
Specialist company for building waterproofing, rising damp treatment and mould remediation in the Sindelfingen region
Abdichtungstechnik Mornhinweg GmbH
SindelfingenNew on Amplifa
About Abdichtungstechnik Mornhinweg GmbH
Abdichtungstechnik Mornhinweg GmbH is a regional ISOTEC specialist company based in Sindelfingen, specialising in the remediation of moisture and mould damage to buildings. Its range of services includes horizontal barriers by paraffin injection, exterior and interior waterproofing, crack injection with the Flexband system, renovating plaster, mould remediation, interior insulation, climate boards, building drying, and the renovation of cellar floors, balconies, garages and cellar ceilings. Every renovation is preceded by an on-site damage analysis by experts, on the basis of which an individual renovation concept is drawn up. The company employs around 18 staff and is TÜV Rheinland certified as a monitored company for building waterproofing. It works with system solutions from the ISOTEC Group, which comprises around 1,200 employees and approximately 150 locations. Areas of application include residential buildings, public buildings such as schools and kindergartens, and commercial construction in Sindelfingen and the surrounding area.
- Site
- Sindelfingen
- Processes
- Horizontal barrier (paraffin injection against rising damp), Exterior waterproofing (multi-layer waterproofing system in below-grade areas), Interior waterproofing of cellar rooms, Crack injection/Flexband (sealing of water-bearing cracks from crack width > 0.2 mm), Renovating plaster (salt-regulating plaster), Mould remediation according to applicable standards, Interior insulation, Climate board (regulating interior insulation system)
- Materials
- Special paraffin, Renovating plaster, Liquid plastic, Flexband (special band)
- Certificates
- TÜV Rheinland certified (monitored company for building waterproofing), Great Place to Work Certified (attractive employer), Customer satisfaction 2021–2025 (ISOTEC Group), TÜV Rheinland certified company (building waterproofing), Great Place to Work Certified, Customer satisfaction award ISOTEC Group
- Employees
- approx. 18 (team
- Industries
- Residential buildings (single-family house, multi-family house, terraced house), Schools/kindergartens, Public buildings, Commercial construction, Building waterproofing/renovation
- 01
On-site damage analysis (moisture analysis)
- 02
Root cause analysis and consultation
- 03
Preparation of an individual renovation concept
- 04
Renovation using ISOTEC system solutions
- 05
Quality control and warranty (10 years)
Materials and System Products
Special paraffin
Injected into dried masonry as part of the horizontal barrier, forming a barrier against capillary rising damp.
Renovating plaster
Salt-regulating plaster that absorbs building-damaging salts and allows moisture to diffuse out of the masonry.
Liquid plastic
Used for surface waterproofing in the renovation of balconies, terraces and garages.
Flexband (special band)
Bonded with adhesive over moving cracks and joints, combined with crack injection.
Location

Sindelfingen
DEISOTEC specialist company (headquarters)
- Materials
- Special paraffin, renovating plaster, liquid plastic, Flexband
Renovation Areas



Inside the production




Industries
Processes & technical limits
| Processes | Tolerance | Max. part | Weight | Lot size | Materials |
|---|---|---|---|---|---|
| Horizontal barrier (paraffin injection against rising damp)Surface | – | – | – | – | Special paraffin |
| Exterior waterproofing (multi-layer waterproofing system in below-grade areas)Surface | – | – | – | – | – |
| Interior waterproofing of cellar roomsSurface | – | – | – | – | – |
| Crack injection/Flexband (sealing of water-bearing cracks from crack width > 0.2 mm)Joining | – | – | – | – | Special band (Flexband), Adhesive |
| Renovating plaster (salt-regulating plaster)Surface | – | – | – | – | Renovating plaster |
| Mould remediation according to applicable standardsSurface | – | – | – | – | – |
| Interior insulationSurface | – | – | – | – | – |
| Climate board (regulating interior insulation system)Surface | – | – | – | – | – |
| Drying system (building/structural drying after water damage)Heat treatment | – | – | – | – | – |
| Cellar floor renovation (sealing of damp cellar floors)Surface | – | – | – | – | – |
| Balcony renovation (waterproofing of balcony and terrace surfaces)Surface | – | – | – | – | Liquid plastic |
| Garage renovation (coating/concrete repair in garages)Surface | – | – | – | – | Liquid plastic |
| Plinth waterproofingSurface | – | – | – | – | – |
| Wall/slab connectionSurface | – | – | – | – | – |
| Cellar ceiling insulationSurface | – | – | – | – | – |
| Damage analysis (on-site moisture analysis)Testing | – | – | – | – | – |
Additional services
Quality and Certification
The company is TÜV Rheinland certified as a monitored company for building waterproofing and offers a 10-year warranty on selected services. ISOTEC Group certifications for customer satisfaction (2021–2025) and the Great Place to Work certification complement the quality system.
| Evidence | Sindelfingen |
|---|---|
| TÜV Rheinland certified company (building waterproofing) | |
| Great Place to Work Certified | |
| Customer satisfaction award ISOTEC Group |
History
- 2017
Maximilian Mornhinweg joins the company; today managing director with qualification as a certified expert for building damage.