The roofing celebration of the new Proventia House in Oulunsalo is taking place at 1 Tietotie on Tuesday 29 May from 2pm onwards. The new premises of Proventia Group Oy, a developer of clean technologies, will be ready to move in to by the end of July. Among other facilities, Proventia's new technology center will house a state-of-the-art engine and emission laboratory.

The property developer in charge of the project is Proventia Group's main shareholder, Head Invest Oy. The overall surface area of the building will be around 3,000 square meters, and the main building contractor is NCC Rakennus Oy. Proventia House was designed by the architects at Arkkitehtuuritoimisto Juha Paldanius Ky.