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Choosing the Right Underlayment for Your Asphalt Shingle Roof: A Comprehensive Guide by A&G Roofing

Jan 2, 2024

Underlayment

Underlayment

Introduction:
When it comes to asphalt shingle roofs, the underlayment is a critical component that plays a vital role in providing protection against the elements. As experts with over 55 years of experience, the team at A&G Roofing has been assisting homeowners in understanding the nuances of roofing components. In this article, we’ll delve into the importance of roof underlayment, the two main types available, and why synthetic underlayment is often considered the best choice.

Understanding Roof Underlayment:
Roof underlayment serves as an additional layer of defense between the roof decking and asphalt shingles, safeguarding the structure from environmental factors. The two primary types of underlayment for asphalt shingles are felt underlayment and synthetic underlayment. Felt underlayment, available in 15 lb and 30 lb rolls, is the traditional option, with the latter being thicker and more resilient. On the other hand, synthetic underlayment, made from woven/spun polyethylene or polypropylene, has gained popularity for its modern features.

Best Type of Underlayment for Asphalt Shingles:
While both felt and synthetic underlayment effectively perform their roles, A&G Roofing consistently recommends synthetic underlayment for asphalt shingles. The decision is based on considerations of durability, functionality, and pricing.

Weight Matters:
Synthetic underlayment weighs less than felt underlayment, impacting labor costs during roof replacement. The lighter weight of synthetic material allows for more efficient installation, reducing the need for additional rolls and minimizing the time and manpower required.

Durability and Safety:
Synthetic underlayment surpasses felt underlayment in durability. It is less prone to tearing in high winds, ensuring that your roof decking remains protected from water exposure. Additionally, synthetic underlayment repels water, preventing potential leaks and the rotting of the roof decking. Its non-skid properties enhance safety, reducing the risk of slips during installation.

Cost Considerations:
While synthetic underlayment comes at a slightly higher initial cost than felt underlayment, the benefits it offers justify the investment. The superior quality and added advantages make it a worthwhile choice for those seeking long-term durability and peace of mind.

Completing the Roof System:
Understanding the significance of synthetic underlayment is crucial, but it’s just one piece of the entire roof system. A comprehensive roof estimate should include all the necessary components for an asphalt shingle roof. Being aware of these elements ensures that your investment in a new roof is complete and provides lasting protection.

Conclusion:
Whether you opt for felt or synthetic underlayment, the key takeaway is that underlayment is indispensable for an asphalt shingle roof. A&G Roofing’s recommendation of synthetic underlayment stems from its superior qualities and the added safety it brings to the roofing process. By making an informed decision on underlayment and considering the entire roof system, you can confidently embark on your roof replacement journey with A&G Roofing.