Innovation. Service. Integrity.

As leaders in building materials innovation, ISI Building Products manufactures cutting-edge vapor barrier, insulation and building wrap brands. The design and ingenuity of these products reflects our mission: to create impactful solutions for building and construction challenges.

  • Vapor Barrier

  • Insulation

  • Building Wrap

  • Private Label

Building Envelope Solutions

With corporate headquarters in East Peoria, IL and manufacturing facilities throughout the Midwest, ISI is a building products manufacturer catering to construction customers throughout North America. Our centralized operations and strategically placed warehousing allow for efficient distribution to locations in the US, Canada and Mexico.

Operating since 1997, ISI is proud of the loyalty and level of trust we have earned from respected vendors, distributors, contractors and clients. As leading building material manufacturers in the USA, we are committed to providing high-performance products for the construction industry and custom, quality solutions for our customers — with the service to back it up.

Innovative Materials Engineering

As a top building material supplier, ISI helps create energy efficient, weather-protected homes and buildings. We believe our products are only as good as what goes into them.

 Our research and development process starts with customer feedback. Using our industry expertise, we find ways to utilize the finest materials and manufacturing technologies to provide high caliber, market-leading products. Attention to detail and technical expertise helps us stand out among construction material suppliers.

Custom & Private Label Manufacturing

In addition to a wide-ranging product line, our extensive manufacturing capabilities allow us to provide custom designs for unique applications as well as customer-specific labeling, color, styles, sizes and configurations. As your custom building products partner, we take pride in manufacturing construction and building materials that meet and exceed the changing needs of the construction industry. Browse and discover the wide variety of high quality products ISI currently offers. Contact us for any ideas, applications or products not listed. Always looking for opportunities to expand our core capabilities, we will work to find you the solution.