The Global Modified Asphalt Roofing Underlayment Market was valued at USD 8.05 Billion in 2023 and is projected to reach USD 10.81 Billion by 2030, growing at a Compound Annual Growth Rate (CAGR) of 4.30% during the forecast period (2024–2030). This growth is being driven by an intensified focus on building durability, the rising frequency of extreme weather events, and significant advancements in roofing material technology across residential, commercial, and industrial construction sectors.

As the construction industry pivots towards higher-performing, longer-lasting building envelopes, the spotlight falls on the material innovators providing the critical first line of defense against water infiltration. In this blog, we profile the Top 10 Companies in the Modified Asphalt Roofing Underlayment Industry—a group of established manufacturers and technology leaders setting the standard for protection, performance, and sustainability in roofing systems worldwide.

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🔟 1. GAF Materials Corporation

Headquarters: Parsippany, New Jersey, USA
Key Offering: Deck-Armor®, RoofRunner®, WeatherWatch®

GAF is the largest roofing manufacturer in North America and a dominant global force in modified asphalt underlayments. The company offers a comprehensive portfolio of high-performance synthetic and rubberized asphalt underlayments known for exceptional durability, nail-sealing capability, and granule-surfaced walkability.

Innovation & Market Leadership:

• Pioneer in granule-surfaced, high-traction underlayments.
• Extensive contractor certification and training programs (GAF Certified).
• Sustainability focus through product recycling initiatives and durable system design.

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

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9️⃣ 2. Owens Corning

Headquarters: Toledo, Ohio, USA
Key Offering: WeatherLock® G, Tiger Paw™, ProArmor®

A global leader in building and construction materials, Owens Corning provides a robust suite of roofing underlayments under its renowned Owens Corning® and Owen Corning Pink® brands. Their products are engineered for superior waterproofing, tear resistance, and ease of installation.

Innovation & Market Leadership:

• Strong brand recognition and trust among roofing professionals.
• Integrated system approach, combining underlayment with insulation and shingles.
• Commitment to sustainable manufacturing and product lifecycle management.

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8️⃣ 3. CertainTeed Corporation (Saint-Gobain)

Headquarters: Malvern, Pennsylvania, USA
Key Offering: WinterGuard®, DiamondDeck®, RoofRunner®

As part of the global Saint-Gobain group, CertainTeed is a leading North American manufacturer of building materials. Its roofing division produces premium modified asphalt underlayments designed for extreme weather conditions, with a strong emphasis on ice and water shield protection in critical roof areas.

Innovation & Market Leadership:

• Focus on high-adhesion, self-sealing products for leak-proof performance.
• Comprehensive residential and commercial roofing system solutions.
• Investment in R&D for enhanced polymer-modified asphalt formulations.

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7️⃣ 4. IKO Industries Ltd.

Headquarters: Brampton, Ontario, Canada
Key Offering: Stormtite®, ArmourGard®, Perma®

IKO is a vertically integrated, multinational manufacturer of roofing products with a significant global footprint. The company produces a wide array of modified bitumen underlayments, including heavy-duty, granular-surfaced varieties that serve as temporary roofs and premium synthetic underlayments.

Innovation & Market Leadership:

• Global manufacturing and distribution network across North America and Europe.
• Vertically integrated control over raw materials and production quality.
• Product lines tailored for specific regional climatic challenges.

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

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6️⃣ 5. Henry Company

Headquarters: El Segundo, California, USA
Key Offering: Blueskin® WP, Roof Guard®, Pro-Felt®

Henry Company specializes in building envelope systems, with a deep heritage in roofing and waterproofing technologies. Its underlayment portfolio is known for innovative adhesive technologies, such as self-adhered ice and water barriers (Blueskin®) that provide superior sealing around nails and seams.

Innovation & Market Leadership:

• Expertise in advanced polymer and adhesive technologies for airtight, watertight seals.
• Strong presence in both the professional contractor and retail DIY channels.
• Focus on comprehensive moisture management for the entire building envelope.

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5️⃣ 6. Polyglass S.p.A.

Headquarters: Venezia, Italy
Key Offering: Mapefast, Polyshield, Polystick

Polyglass is a leading European manufacturer of modified bitumen membranes and underlayments, renowned for its innovation in polymer modification and sustainable practices. The company has a growing influence in North America and other global markets through strategic investments and technology.

Innovation & Market Leadership:

• Pioneer in APP (Atactic Polypropylene) and SBS (Styrene-Butadiene-Styrene) polymer modification.
• Strong commitment to eco-friendly products, including recycled content and cool roofing solutions.
• Advanced production technologies ensuring consistent product quality.

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4️⃣ 7. Tamko Building Products LLC

Headquarters: Joplin, Missouri, USA
Key Offering: Heritage® FeltBuster®, WeatherFighter®

Tamko is a major American manufacturer of roofing products and waterproofing systems. The company offers a range of modified asphalt underlayments, including popular synthetic options that are lightweight, highly durable, and designed for fast installation.

Innovation & Market Leadership:

• Focus on high-strength, woven synthetic underlayments that resist tears and wrinkles.
• Vertically integrated operations from refining to manufacturing.
• Nationwide distribution network supporting broad market access.

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3️⃣ 8. Siplast (GCP Applied Technologies Inc.)

Headquarters: Cambridge, Massachusetts, USA
Key Offering: Siplast IR MK, Protecto Bond

Siplast, a GCP company, is a specialist in high-performance roofing and waterproofing systems, particularly for commercial, institutional, and specialty applications. Its underlayments are engineered for compatibility with various membrane systems, offering robust protection for complex roof decks.

Innovation & Market Leadership:

• Expertise in tailored solutions for low-slope and steep-slope commercial roofing.
• Products designed for compatibility with adhered, mechanically fastened, and loose-laid systems.
• Focus on technical support and specification-driven sales.

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2️⃣ 9. Atlas Roofing Corporation

Headquarters: Meridian, Mississippi, USA
Key Offering: StormTie™, Roofing Felt

A subsidiary of Atlas Molded Products, Atlas Roofing is a significant supplier of roofing underlayments and other residential construction materials. The company provides reliable, code-compliant modified asphalt underlayments that balance performance with cost-effectiveness for production homebuilding.

Innovation & Market Leadership:

• Strong relationships with large national homebuilders and distributors.
• Commitment to manufacturing products that meet stringent building code requirements.
• Integrated product offerings that include underlayment, insulation, and ventilation.

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

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1️⃣ 10. MFM Building Products Corp.

Headquarters: Coshocton, Ohio, USA
Key Offering: Peel & Seal®, Top Seal

MFM is a key player in the manufacture of peel-and-stick, self-adhered underlayments and flashing products. The company’s products are widely used for ice and water shield applications in roof valleys, eaves, and walls, known for their strong adhesion and ease of use.

Innovation & Market Leadership:

• Specialization in self-adhered, rubberized asphalt products.
• Significant market share in the critical leak-barrier segment of the underlayment market.
• Focus on providing effective moisture management solutions for problematic roof areas.

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🌍 Outlook: The Future of Roofing Underlayment Is Smarter and More Sustainable

The modified asphalt roofing underlayment market is evolving beyond basic waterproofing. Today, it is characterized by a drive towards enhanced durability, improved installation efficiency, and a reduced environmental footprint, shaping the next generation of building envelope solutions.

📈 Key Trends Shaping the Market:

• Rise of High-Performance Synthetics: Growing preference for woven polypropylene and polyester underlayments due to superior tear strength, UV resistance, and lightweight properties.
• Integration of Smart Features: Development of underlayments with moisture-sensing indicators or enhanced vapor diffusion properties for better attic health monitoring.
• Sustainability Mandates: Increased demand for underlayments with high recycled content, recyclability, and products that contribute to green building certifications like LEED.
• Ease of Installation: Continuous innovation in product formats—such as wider rolls, advanced adhesives, and improved nail-seal technology—to reduce labor time and ensure proper installation.

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

The companies profiled above are not merely supplying a commodity; they are providing the fundamental protective layer that ensures the longevity and integrity of structures globally, while actively engineering a more resilient and sustainable built environment.