meets the hip and ridge accessory requirements for the CertainTeed Integrity Roof System® which is comprised of underlayments, shingles, accessory products and ventilation all working together.



CertainTeed’s DiamondDeck® High Performance Synthetic Underlayment is manufactured to provide best-in-class performance in terms of both weather protection and contractor safety.

DiamondDeck is a synthetic, scrim-reinforced, water-resistant underlayment that can be used beneath shingle, shake, metal or slate roofing. It has exceptional dimensional stability compared to standard felt underlayment.



RoofRunner™ is a lightweight, synthetic polymer-based underlayment that outperforms felt and outclasses other synthetics.  Designed for use on roof decks as a water-resistant layer beneath asphalt roofing shingles, this scrim-reinforced underlayment includes a special top surface treatment that provides excellent slip resistance, even when wet.  It’s large roll size – 4 feet wide x 250 feet long – helps speed application.

  • Roofing
  • Architectural
  • 3 TAB
  • Accessories

Timberline® Natural Shadow® Shingles

Since your roof can represent up to 40% of your home’s curb appeal, you can improve its resale value with Timberline® Natural Shadow® Shingles from GAF. They’ll give you the upscale, architectural look you want at a price you can afford.

Timberline HD® Shingles

Help improve your home’s resale value with Timberline HD® Shingles from GAF. Timberline® High Definition® Shingles with Advanced Protection® Shingle Technology are the #1-selling shingles in North America. Timberline HD® Shingles will not only protect your most valuable asset but also beautify your home for years to come.

Timberline® American Harvest® Shingles

Timberline® American Harvest® Shingles with Advanced Protection® Shingle Technology are architecturally stylish, yet practically priced, resulting in a high-performance shingle that provides excellent protection for your home.

Timberline Ultra HD® Shingles

For just pennies-a-day more than standard architectural shingles, you can enjoy Timberline Ultra HD® Shingles, the thickest, most ultra-dimensional Timberline High Definition® Shingle. Featuring GAF’s proprietary color blends, Timberline Ultra HD® Shingles offer a wood-shake look with an incredible thickness that you’ll notice and appreciate.

Marquis WeatherMax® Roofing Shingles

Marquis WeatherMax® roofing shingles are designed for homeowners who demand superior performance, classic detailing, and a traditional appeal in a basic 3-tab shingle


Royal Sovereign® Roofing Shingles

Royal Sovereign® roofing shingles combine a simple, timeless beauty with GAF’s Advanced Protection™ technology — making it our most popular 3-tab shingle.


LIBERTY™ SBS Self-Adhering Roofing System

A Self-Adhering Roofing System will provide long-lasting protection for the low-slope areas of your property without the danger or hassles associated with the installation of other conventional roofing products.
Commercial Roofing Supplier in Atlanta GA

Master Flow® Attic Ventilation & Accessory Products

Proper attic ventilation systems allow a continual flow of outside air through the attic, protecting the efficiency of the insulation and helping to lower temperatures in the living space.

Shingle Match™ Roof Accessory Paint

Enhances the beauty of your roof by hiding unsightly roof penetrations such as stacks, vent pipes, exhaust vents, and flashings. Maximum performance for less call-backs!

Synthetic Felt Buster GAF

FeltBuster 1000 sq. Ft.
Synthetic Roofing Roll

Starter - Pro Start

Pro-Start 120 linear feet.
Starter strip shingles for eaves and rake roofs.

Seal & Ridge

Cost-effective 12″ (305 mm) width ridge cap shingles that help protect hips and ridges against blow-off.

Ridge Vent

Premium ridge vent with 3″ (76 mm) ring shank nails allows heat/moisture to escape the attic. Available in 11.5″ (292 mm) & 9″ (229 mm) widths.

  • Roofing
  • Architectural
  • 3 TAB


Our high-quality roofing shingles provide superior weather protection and boost the curb appeal of homes throughout the United States and Canada as well as many export markets. IKO Cambridge architectural shingles can enhance any home’s style, from traditional to modern, rustic to urban. Their dimensional profile and deep shadow bands evoke the upscale appearance of natural wood shakes, creating a high-end designer look at an affordable cost.

Marathon 25 years Limited Warranty

IKO Marathon Plus AR shingles have blue-green algae resistant granules
and a 25-year limited warranty.

Our 3-tab roofing shingles are built to last, thanks to their rugged, flexible
fiberglass mat construction and weather-resistant design.

Easy to install and inexpensive, these shingles are available in an attractive
range of color mixes.

MarathonTM Plus AR

IKO Marathon Plus AR is a time-tested, traditional 3-tab roofing shingle. Its weather-resistant design is based on a solid construction of durable fiberglass mat to help shield homes against the forces of nature. The classic design of IKO Marathon Plus AR will flatter any style of home. The algae-resistant granules embedded into these shingles will help control the black streaks caused by blue-green algae and keep them looking great for years to come.

  • Roofing
  • Architectural
  • 3 TAB