The Polymeric Exterior Products Association (PEPA) is the trade association representing the breadth of polymeric exterior building and home improvement products used on and around homes across North America.
Formerly known as the Vinyl Siding Institute, we’ve long championed the benefits of resilient, beautiful siding. As our category has evolved, we’ve expanded our focus to represent the growing diversity of architectural products that share those same performance and aesthetic features.
PEPA represents a broad range of polymeric building materials, bringing together some of the most advanced exterior products on the market.
Defending and expanding markets for polymeric products by promoting their benefits to the industry and its consumers
Preparing a larger, more experienced workforce to meet growing demand, through expanded installation training and certification programs
Championing members' interests at every level of government and industry, including proposed changes to ASTM and other code body standards and legislation to protect the right to choose polymeric exteriors
Elevating industry sustainability facts through life cycle inventory and environmental product declarations
Building a thriving community where ideas are shared, partnerships are formed, and collective success is celebrated
Fostering and promoting new innovations that push the boundaries of what's possible in beautiful, high-performance and sustainable exterior design
We drive positive changes that enhance the entire polymeric products industry, from legislative victories to advances in professional training and standards.
Let’s unleash new possibilities that drive more value for all.
Gain a wealth of benefits and opportunities for professional growth, networking and advocacy.
Engaging public officials helps them make smarter policy decisions affecting polymeric products. Access free PEPA resources that help you advocate effectively in your community.
PEPA builds on VSI’s more than four-decade legacy of supporting the industry’s growth and innovation.
Vinyl Siding Institute is now the Polymeric Exterior Products Association (PEPA)We’ve expanded our focus to represent the growing range of architectural products that share and complement vinyl siding’s performance and aesthetics. Learn More About PEPA |