JET is a premium provider of high quality rooflight, ventilation and fire safety solutions for commercial, residential and industrial end-markets. JET designs, installs and maintains modular solutions designed for flat roofs, providing natural light source, natural air ventilation, and smoke and heat exhaust ventilation. H2 carved-out JET from CRH. Under the ownership of H2, JET has created a strategically optimized operational platform, with manufacturing capabilities in Germany and the Netherlands, and a direct sales footprint spanning Denmark, Poland, Switzerland and the UK. JET was sold to Egeria.