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VSI requires an account for the Members Only and Certified Trainer sections. All VSI Members and Certified Trainers are eligible for accounts. If you do not currently have one, please request an account below.

Already a Certified Installer? Access VSI Nation here.


If you’re in the vinyl siding industry, take part in the benefits of VSI! To learn more and see if you qualify, review our membership application information sheet.

Membership in the Vinyl Siding Institute, Inc. (VSI) is limited to:

  • Individual firms, partnerships, or corporations engaged in the manufacturing and marketing of vinyl and/or polymeric siding.
  • Suppliers of raw materials, equipment and services related to vinyl and polymeric siding products.
  • Manufacturers of predominantly polymeric accessories used as part of the installation package for vinyl or other predominantly polymeric siding products.

Your membership application and letter will be reviewed by the VSI, Inc. Board of Directors. Upon membership approval by the VSI, Inc. Board of Directors, dues must be paid before membership is active.

VSI, Inc. dues are based on sales of vinyl and polymeric siding or products and services to the vinyl siding industry in the year previous to budget approval.

To obtain an account for the Member Portal,
please fill out the appropriate request form

Request a VSI Member Account – For VSI Members Only

Request a VSI Certified Trainer Account – For VSI Certified Trainers Only


If you're in the vinyl siding industry, take part in the benefits of VSI!

Membership Information