When considering roof replacement or roof repair, it’s essential to understand the role of underlayment in the roofing system. Often overlooked, the underlayment serves as a barrier against water infiltration, ultimately protecting your home from potential damage. In this blog post, we explore why old underlayment must be replaced during roof replacement and why a complete tear-off is crucial for a successful project.
The Crucial Role of Underlayment in Roofing Systems
The underlayment sits between the roof deck and the shingles, providing an additional layer of protection from the elements. It keeps moisture from entering the home during rain. Over time, however, exposure to these conditions can degrade the underlayment, compromising its ability to perform effectively.
The Risks of Keeping the Old Underlayment
Leaving old underlayment in place during a roof replacement can lead to several problems. Firstly, the old material may not adhere properly to the new roofing components, leading to gaps through which water can penetrate. This is particularly risky in areas where weather unpredictability can test the resilience of roofing materials. Moreover, old underlayment might have hidden damage that isn’t immediately apparent, potentially leading to leaks, mold, and structural damage over time.
Why a Tear-Off Is Ideal During Roof Replacement
A complete tear-off, which involves removing all existing roofing materials down to the deck, is highly recommended during roof replacement. This process offers several benefits, such as:
Ensures Comprehensive Inspection
Removing the old underlayment provides an opportunity to thoroughly inspect the roof deck for damage, rot or other issues that could undermine the new roof’s integrity. This step is crucial for identifying areas that may require repair to prevent future problems.
Guarantees Compatibility and Longevity
New underlayment is designed to work seamlessly with modern roofing materials, offering enhanced protection against water and ensuring the roof’s overall longevity. By replacing the old underlayment, you can rest assured that your roof is equipped with the latest roofing technology and optimized for durability and performance.
Improves Roof Ventilation
A tear-off allows for the optimization of roof ventilation, a critical factor in extending the roof’s lifespan. Proper ventilation helps regulate attic temperatures and moisture levels, preventing issues like ice dams and contributing to a healthier, more efficient home.
Barnett Roofing is one of the area’s leading roofing contractors. We are committed to excellence, ensuring all the critical aspects of your roof are addressed. With our expertise, you can have peace of mind and long-lasting protection for your home. Call us at (865) 936-6959 or fill out our contact form to schedule a consultation.