Uncompromising lightness

High performance lightweight roof element

A system designed to lighten the roof structure without any aesthetic compromise. Ondal steel allows a greater spacing between roof elements with metal or polycarbonate complementary sheets.

Distinguishing features:
  • Certified and automatized production
  • Entirely cast in reinforced concrete and completed with metal or polycarbonate sheets.
  • The channel-shaped extrados is designed to collect and drain rainwater. Equipped with waterproof protective sheath, it is tested to offer guaranteed durability and waterproofing in all weather conditions
  • All season thermal performance according to mandatory standards
  • Superior static performance, tested by specialized technicians
  • Lighting and harmony for a wide range application
  • High integrative potential and versatility

Ondal Steel Ondal Steel