The ultimate V-shaped roofing element

Brightness and harmony for span lengths up to 26 meters in a single monolithic block

The most important technology in the Italian precast market: an architectural roofing element of unmatched harmony and lightness.

Ondal allows an optimal use of natural light; it is the perfect synthesis of more than 40 years of experience and research. It provides a roof solution with low height, minimal encumbrance and the optimization of internal volumes.

In order to reach the best natural lighting in the working environment, Ondal can be completed with continuous skylight windows and an automatic opening system.

It can be integrated with the Ondal Steel system.

Distinguishing features:
  • Certified and automatized production
  • Entirely cast in reinforced concrete
  • 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
  • Certified with Broof (T2) classification of resistance to external roof fires
  • 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 Ondal
Biondal Biondal