Professional façade cleaning in Dortmund & Ruhrgebiet — a clean, well-kept appearance for your property
A façade is a building's calling card. Over time algae, moss, green growth and grime build up, dulling the appearance and stressing the masonry. We clean façades gently, to preserve the value and looks of your property for the long term.
- Free on-site inspection
- Cleaning of render, brick, EIFS, natural stone & timber
- Softwashing instead of aggressive high pressure
- Transparent guide prices with no hidden costs
- Service in Dortmund and the Ruhr area
Why façade cleaning matters
A façade is exposed daily to weather, moisture, UV radiation and environmental strain. Biological growth such as algae and moss retains moisture and can damage masonry over time. Regular, professional cleaning is therefore more than a cosmetic measure.
- Preserves the façade colour and surface texture
- Protects against moisture ingress and frost damage
- Prevents lasting discolouration
- Improves building appearance and value stability
- Early detection of cracks and damage
Important: Façade cleaning is an important maintenance measure. It can delay costly renovations and secure the long-term value of your property.
When does façade cleaning make sense?
- Green or black discolouration
Algae, moss and fungi have become visible.
- Dust and soot deposits
Grime settles especially in urban areas.
- Before selling or letting
A clean façade boosts the first impression.
- Regular value preservation
Preventive cleaning every 3–7 years.
- After winter
Moisture and organic matter build up during autumn and winter.
Get your façade assessed for free
We assess the condition of your façade on site and advise which cleaning method makes sense. Free, no obligation, with a transparent assessment.
Which façades can we clean?
Every façade is different. Different materials require different cleaning methods. Professional façade cleaning always starts with a material analysis.
Rendered façades
The most common façade type in Germany
Characteristics
A relatively smooth, absorbent surface. Algae and moss can take hold quickly, especially on shaded north- and west-facing sides.
Typical contamination
- •Algae and green growth
- •Moss and fungi
- •Soot and fine dust
- •Water stains and limescale residue
Recommended method
- Softwashing
- Low-pressure cleaning
- Mechanical pre-treatment
- Optional protective treatment
Brick façades
Robust and long-lasting
Characteristics
Very robust, but joints can be damaged by incorrect cleaning. Brick is less absorbent than render, but the texture and joints must be treated gently.
Typical problems
- •Moss in joints
- •Algae on the surface
- •Soot deposits
- •Leaching caused by moisture
Cleaning recommendation
- Softwashing preferred
- Low pressure
- Joint-friendly methods
EIFS façades
External thermal insulation composite systems
Characteristics
Consist of insulation boards and a thin render or coating system. Particularly sensitive to mechanical damage and water ingress.
Typical contamination
- •Algae growth
- •Moss
- •Grime film
- •Dew-point related staining
Cleaning
- Very gentle methods
- No high pressure
- Softwashing
- Protects the insulation layer
Timber façades
Requires especially gentle handling
Wood is a natural product that reacts sensitively to excess moisture and pressure. Incorrect cleaning can roughen the surface.
- Soft brushes
- Low pressure
- Specialised wood cleaners
- Protective treatment after cleaning
Natural stone façades
Sandstone, granite, limestone
Natural stone is durable, but porous stones can absorb water. Material-appropriate cleaning prevents water stains and damage.
- Material analysis
- Gentle brushes
- No acid without testing
- Impregnation available
Expert tip: every material needs the right method
A common mistake is applying a single cleaning method to all façade types. Proper cleaning is based on material analysis, soiling level, building height and accessibility.
Not every façade should be treated the same way
Incorrect cleaning can cause more damage than the soiling itself. Free inspection, individual material assessment, gentle methods.
Request a free inspection nowWhat façade cleaning methods are there?
Choosing the right cleaning method is crucial for preserving the façade. The wrong method can damage render, joints, EIFS or natural stone.
Softwashing
A gentle cleaning method using low water pressure and biodegradable agents. Algae, moss and fungi are dissolved and killed within the pores. The effect lasts several years.
- Ideal for sensitive façades
- Deep-acting cleaning
- Removes spores
- Optional protective treatment
High-pressure cleaning
Water at high pressure used to mechanically remove dirt. For façades, high pressure is problematic in most cases and can cause serious damage.
- Can damage render
- Joint damage on brick
- Water ingress into EIFS
- Roughens surfaces
- Short-lived cleanliness
Mechanical cleaning
Manual removal of coarse moss and growth using soft brushes. Often used to prepare for softwashing, especially with heavy infestation.
- Controlled removal
- No chemicals required
- Targeted treatment
Method comparison at a glance
| Method | Effect | Risk | Recommendation |
|---|---|---|---|
| Softwashing | Very deep-acting | Very low | |
| High-pressure cleaning | Strong on the surface | High | |
| Mechanical | Effective in spots | Low |
How does professional façade cleaning work?
Proper façade cleaning follows a clear process. Every step is crucial for a lasting and gentle result.
Façade inspection & analysis
Detailed on-site inspection: façade material, soiling level, damage, accessibility, building height and surroundings are analysed.
Safety setup
Securing the site: scaffolding, aerial platform or telescopic poles, fall protection, barriers and protection of the surroundings.
Mechanical pre-cleaning
For heavy infestation: coarse growth is manually removed with soft brushes so the main cleaning can work more effectively.
Main cleaning (softwashing)
Application of the cleaning solution, dwell time, gentle rinsing at low pressure. The biological effect continues over several days.
Protective treatment (optional)
A water-repellent or anti-biological protective treatment delays regrowth and extends the cleaning effect.
Final inspection & documentation
Visual inspection of the whole façade, documentation of the result and handover to the client.
Results that speak for themselves
See for yourself what professional façade cleaning can achieve. The difference is immediately visible — and lasting.
Illustrative example
Illustrative example
Illustrative example
Illustrative example
Environmental regulations & legal standards
Façade cleaning is regulated by environmental law in Germany. We comply with all relevant regulations.
Wastewater and cleaning agents must not enter watercourses or sewers uncontrolled. We use collection and filter systems.
We prefer eco-friendly, biodegradable cleaning agents without aggressive industrial chemicals.
Where required, wastewater is collected, filtered and disposed of properly to protect soil and watercourses.
BG BAU safety standards
Façade cleaning often takes place at height — this requires professional equipment and trained staff.
- • Fall risk without protection
- • Wrong technique → material damage
- • Use of unsuitable products
- • Liability issues in case of damage
Safety, expertise and the right technique are what matter
Our façade cleaning doesn't just protect your façade — it also protects you from the risks of incorrect methods.
Request a free quote nowWhat does façade cleaning cost?
Costs depend on façade material, size, soiling level, accessibility and building height. A serious price indication is always only a guide — every façade must be assessed individually.
Guide price from 490 €
All prices include 19% VAT and travel within 25 km of Dortmund. Beyond that: €0.95 per one-way km beyond 25 km.
Private customers: approximately 20% of labour costs are tax-deductible (§35a EStG).
Non-binding guide price. Binding fixed price after inspection or photo check.
* Guide prices. Exact prices after a free inspection.
What determines the cost?
The larger the area, the lower the price per square metre.
Light dirt means less effort. Heavy algae growth requires more treatment.
Sensitive materials like EIFS or timber require more care.
Taller buildings need scaffolding or aerial platforms.
Easy access reduces effort. Obstacles or tight areas increase it.
Protective treatment, impregnation or combination with other services.
Very cheap offers are often based on uncontrolled high pressure, no analysis and untrained staff. Possible consequences: damaged render, roughened surfaces, water ingress into EIFS and long-term renovation costs. A cheap cleaning job can end up costing more than not cleaning at all.
How often should a façade be cleaned?
Frequency depends heavily on the surroundings and location.
Early warning signs
- Green or black discolouration
- Moss growth, especially in joints
- Water stains or haze
- Dark deposits from road traffic
- Discoloured window sills
Common mistakes in façade maintenance
Can damage render, joints and EIFS, cause water ingress and roughen surfaces.
Algae and moss penetrate deeper, making cleaning more involved and expensive.
Aggressive chemicals can attack the façade paint and material.
Without impregnation or a protective coating, growth returns faster.
Protective measures after cleaning
- Water-repellent impregnation
- Anti-algae protection
- Regular visual inspection
- Combined with gutter cleaning
Façade cleaning in Dortmund & the Ruhr area
As a local specialist company we operate directly in Dortmund and the Ruhr area. Short travel distances, fast appointment scheduling and regional experience with typical Ruhr area façades.
Façade cleaning Dortmund: As a Dortmund-based specialist we offer free on-site inspections in Dortmund and the surrounding towns.
Why customers choose DaviDO
- Free on-site inspection
- Material-appropriate cleaning — no one-size-fits-all methods
- Softwashing instead of high pressure — gentle and sustainable
- Transparent guide prices with no hidden costs
- Work to German standards and WHG
- Fully insured — public liability
- Service in Dortmund & the Ruhr area
- Documented completion report
What we promise you
Professional cleaning protects the building material and preserves your property's value.
Algae, moss and discolouration are removed — the façade looks well-kept again.
Removing moisture-retaining growth reduces long-term strain on the façade.
Cleaning is far cheaper than later renovation. Early maintenance pays off.
Frequently asked questions about façade cleaning
Answers to the most important questions — from cost to methods to legal regulations.
Everything from a single source
In addition to façade cleaning, we offer all the important exterior cleaning services for your property.
Your façade deserves professional care — we make sure it gets it.
A soiled façade isn't just a cosmetic problem — it's a sign of long-term material stress. Professional façade cleaning protects your investment, preserves value and gives your property a well-kept appearance.
- Free on-site inspection
- Guide-price quote with no surprises
- Softwashing — gentle & sustainable
- Service in Dortmund & the Ruhr area
Which cleaning method suits your facade?
Have the condition checked beforehand — by photo or with a free on-site test service.