The core activity of Bauplus W. Sprenger KMG is the provision of sealing and coating services for the construction industry, particularly in the areas of basement and underground waterproofing, swimming pool waterproofing, wet room waterproofing, wellness and spa waterproofing, well waterproofing, detail waterproofing, balcony and terrace coating, flat roof waterproofing, parking deck coating, masonry and exposed concrete hydrophobization, as well as crack injection and joint sealing. Additionally, the company develops and manufactures its own products, such as the PENETRAT concentrate for capillary waterproofing.