The core activity of Roy Frères is to provide services in the field of construction and renovation work, particularly in the areas of: Plâtrerie (plastering): manufacturing walls, ceilings and other building components from gypsum or other materials; Peinture (painting): coating and painting surfaces; Isolation (insulation): thermal, cold and sound insulation of buildings; Enduit écologique (ecological plaster): application of environmentally friendly plasters and coatings. The company offers these services for various types of projects, including new constructions, renovations and conversions of residential and commercial buildings.