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Building a Strong, Innovative Future for the Category

The Polymeric Exterior Products Association (PEPA) is the leading trade association dedicated to expanding market opportunities for vinyl siding, along with today’s growing range of sustainable and resilient polymeric exterior products.

If you’re in the polymeric exterior industry, learn how to become a member by clicking the button below.

What We are Accomplishing Together

In the face of changing perceptions and a higher demand for construction products and labor, we unite to drive a greater impact for our category than ever before. As a member, you help drive the future in three key areas:

Advocacy

Protect the right to choose polymeric products on the home exterior.

Workforce

Grow the pool of trained and certified installers in the workforce.

Sustainability

Elevate and promote sustainability facts to the industry and its consumers.

Make a Difference in Your Industry

Discover the advantages of becoming a member of PEPA. You'll join an organization dedicated to:

  • 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
  • Preparing a larger, more experienced workforce to meet growing demand, through expanded installation training and certification programs
  • 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
  • Elevating industry sustainability facts through life cycle inventory and environmental product declarations

Certified Products

Only those products that are independently verified to follow stringent quality control standards as well as meeting or exceeding ASTM standards can carry the Certified Vinyl Siding badge.

Today the VSI Certified Product program covers only vinyl siding, but we’re working hard to extend across all polymeric exterior categories. Get involved as a member today.

VSI-Certified products are verified to meet the following ASTM standards:

  • ASTM D3679 for Vinyl Siding
  • ASTM D7793 for Insulated Vinyl Siding
  • ASTM D7254 for Polypropylene Siding
  • ASTM D7445 for Backed Vinyl Siding

Build consumer trust that your products are designed to perform to the highest product standards in the industry with our product certification program.

PEPA Member Portal

Click the link below to access your PEPA member portal.

Take a Stand

Sharing our expertise about our industry helps public officials make better decisions about rules and regulations that directly impact the use of vinyl siding. Proactively reach out to and educate our audiences with the correct information. Get involved today.

Learn How

Focused Industry Wins

We don’t just talk about change—we make it. Check out the impact our members have made.

Keep Up With Industry News

Check out what’s new in the industry and get insights to share with your customers.

Help Us Reclaim Vinyl Scrap

Learn how make waste work harder for the planet and help spread the word about vinyl recycling.

Frequently Asked Questions

Find the information you need fast about the Polymeric Exterior Products Association's work—in advocacy, workforce training and certification, building code resources, sustainability and more—in our Frequently Asked Questions.