Isolierfix GmbH is a building renovation and waterproofing specialist based in Monheim am Rhein, serving customers in locations including Düsseldorf, Bottrop and Cologne. The company helps protect homes and buildings from moisture, mould and related damage, offering assessment, repair and renovation services coordinated through a single point of contact. Its services include basement waterproofing from inside and outside, damp-proof courses, façade and plinth sealing, mould removal, building drying, concrete crack repairs, and basement floor, balcony and garage renovation. Isolierfix also provides climate boards and interior insulation to help manage moisture and improve wall insulation.

The company describes itself as a master craft and training business, with experienced staff and modern techniques. Customers can request a free damage analysis to assess moisture or mould problems and determine the scope of work. Isolierfix highlights complete project coordination, prompt service and a stated 10-year workmanship warranty. Its process covers an initial appointment and assessment, professional execution, and a durable repair solution. The company reports 15 years of renovation experience and 1,200 completed projects.