repairs, stair barrier replacements, step finishing, and installation of mailboxes, often with staged payment options for apartment associations. 4Seina also performs facade insulation, facade plastering and painting, balcony roof renewal, and repair of exterior details such as sills and canopies. In addition, it offers general contracting and construction project management for finishing and renovation projects, coordinating related electrical and HVAC work through partners. Its services are used by apartment associations, commercial property owners, and private homeowners seeking building repair and finishing solutions.