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A Look at the Key Components of an Asphalt Shingle Roof

Curious about what goes into building a durable and long-lasting asphalt shingle roof? In this article, Jack The Roofer, a leading provider of quality roof replacement, explores the key components that contribute to the stability and effectiveness of this type of residential roofing system.

Roof Deck

The foundation of any asphalt shingle roof is its decking. It’s the flat surface supporting the entire roofing structure. A strong and stable roof deck is essential for your shingles’ long-term performance and durability.


The underlayment is a protective layer installed directly onto the roof deck. It’s a waterproof material that prevents leakage into your home. Consider it an extra shield against rain, snow, and ice, ensuring your roof deck remains unscathed from the elements.

Starter Shingles

The first row of shingles, known as starter shingles, plays a crucial role in preventing water infiltration at the roof edge. These are installed along the eaves and gutters and provide the initial line of defense against water and wind damage.

Asphalt Shingles

The star of the show, asphalt shingles, is the most visible and prominent component of the roof system. Available in various styles, such as three-tab and architectural, asphalt shingles are known for their durability and cost-effectiveness. They are composed of a fiberglass mat coated with asphalt and ceramic granules, protecting your roof from harsh weather conditions and UV rays. When selecting asphalt shingles for your roof, consider factors such as durability, color, and style.


Flashing is responsible for sealing joints and vulnerable areas where water could enter your home. These areas typically include valleys, chimneys, vents, and skylights. Proper installation by expert roofing contractors helps prevent leaks and prolongs the life of your asphalt shingle roof.

Ridge Cap Shingles

Ridge cap shingles are installed along the peaks and ridges of your roof. They sit atop the roof peaks and shield the ridge line from the effects of weather. They’re also responsible for giving your roof a complete, finished appearance.


A well-ventilated roof is critical for maintaining a comfortable indoor environment and preventing moisture buildup. Proper ventilation helps regulate attic temperatures. It also reduces the risk of ice dams in the winter and minimizes heat transfer in the summer.

Hire a Professional Roofer

A well-built asphalt shingle roof has several components working together to maintain the structural integrity of your home. If you’re looking for a professional roofer, Jack The Roofer is just a call away. We provide a range of roofing solutions, including roof repairs in Parker, Aurora, Centennial, and nearby areas in CO. For more inquiries, call (720) 722-2255, or fill out our contact form