The Global Modified Asphalt Roofing Underlying Market was valued at approximately US$ 2.34 Billion in 2024 and is projected to reach US$ 3.45 Billion by 2030, growing at a Compound Annual Growth Rate (CAGR) of 6.7% during the forecast period. This robust growth is propelled by booming global construction activity, increased demand for energy-efficient buildings, and a strong focus on improved roofing durability and weather resistance in both residential and commercial sectors.

Behind this expanding market are leading manufacturers and innovators who are setting the standards for material quality, sustainability, and performance. In this blog, we profile the Top 10 Companies in the Modified Asphalt Roofing Underlying Market—established giants and specialized players that are building the foundation for modern, resilient, and eco-friendly roofing systems worldwide.

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🔟 1. GAF Materials Corporation (Standard Industries)

Headquarters: Parsippany, New Jersey, USA
Key Offering: GAF WeatherWatch®, GAF FeltBuster® Synthetic Underlayment, SBS & APP Modified Bitumen Rolls

GAF is North America’s largest roofing manufacturer and a dominant force in the roofing underlayment market. Its product line includes high-performance modified asphalt underlayments like WeatherWatch, a premium synthetic product, and a comprehensive range of SBS (Styrene-Butadiene-Styrene) polymer-modified membranes. The company’s extensive distribution network and brand recognition make it a primary supplier for professional contractors.

Innovation & Sustainability Initiatives:

• Leadership in synthetic underlayment technology with improved slip resistance and durability.
• Significant investment in plant-based roofing material research and recycling programs.
• Commitment to reducing the carbon footprint of its manufacturing operations.

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9️⃣ 2. CertainTeed Corporation (Saint-Gobain)

Headquarters: Malvern, Pennsylvania, USA
Key Offering: DiamondDeck® Synthetic Underlayment, RoofRunner® Synthetic Underlayment, Flintlastic® SBS Base Sheets

A subsidiary of the global building materials giant Saint-Gobain, CertainTeed is a premier manufacturer of roofing, siding, and insulation. Its roofing division offers a suite of high-performance modified asphalt underlayments and base sheets, known for superior water resistance and strength. The company leverages Saint-Gobain’s R&D capabilities to enhance product longevity and installation efficiency.

Innovation & Sustainability Initiatives:

• Development of ultra-lightweight, high-strength synthetic underlayments.
• Pioneering cool roofing solutions that integrate with underlying materials.
• Focus on sustainable manufacturing with goals for zero production waste to landfill.

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8️⃣ 3. Oriental Yuhong (Beijing Oriental Yuhong Waterproof Technology Co., Ltd.)

Headquarters: Beijing, China
Key Offering: Yuhong SBS/APP Modified Bitumen Membranes, Self-Adhesive Underlayment, Composite Waterproofing Systems

Oriental Yuhong is the largest provider of waterproofing materials in China and a key global player in the modified asphalt sector. The company produces a vast array of SBS and APP (Atactic Polypropylene) modified membranes for roofing, with significant production capacity. Its growth is tightly linked to China’s massive infrastructure and construction boom, and it is rapidly expanding its international presence.

Innovation & Sustainability Initiatives:

• Massive R&D investment to develop new polymer-modified asphalt blends for extreme climates.
• Large-scale production capabilities, driving down costs for high-performance materials.
• Active in promoting green building standards and recyclable roofing systems.

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7️⃣ 4. Owens Corning

Headquarters: Toledo, Ohio, USA
Key Offering: Owens Corning® Synthetic Roofing Underlayment, Durafelt® Synthetic Underlayment

Owens Corning is a global leader in insulation, roofing, and fiberglass composites. Its roofing segment offers advanced synthetic underlayment products that complement its famous asphalt shingles. These underlayments are designed for enhanced tear strength, UV resistance, and weather protection, contributing to comprehensive roofing system solutions.

Innovation & Sustainability Initiatives:

• Integration of underlayment with full roofing systems for optimized performance.
• Leadership in using recycled materials in related product lines, with targets to increase circularity.
• Focus on products that improve energy efficiency of the entire building envelope.

Download FREE Sample Report: Modified Asphalt Roofing Underlying Market – View in Detailed Research Report

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6️⃣ 5. TehnoNICOL Corporation

Headquarters: Moscow, Russia
Key Offering: Technoelast® SBS & APP Membranes, Uniflex® Underlayment, Eco-Friendly Bitumen Materials

TehnoNICOL is the largest international manufacturer of roofing and waterproofing materials in Russia and Eastern Europe. The company offers a comprehensive portfolio of modified bitumen underlayment products, including advanced SBS and APP membranes, and has a strong focus on innovation for harsh climatic conditions.

Innovation & Sustainability Initiatives:

• Development of cold-applied liquid modified bitumen and self-adhesive membranes.
• Investments in green technologies, including modified bitumen with recycled content.
• Strategic expansion across Europe and Asia, catering to diverse market needs.

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5️⃣ 6. Atlas Roofing Corporation

Headquarters: Atlanta, Georgia, USA
Key Offering: Atlas Roofing Underlayments, StormTite® Synthetic Underlayment

Atlas Roofing, a part of the international building materials group CRH, is a significant manufacturer of polyiso insulation and roofing underlayments. Its synthetic underlayment products are engineered for high durability, moisture resistance, and safer walking surfaces during installation. The company’s focus on contractor ease-of-use has solidified its position in the professional market.

Innovation & Sustainability Initiatives:

• Product development focused on enhancing on-roof traction and resistance to extreme weather.
• Commitment to sustainable practices through energy-efficient manufacturing processes.
• Providing integrated systems that pair underlayment with high-performance insulation.

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4️⃣ 7. IKO Industries Ltd.

Headquarters: Brampton, Ontario, Canada
Key Offering: IKO SBS & APP Modified Bitumen Roofing Systems, Synthetic Underlayment, Base Sheets

IKO is a globally recognized, family-owned manufacturer of residential and commercial roofing products. The company produces a wide range of modified asphalt membranes for low-slope and steep-slope roofing. Its North American and European manufacturing footprint allows for consistent supply of high-quality underlayment and base sheet materials.

Innovation & Sustainability Initiatives:

• Continuous improvement of polymer-modified asphalt formulations for longer lifespan.
• Manufacturing facilities designed to minimize environmental impact and reduce energy consumption.
• Strong focus on product testing and certification for global building code compliance.

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3️⃣ 8. TAMKO Building Products LLC

Headquarters: Joplin, Missouri, USA
Key Offering: TAMKO® Modified Asphalt Roof Underlayment, Heritage® SBS Membranes, Titanium® PSU Underlayment

TAMKO is a leading, privately-held manufacturer of roofing products in the United States. The company offers a variety of underlayment solutions, including traditional felt and advanced synthetic options designed for superior water holdout. Its modified asphalt base sheets are key components in high-performance commercial roofing assemblies.

Innovation & Sustainability Initiatives:

• Producing high-strength, multi-ply synthetic underlayments with excellent tear resistance.
• Utilization of recycled materials, such as tire rubber, in certain product lines.
• Investment in plant automation and technology for consistent product quality and efficiency.

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2️⃣ 9. Polyglass USA, Inc.

Headquarters: Miami, Florida, USA
Key Offering: Polyglass Self-Adhered Underlayments (SA), APP & SBS Modified Membranes, Elastoflex® Roofing Systems

Polyglass is an innovator in the manufacture of modified bitumen membranes and underlayments, with a strong focus on self-adhered (SA) technology. Its products are known for advanced polymer modifications and are widely used in demanding commercial, industrial, and residential applications across the Americas.

Innovation & Sustainability Initiatives:

• Pioneering in self-adhered, granular-surfaced cap sheets and leak-barrier underlayments.
• Development of products with enhanced fire resistance and wind uplift ratings.
• Dedicated R&D efforts towards sustainable, low-VOC adhesives and production methods.

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1️⃣ 10. Bauder Ltd.

Headquarters: Ipswich, United Kingdom
Key Offering: Bauder SBS Membranes, BauderTEC® K SA Underlayment, Green Roofing Systems

Bauder is Europe’s leading independent specialist in flat roofing and waterproofing solutions. The company is renowned for its high-quality SBS modified bitumen membranes and integrated green roofing systems. Bauder’s emphasis on technical support, system warranties, and sustainable building solutions makes it a key partner for architects and contractors.

Innovation & Sustainability Initiatives:

• Industry leader in combining modified asphalt roofing with vegetative (green) roof technology.
• Comprehensive life-cycle analysis and environmental product declarations (EPDs) for its systems.
• Strong focus on cold-applied, solvent-free systems to improve installer safety and environmental profile.

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🏗️ Outlook: The Future of Roofing Underlayment is Smarter and More Sustainable

The modified asphalt roofing underlying market is evolving from a basic moisture barrier to a critical component of high-performance, sustainable building envelopes. The industry’s trajectory is increasingly defined by material science, longevity, and environmental responsibility.

📈 Key Trends Shaping the Market:

• Massive shift from traditional felt to synthetic polymer-based underlayments for superior durability and safety.
• Rising demand for self-adhered (peel-and-stick) underlayments that offer faster installation and improved sealing.
• Growing integration of cool roof and green roof technologies with high-performance underlying materials.
• Increased regulatory focus on urban heat island mitigation and energy codes, driving premium product adoption.
• Strategic investments in recycled content and end-of-life material reclamation to promote a circular economy.

The companies profiled above are not just supplying materials; they are engineering the foundational layer for safer, longer-lasting, and more energy-efficient buildings. Their ongoing innovations in polymer modification, installation technology, and sustainability are fundamentally shaping the future of global construction.

Get Full Report Here: Modified Asphalt Roofing Underlying Market – View in Detailed Research Report