Building Membranes

Building Membranes Market Outlook

The global building membranes market is projected to reach USD 45.5 billion by 2035, growing at a compound annual growth rate (CAGR) of around 5.4% from 2025 to 2035. This growth is primarily driven by the increasing demand for energy-efficient and sustainable building materials, alongside rising construction activities across both residential and commercial sectors. Additionally, stringent government regulations regarding building codes and the increasing need for waterproofing solutions are further boosting the market dynamics. The growing awareness about environmental sustainability is leading to the adoption of advanced membrane technologies that offer enhanced durability and performance. Moreover, the rapid urbanization and infrastructural developments in emerging economies are significantly contributing to the expansion of the building membranes market.

Growth Factor of the Market

The growth of the building membranes market can be attributed to several key factors, each contributing to a robust and dynamic landscape. One of the primary factors is the rising demand for energy-efficient solutions in construction, as builders and architects increasingly focus on creating structures that minimize energy consumption. Additionally, the growing trend towards sustainable building practices is pushing manufacturers to innovate and produce membranes that meet eco-friendly certifications. Furthermore, advancements in membrane technology, including improved durability and weather resistance, are making these products more desirable for a variety of applications. The construction industry’s recovery from economic downturns, particularly in regions like North America and Asia Pacific, is also playing a crucial role in market growth. Lastly, the increasing awareness of the benefits of building membranes in enhancing overall building performance is further propelling the market forward.

Key Highlights of the Market

• The building membranes market is expected to witness a CAGR of 5.4% between 2025 and 2035.
• North America and Europe are currently leading markets due to well-established construction sectors.
• Adoption of sustainable building practices is becoming a norm, significantly impacting demand.
• Technological advancements are enhancing the performance and longevity of membranes.
• The rise in infrastructural projects in developing economies is contributing to market expansion.

By Product Type

Bituminous Membranes:

Bituminous membranes are widely utilized for their excellent waterproofing properties, making them a preferred choice in various applications, especially roofing. These membranes are composed of bitumen, a viscous material derived from petroleum, which provides exceptional resistance to water and extreme weather conditions. The versatility of bituminous membranes allows them to be applied in both flat and sloped roofing systems. Moreover, their ease of installation and maintenance further enhances their attractiveness in commercial and residential projects, leading to steady demand in the market. The durability of bituminous membranes, combined with their cost-effectiveness, ensures that they are a staple in the building membranes market, particularly in regions with diverse climatic conditions.

PVC Membranes:

PVC membranes are gaining popularity due to their lightweight nature and robust performance characteristics. These membranes are made from polyvinyl chloride, which offers excellent flexibility and resistance to UV radiation, making them ideal for roofing and other applications exposed to harsh environmental conditions. Their ability to withstand chemical exposure and their inherent fire-resistant properties contribute to their appeal in various construction scenarios. The ease of installation and the availability of various thicknesses further enhance their adoption. Additionally, the recyclability of PVC membranes aligns with the increasing consumer preference for sustainable building materials, positioning them favorably in the market.

EPDM Membranes:

EPDM (Ethylene Propylene Diene Monomer) membranes are known for their exceptional durability and weather resistance, making them suitable for a wide range of applications, particularly in roofing systems. These synthetic rubber membranes offer excellent elasticity and can withstand extreme temperature fluctuations, UV radiation, and ozone exposure, ensuring longevity and reliability. EPDM membranes are also highly resistant to water, making them a popular choice for flat roofing installations. Their lightweight nature and easy installation process make them a preferred option for contractors, contributing to their growing market share. As the construction industry continues to prioritize sustainable materials, EPDM membranes, with their environmentally friendly properties, are likely to see increased adoption.

TPO Membranes:

TPO (Thermoplastic Olefin) membranes are emerging as a popular choice in the building membranes market due to their excellent energy efficiency and cost-effectiveness. Made from a blend of polypropylene and ethylene-propylene rubber, TPO membranes are lightweight and easy to install, making them suitable for a variety of roofing applications. Their reflective surface helps in reducing energy consumption by minimizing heat absorption, which is particularly beneficial in warmer climates. TPO membranes also boast resistance to UV rays, ozone, and chemical exposure, enhancing their durability. As building owners and contractors increasingly prioritize eco-friendly materials and energy-efficient solutions, TPO membranes are gaining traction in the market.

HDPE Membranes:

High-Density Polyethylene (HDPE) membranes are known for their exceptional strength and impermeability, making them ideal for applications requiring high resistance to water and chemicals. These membranes are commonly used for below-grade waterproofing, landfill applications, and in various industrial settings. The robustness of HDPE membranes allows them to withstand harsh environmental conditions, including extreme temperatures and UV exposure. Furthermore, their lightweight nature simplifies transportation and installation, presenting a significant advantage in construction projects. The growing emphasis on environmental sustainability is also driving the demand for HDPE membranes, as they can be recycled and reused, aligning with modern construction practices.

By Application

Roofing:

The roofing segment is one of the largest applications for building membranes, as these products play a critical role in providing waterproofing and thermal insulation for buildings. With the rising focus on energy efficiency, modern roofing systems increasingly incorporate advanced membrane materials that enhance the overall performance of the structure. Building membranes used in roofing applications are designed to withstand environmental stressors such as rain, snow, and UV radiation, ensuring a long-lasting protective barrier. The growing trend of green roofing and the adoption of reflective membranes that reduce energy consumption further drive innovation and demand in this segment. As construction activities continue to grow, particularly in urban areas, the roofing application of building membranes is expected to see substantial growth.

Walls:

Building membranes are also extensively utilized in wall applications, offering essential moisture control and thermal insulation. These membranes help to prevent water ingress while allowing vapor to escape, thus enhancing the durability and longevity of the building structure. The increasing adoption of energy-efficient and sustainable building materials has propelled the need for effective wall membranes that can withstand environmental challenges. Furthermore, the rise in construction of commercial and residential buildings, particularly in climate-sensitive regions, is boosting demand for wall membranes. With continuous advancements in membrane technology and a growing awareness of the importance of wall insulation, this segment is positioned for significant growth in the coming years.

Flooring:

In flooring applications, building membranes serve to prevent moisture damage and provide thermal insulation, making them essential in both residential and commercial buildings. The demand for high-performance flooring membranes has surged due to increasing awareness about the detrimental effects of moisture on flooring systems, such as mold growth and structural damage. Manufacturers are focusing on developing membranes that are not only effective in moisture control but also provide sound insulation and thermal comfort. The growing trend of underfloor heating systems further drives the adoption of advanced flooring membranes that enhance overall performance. As the construction industry evolves, the flooring application of building membranes is expected to continue its upward trajectory.

Bridges:

Building membranes are increasingly being used in bridge applications to provide waterproofing and protection against corrosive elements. The unique challenges posed by bridge construction, including varying load capacities and exposure to environmental elements, necessitate the use of high-quality membranes that ensure structural integrity. Membranes in bridge applications not only enhance durability but also reduce maintenance costs by preventing water-related damages. The growing investment in infrastructure development and the maintenance of existing bridges further contribute to the demand for effective membrane solutions in this segment. As urbanization continues to rise, the need for resilient and reliable bridge systems will likely drive the growth of building membranes in this application.

Tunnels:

Tunnel applications for building membranes are critical for ensuring waterproofing and structural integrity in subterranean constructions. The exposure to groundwater and other environmental factors makes it essential to utilize high-performance membranes that can withstand significant hydrostatic pressure. Building membranes deployed in tunnels help to prevent water ingress and protect structural materials from damage, thereby prolonging the lifespan of the tunnel. With increasing investments in underground infrastructure, particularly in urban areas experiencing rapid growth, the demand for effective membrane solutions in tunnel applications is expected to escalate in the coming years. As technology advances, the development of specialized membranes tailored for tunnel environments will further enhance market opportunities.

By Distribution Channel

Direct Sales:

Direct sales represent a significant distribution channel in the building membranes market, allowing manufacturers to engage directly with end-users and construction companies. This approach not only facilitates a deeper understanding of customer needs but also ensures better product support and service. Direct sales enable manufacturers to maintain control over the supply chain, ensuring timely delivery and availability of products. Additionally, it helps in building strong relationships with clients, fostering trust and loyalty. As the construction industry evolves, the efficiency of direct sales strategies is likely to drive increased market penetration and customer satisfaction in the building membranes segment.

Distributors:

Distributors play a crucial role in the building membranes market by bridging the gap between manufacturers and end-users. They facilitate the distribution of products across various geographical locations, ensuring that building membranes are readily available to contractors, builders, and architects. Distributors often provide valuable market insights and support to manufacturers, helping them to optimize their offerings based on regional demand. The reliance on distributors is particularly important in diverse markets where local knowledge and expertise are essential for navigating logistics and regulatory requirements. As construction activities expand globally, the role of distributors in enhancing product availability and market reach will become increasingly significant.

Retailers:

Retailers serve as an essential distribution channel for building membranes, particularly in the consumer-oriented segment of the market. Home improvement stores and specialized building material retailers provide a platform for customers to purchase membranes for DIY projects or small-scale renovations. The convenience of retail outlets allows consumers to access a variety of building membrane options, fostering competition and innovation among manufacturers. Retailers also play a vital role in educating consumers about product features and installation processes, enhancing customer confidence in their purchases. As the trend toward home renovations continues to rise, the retail channel is expected to see increased demand for building membranes.

E-commerce:

E-commerce has emerged as a powerful distribution channel for building membranes, driven by the growing trend of online shopping and digital transformation in the construction industry. This channel offers convenience for both consumers and contractors, allowing them to explore a wide range of products and make purchases from the comfort of their homes or workplaces. E-commerce platforms provide access to detailed product information, reviews, and competitive pricing, which enhances informed decision-making for buyers. The ability to quickly compare different brands and types of building membranes online is a significant advantage in today’s fast-paced market. As the digital landscape continues to evolve, e-commerce is expected to play a crucial role in the growth of the building membranes market.

By Material Type

Polymer-based Membranes:

Polymer-based membranes are gaining traction in the building membranes market due to their versatile properties and performance characteristics. These membranes are engineered from synthetic materials, offering excellent flexibility and resistance to environmental stressors such as UV radiation and chemical exposure. Their lightweight nature and ease of installation make them suitable for various applications, including roofing, walls, and flooring. The durability of polymer-based membranes ensures long-lasting performance, which is a critical factor in maintaining building integrity. As the construction industry increasingly prioritizes sustainability, the demand for polymer-based membranes is expected to grow, reinforcing their significance in the market.

Metal-based Membranes:

Metal-based membranes are known for their exceptional strength and durability, making them an attractive choice for various building applications. These membranes, often made from aluminum or stainless steel, provide superior resistance to corrosion, weathering, and mechanical stress, making them ideal for roofing and external cladding. The sustainable nature of metal-based membranes, including their recyclability, aligns with modern construction practices that prioritize eco-friendly materials. Additionally, the aesthetic appeal of metal membranes enhances the architectural design of buildings, further driving their adoption in the market. As the demand for resilient and visually appealing building materials rises, metal-based membranes are expected to experience significant growth.

Bitumen-based Membranes:

Bitumen-based membranes are widely recognized for their outstanding waterproofing capabilities, making them a staple in the building membranes market. These membranes are typically used in roofing applications due to their ability to form a reliable barrier against water intrusion. The flexibility and durability of bitumen allow these membranes to withstand extreme weather conditions, ensuring long-lasting performance. As construction practices evolve and emphasize energy efficiency, manufacturers are introducing modified bitumen membranes that incorporate additives to enhance performance characteristics. The continued focus on effective waterproofing solutions in both commercial and residential projects positions bitumen-based membranes for sustained demand in the market.

Composite Membranes:

Composite membranes combine various materials to achieve enhanced performance characteristics, making them increasingly popular in the building membranes market. These membranes are engineered to provide superior resistance to moisture, UV rays, and temperature fluctuations, catering to the diverse requirements of modern construction. The tailored properties of composite membranes allow for versatility in applications, including roofing, flooring, and walls. Their lightweight nature, coupled with enhanced durability, positions them as a favorable choice for developers and contractors. As the construction sector increasingly seeks innovative solutions, composite membranes are expected to gain traction and contribute significantly to market growth.

Others:

This category encompasses various specialized membrane solutions that do not neatly fit into the aforementioned types. These include membranes made from alternative materials, such as natural fibers or innovative blends that offer unique properties. The ‘Others’ segment is gaining attention as manufacturers explore new materials and technologies to create high-performance membranes tailored for specific applications. The growing demand for sustainable building practices encourages innovation in this sector, leading to the development of eco-friendly membranes that reduce environmental impact. As construction projects become more specialized, the ‘Others’ segment is likely to see increased attention and growth opportunities in the building membranes market.

By Region

The North American building membranes market is projected to hold a significant share due to the region’s well-established construction industry and increasing investments in infrastructure development. The rising demand for energy-efficient buildings and the implementation of stringent building codes further drive the adoption of advanced membrane technologies. The market in North America is expected to witness a CAGR of around 5.1% during the forecast period, driven by the continuous growth of the commercial and residential sectors. Additionally, the growing trend of sustainable construction practices and the need for innovative waterproofing solutions are supporting market growth in the region.

In Europe, the building membranes market is characterized by a strong emphasis on sustainability and environmental regulations. The region is witnessing a surge in green building initiatives, leading to increased adoption of high-performance building membranes that align with energy efficiency goals. Countries such as Germany, France, and the UK are at the forefront of innovative construction practices, significantly contributing to market growth. The European market is expected to grow at a CAGR of approximately 5.6% over the forecast period, driven by growing demand for advanced membrane solutions in both residential and commercial applications.

Opportunities

The building membranes market presents numerous opportunities that are poised to propel growth in the coming years. One of the most significant opportunities lies in the increasing adoption of green building practices. As governments and organizations worldwide emphasize sustainable construction, there is a growing demand for building materials that minimize environmental impact. This shift opens avenues for manufacturers to develop innovative membrane solutions that meet eco-friendly standards, thereby expanding their market reach. Furthermore, advancements in membrane technology, such as self-healing membranes and smart materials, are creating exciting prospects for improving building performance and enhancing durability.

Another promising opportunity can be found in emerging economies, where rapid urbanization is driving a surge in construction activities. As these regions invest in infrastructure development, the demand for reliable and effective building membranes is expected to rise significantly. Manufacturers who can tailor their products to meet the specific needs of these markets will likely find substantial opportunities for growth. Additionally, the increasing focus on renovation and retrofitting projects in developed markets presents a secondary opportunity for building membranes, as older structures often require modern waterproofing solutions to meet current standards and enhance overall performance.

Threats

Despite the promising outlook for the building membranes market, various threats could impede its growth trajectory. One major concern is the volatility in raw material prices, which can affect production costs and ultimately lead to increased end-user prices. Fluctuations in the prices of petroleum-based materials, such as bitumen and polymers, can create uncertainty for manufacturers, potentially impacting their profitability and market competitiveness. Furthermore, the emergence of alternative materials and technologies poses a threat to traditional building membranes, as consumers may opt for innovative solutions that offer enhanced performance or sustainability, thereby affecting traditional membrane sales.

Additionally, stringent regulatory requirements and standards can present challenges for manufacturers, especially smaller companies that may lack the resources to navigate complex compliance processes. Adherence to evolving building codes and environmental regulations requires continuous investment in product development and certification, which can strain operational capabilities. Lastly, intense competition among established players and new entrants can lead to price wars, further squeezing profit margins and creating a challenging market environment for all stakeholders involved.

Competitor Outlook

• GAF Materials Corporation
• Johns Manville
• Sika AG
• Owens Corning
• Firestone Building Products
• TRAFIRES
• CertainTeed Corporation
• DuPont de Nemours, Inc.
• Solmax
• Bauder Ltd.
• IKO Industries Ltd.
• Mapei S.p.A.
• PVC Membrane Systems, Inc.
• Asphalt Roofing Manufacturers Association (ARMA)
• Westile Roofing Systems

The competitive landscape of the building membranes market is characterized by the presence of both established players and emerging companies striving to capture market share through innovative solutions and strategic partnerships. Major manufacturers are focusing on research and development to create advanced membrane technologies that cater to the evolving needs of the construction industry. Additionally, companies are increasingly emphasizing sustainability in their product offerings, aligning with the global push towards eco-friendly building practices. This focus on sustainable solutions is fostering collaboration among industry stakeholders, including manufacturers, distributors, and construction firms, to drive innovation and market expansion.

Among the prominent players, GAF Materials Corporation stands out for its comprehensive range of roofing solutions, including advanced building membranes. The company invests heavily in R&D to enhance product performance and durability while adhering to sustainability standards. Similarly, Sika AG has positioned itself as a leader in the construction chemicals market, offering a variety of innovative membrane solutions designed for both waterproofing and thermal insulation. Their commitment to sustainability and product excellence reinforces their strong market presence.

Another notable player is Owens Corning, recognized for its high-quality roofing and insulation products. The company has been actively developing energy-efficient building membrane solutions that align with modern construction practices. Additionally, Firestone Building Products has established itself as a key player in the commercial roofing market, offering a diverse portfolio of innovative and durable building membranes. Their emphasis on providing comprehensive roofing solutions and exceptional customer service has contributed to their strong foothold in the market.

• 1 Appendix

  • 1.1 List of Tables
  • 1.2 List of Figures

• 2 Introduction

  • 2.1 Market Definition
  • 2.2 Scope of the Report
  • 2.3 Study Assumptions
  • 2.4 Base Currency & Forecast Periods

• 3 Market Dynamics

  • 3.1 Market Growth Factors
  • 3.2 Economic & Global Events
  • 3.3 Innovation Trends
  • 3.4 Supply Chain Analysis

• 4 Consumer Behavior

  • 4.1 Market Trends
  • 4.2 Pricing Analysis
  • 4.3 Buyer Insights

• 5 Key Player Profiles

  • 5.1 Solmax
    • 5.1.1 Business Overview
    • 5.1.2 Products & Services
    • 5.1.3 Financials
    • 5.1.4 Recent Developments
    • 5.1.5 SWOT Analysis
  • 5.2 Sika AG
    • 5.2.1 Business Overview
    • 5.2.2 Products & Services
    • 5.2.3 Financials
    • 5.2.4 Recent Developments
    • 5.2.5 SWOT Analysis
  • 5.3 TRAFIRES
    • 5.3.1 Business Overview
    • 5.3.2 Products & Services
    • 5.3.3 Financials
    • 5.3.4 Recent Developments
    • 5.3.5 SWOT Analysis
  • 5.4 Bauder Ltd.
    • 5.4.1 Business Overview
    • 5.4.2 Products & Services
    • 5.4.3 Financials
    • 5.4.4 Recent Developments
    • 5.4.5 SWOT Analysis
  • 5.5 Mapei S.p.A.
    • 5.5.1 Business Overview
    • 5.5.2 Products & Services
    • 5.5.3 Financials
    • 5.5.4 Recent Developments
    • 5.5.5 SWOT Analysis
  • 5.6 Owens Corning
    • 5.6.1 Business Overview
    • 5.6.2 Products & Services
    • 5.6.3 Financials
    • 5.6.4 Recent Developments
    • 5.6.5 SWOT Analysis
  • 5.7 Johns Manville
    • 5.7.1 Business Overview
    • 5.7.2 Products & Services
    • 5.7.3 Financials
    • 5.7.4 Recent Developments
    • 5.7.5 SWOT Analysis
  • 5.8 IKO Industries Ltd.
    • 5.8.1 Business Overview
    • 5.8.2 Products & Services
    • 5.8.3 Financials
    • 5.8.4 Recent Developments
    • 5.8.5 SWOT Analysis
  • 5.9 CertainTeed Corporation
    • 5.9.1 Business Overview
    • 5.9.2 Products & Services
    • 5.9.3 Financials
    • 5.9.4 Recent Developments
    • 5.9.5 SWOT Analysis
  • 5.10 DuPont de Nemours, Inc.
    • 5.10.1 Business Overview
    • 5.10.2 Products & Services
    • 5.10.3 Financials
    • 5.10.4 Recent Developments
    • 5.10.5 SWOT Analysis
  • 5.11 Westile Roofing Systems
    • 5.11.1 Business Overview
    • 5.11.2 Products & Services
    • 5.11.3 Financials
    • 5.11.4 Recent Developments
    • 5.11.5 SWOT Analysis
  • 5.12 GAF Materials Corporation
    • 5.12.1 Business Overview
    • 5.12.2 Products & Services
    • 5.12.3 Financials
    • 5.12.4 Recent Developments
    • 5.12.5 SWOT Analysis
  • 5.13 PVC Membrane Systems, Inc.
    • 5.13.1 Business Overview
    • 5.13.2 Products & Services
    • 5.13.3 Financials
    • 5.13.4 Recent Developments
    • 5.13.5 SWOT Analysis
  • 5.14 Firestone Building Products
    • 5.14.1 Business Overview
    • 5.14.2 Products & Services
    • 5.14.3 Financials
    • 5.14.4 Recent Developments
    • 5.14.5 SWOT Analysis
  • 5.15 Asphalt Roofing Manufacturers Association (ARMA)
    • 5.15.1 Business Overview
    • 5.15.2 Products & Services
    • 5.15.3 Financials
    • 5.15.4 Recent Developments
    • 5.15.5 SWOT Analysis

• 6 Market Segmentation

  • 6.1 Building Membranes Market, By Application
    • 6.1.1 Roofing
    • 6.1.2 Walls
    • 6.1.3 Flooring
    • 6.1.4 Bridges
    • 6.1.5 Tunnels
  • 6.2 Building Membranes Market, By Product Type
    • 6.2.1 Bituminous Membranes
    • 6.2.2 PVC Membranes
    • 6.2.3 EPDM Membranes
    • 6.2.4 TPO Membranes
    • 6.2.5 HDPE Membranes
  • 6.3 Building Membranes Market, By Material Type
    • 6.3.1 Polymer-based Membranes
    • 6.3.2 Metal-based Membranes
    • 6.3.3 Bitumen-based Membranes
    • 6.3.4 Composite Membranes
    • 6.3.5 Others
  • 6.4 Building Membranes Market, By Distribution Channel
    • 6.4.1 Direct Sales
    • 6.4.2 Distributors
    • 6.4.3 Retailers
    • 6.4.4 E-commerce

• 7 Competitive Analysis

  • 7.1 Key Player Comparison
  • 7.2 Market Share Analysis
  • 7.3 Investment Trends
  • 7.4 SWOT Analysis

• 8 Research Methodology

  • 8.1 Analysis Design
  • 8.2 Research Phases
  • 8.3 Study Timeline

• 9 Future Market Outlook

  • 9.1 Growth Forecast
  • 9.2 Market Evolution

• 10 Geographical Overview

  • 10.1 Europe - Market Analysis
    • 10.1.1 By Country
      • 10.1.1.1 UK
      • 10.1.1.2 France
      • 10.1.1.3 Germany
      • 10.1.1.4 Spain
      • 10.1.1.5 Italy
  • 10.2 Asia Pacific - Market Analysis
    • 10.2.1 By Country
      • 10.2.1.1 India
      • 10.2.1.2 China
      • 10.2.1.3 Japan
      • 10.2.1.4 South Korea
  • 10.3 Latin America - Market Analysis
    • 10.3.1 By Country
      • 10.3.1.1 Brazil
      • 10.3.1.2 Argentina
      • 10.3.1.3 Mexico
  • 10.4 North America - Market Analysis
    • 10.4.1 By Country
      • 10.4.1.1 USA
      • 10.4.1.2 Canada
  • 10.5 Building Membranes Market by Region
  • 10.6 Middle East & Africa - Market Analysis
    • 10.6.1 By Country
      • 10.6.1.1 Middle East
      • 10.6.1.2 Africa

• 11 Global Economic Factors

  • 11.1 Inflation Impact
  • 11.2 Trade Policies

• 12 Technology & Innovation

  • 12.1 Emerging Technologies
  • 12.2 AI & Digital Trends
  • 12.3 Patent Research

• 13 Investment & Market Growth

  • 13.1 Funding Trends
  • 13.2 Future Market Projections

• 14 Market Overview & Key Insights

  • 14.1 Executive Summary
  • 14.2 Key Trends
  • 14.3 Market Challenges
  • 14.4 Regulatory Landscape

Segments Analyzed in the Report

The global Building Membranes market is categorized based on

By Product Type

• Bituminous Membranes
• PVC Membranes
• EPDM Membranes
• TPO Membranes
• HDPE Membranes

By Application

• Roofing
• Walls
• Flooring
• Bridges
• Tunnels

By Distribution Channel

• Direct Sales
• Distributors
• Retailers
• E-commerce

By Material Type

• Polymer-based Membranes
• Metal-based Membranes
• Bitumen-based Membranes
• Composite Membranes
• Others

By Region

• North America
• Europe
• Asia Pacific
• Latin America
• Middle East & Africa

Key Players

• GAF Materials Corporation
• Johns Manville
• Sika AG
• Owens Corning
• Firestone Building Products
• TRAFIRES
• CertainTeed Corporation
• DuPont de Nemours, Inc.
• Solmax
• Bauder Ltd.
• IKO Industries Ltd.
• Mapei S.p.A.
• PVC Membrane Systems, Inc.
• Asphalt Roofing Manufacturers Association (ARMA)
• Westile Roofing Systems