About ISI Building Products

As leaders in building materials innovation, ISI Building Products creates cutting-edge insulation, building products and accessories for a variety of industries. The design and ingenuity of these products reflects our mission: to create impactful solutions for building and construction challenges.

Superior Quality. Competitive Pricing. Service Excellence.

With corporate headquarters in East Peoria, IL and manufacturing facilities throughout the Midwest, we provide building materials throughout North America with distribution in the United States, Mexico and Canada.

Owned and operated since 1997, ISI is proud of the loyalty and level of trust we’ve earned from respected manufacturers, distributors, contractors and a list of clients including:

Colleges and Universities ▪ Civic Centers ▪ Airports ▪ Zoos ▪ Hospitals ▪ Commercial and Residential Builders ▪ And More

The Technology Behind Our Solutions

As a leader in sustainable building materials, ISI helps create energy-efficient, weather-protected homes and buildings across the country. We believe our products are only as good as what goes into them. We search for the finest materials to provide the highest caliber of products in the marketplace.

We Manufacture Ideas Into Solutions

Our research and development process starts with customer feedback. We use our industry expertise, we find ways to utilize the best materials and manufacturing technologies to improve existing methods and expand our product lines. All our products are tested in-house and sent to nationally recognized third-party independent testing agencies for further evaluation. This quality control ensures our products are manufactured to meet and exceed all industry standards and give our customers products they can trust.