Woodstock: 815-338-8900 | Algonquin: 847-658-9998

Round Tops & Custom Shapes

All Ultrex Series Round Tops are constructed of a glass reinforced composite thats performance complements the characteristics of Ultrex in a radius profile. The stunning radius windows offer a dynamic appearance and can be paired with other All Ultrex Series products to create unique assemblies.


  • Made of glass reinforced composite finished with Integritys acrylic capping technology
  • Durable material is 40% stronger and more rigid than vinyl, and contracts and expands 60% less than vinyl
  • Available as standard sized True Half Rounds
  • WDMA Hallmark Certified DP50 performance
  • A choice of exterior colors, hardware finishes, divided lites and standard sizes