5 Reasons Synthetic Roofing Underlayment Beats Traditional Felt

By: Blog Writer     Published: March 24, 2025      Category: Roofing

Traditional Felt versus Synthetic Roofing Underlayment

Roofing underlayment is a critical component of any roofing system, serving as a protective barrier beneath shingles or metal panels. Historically, traditional asphalt-saturated felt has been the go-to choice. However, modern building practices increasingly favor synthetic underlayments. Contractors, architects, and wholesale buyers are making the switch due to numerous advantages. Here are five reasons synthetic roofing underlayment clearly outperforms traditional felt:

1. Greater Strength and Durability

Synthetic roofing underlayment provides superior tear and puncture resistance compared to traditional felt. This durability makes it especially beneficial during installation when underlayment can be exposed to heavy foot traffic, dropped tools, or sharp edges. Unlike felt, synthetic underlayments resist tearing and maintain structural integrity throughout the installation process, significantly reducing callbacks and warranty-related issues.

2. Superior Moisture Protection

Effective moisture protection is critical to roof longevity. Synthetic underlayments offer enhanced resistance to water penetration, drastically reducing the risk of leaks and water-related damage. Traditional felt absorbs moisture and deteriorates over time, becoming increasingly less effective. Synthetic materials, however, repel water, providing reliable long-term protection against weather elements, safeguarding the structure beneath.

3. Increased UV Resistance

Traditional felt roofing underlayment deteriorates rapidly under prolonged UV exposure, which complicates scheduling and installation timelines. Synthetic underlayments, in contrast, feature impressive UV stability, typically capable of withstanding several months of direct sunlight exposure without damage. This flexibility is particularly valuable for large commercial or residential projects where roofing materials may not be immediately installed.

4. Improved Worker Safety and Installation Efficiency

Synthetic underlayments are designed with worker safety in mind. Their lightweight, slip-resistant surfaces make handling safer and easier, especially on steep slopes or large roofs. Contractors appreciate these safety enhancements, which not only prevent accidents but also streamline installation. Reduced roll weight and improved handling speed up installation times, ultimately lowering labor costs and enhancing productivity.

5. Long-Term Cost Savings and Project Value

While the initial investment in synthetic underlayment may be slightly higher than traditional felt, the long-term benefits far outweigh the upfront costs. Synthetic materials offer substantial cost savings through reduced maintenance, fewer repairs, and extended roof life. Architects and builders who prioritize sustainability and superior building performance will find synthetic underlayments an ideal choice for maximizing project value and client satisfaction.

Conclusion: Why Synthethic Roofing Underlayment is the best choice

The benefits of synthetic roofing underlayments are clear: enhanced strength, superior moisture and UV protection, improved installation safety, and significant cost savings over time. These advantages make synthetic underlayments the smart choice for today’s roofing projects.

Professionals looking for reliable and high-performance synthetic underlayments can confidently turn to Owens Corning Titanium and RhinoRoof products, available through Capital Forest Products. These trusted brands provide industry-leading solutions designed specifically to meet the rigorous demands of modern construction.

To learn more about Owens Corning Titanium and RhinoRoof synthetic underlayments or to explore wholesale opportunities, contact Capital Forest Products today.