Editorial of DI Environnement

30 years of experience

The company Dauphine Isolation, from which DI Environnement originated, was founded in 1987 in Montélimar by Frédéric and Rodolphe Rosati.
Coming from a family of construction constractors, the two twins then innovated in the sector of isolation, proposing the first applications of screening.

During the folowing years, Dauphine Isolation became a benchmark for thermal insulation and projected fire protection, notably thanks to the innovation in the applied products and the used materials, which allowed to respond to the challenges brought forth by newly introduced regulations. Meanwhile, the company faced a new complication on renovation sites, asbestos.

With the will to control this risk and to be able to offer an allrounded service, Dauphine Isolation completed its first asbestos removal site in 1995, when such practices were still unknown in France. To do this, Dauphine Isolation created deciated equipment, first of their kind, and elaborated procedures together with health and prevention institutions.

The specificity of the two trades, asbestos removal and isolation, led Frédéric and Rodolphe Rosati to create two


independent structures, DI Environnement and DI Projection, both of which became leaders in their respective sectors.

Today, headed by Frédéric and Hugo Rosati, DI Environnement is a family business, recognized specialist in depollution, having at its disposal significant and atypical resorces in its sector

Indeed, our company keeps on innovating by designing and assembling its own equipment, generic or specific, in our workshop in Montélimar. Similarly, with more than 10 establishments, we are capable of bringing a local offer in France, intervening directly for our clients internationally as well as part of large scale projects. From precursors of asbestos removal we evolved in regard to depollution inside the whole sector and all its facets, and we continue to specialize in various sub-sectors to better master the whole of our sector of activity.

This specificity, and the projects we perform, are made possible by our employees who, driven by our values, carry them out while undertaking for the future.

Through this website, we care to share this vision which pervades the team of DI Environnement.

Frédéric ROSATI



General Manager

DI Environnement's numbers

years of experience
sites completed per year
milions of euros of Sales figures