Sustainability Inspires Polycarbonate Skylights for Purina Feed Plant


Eneref Report

Key Testimonials

“The building gained more lighting with smaller skylights in that space. Purina was thrilled.” —  Project Manager

“I’m comfortable saying polycarbonate has 10 times the toughness of impact-modified acrylic.” — Technical Director.

Key Interviews

  • Covestro
    • Ted Trautman, Ph.D., Technical Director
  • CentiMark Roofing
    • Nate Hinrichs, Project Manager
  • Logistics Lighting
    • Jenna S. Souza, Senior Business Development Manager


To take advantage of natural light and reduce their carbon footprint, the Purina Animal Nutrition company, a division of Land O’ Lakes, incorporated rooftop skylights in their Clarence, Iowa, facility.

CentiMark Corporation, the nation’s largest roofing contractor, brought natural interior daylighting into the facility by installing rooftop polycarbonate skylights.