At NH Facility Services, we know that a building’s exterior is a signal. It tells tenants, customers, visitors, and the public what to expect inside. Dirty facades send the wrong message. More importantly, they allow mold, mildew, and corrosion to take hold, damaging materials that are far more expensive to replace than to clean.
Facade cleaning is about more than looks. It protects the structure of a building, improves energy performance, and plays a role in public health. It also reflects directly on your business or institution’s reputation.
This article breaks down why regular facade cleaning matters, what methods work best, and how this investment pays off over time.
What Is Facade Cleaning?
Facade cleaning refers to the professional removal of surface contaminants from the exterior walls of a building. This includes dirt, mold, mildew, algae, exhaust residue, mineral deposits, and more. The methods vary based on material, age, condition, and the type of buildup. We work on:
- Stone
- Brick
- Stucco
- Concrete
- Metal
- Glass
- Wood
- Composite materials
Each surface needs the right approach. Using too much pressure, the wrong chemical, or improper equipment can do more harm than good. That’s why property managers rely on trained crews like ours who understand what each surface requires.
Why Facade Cleaning Matters
Protecting Building Materials
Pollutants in the air settle into porous surfaces like stone and brick. Over time, they trap moisture, leading to cracking, staining, and structural wear. On metal and glass, buildup can weaken finishes or create corrosion. Regular facade cleaning interrupts this process, removing harmful materials before they cause expensive damage.
Organic growth like mold, mildew, and algae thrive in shaded and damp areas. Once they root into a facade, they begin to break down the surface. We use hot water systems, typically between 140°F and 180°F, to kill biological growth at the root.
Cracks, mortar failure, and early signs of decay often become visible after cleaning. Identifying these issues early means repairs can be handled quickly and cost-effectively.
Supporting Indoor Air and Environmental Health
What’s outside can move inside. Mold spores, allergens, and pollution cling to building exteriors and get pulled in through HVAC systems or openings. Facade cleaning reduces the load of airborne contaminants and supports healthier air inside.
We also help manage wastewater runoff. Our cleaning methods meet local and federal disposal guidelines to prevent contaminated water from reaching storm drains or the water supply.
Energy Performance and Operational Costs
Dirty facades absorb more heat. This raises indoor temperatures and increases demand on cooling systems, especially in glass-heavy or metal-clad buildings. A clean, reflective surface performs better thermally and reduces utility strain.
In colder months, buildup can also hold moisture, increasing ice formation around windows, ledges, and entrances. Facade cleaning helps prevent these seasonal maintenance issues.
Protecting Public Image
Clean facades communicate order, safety, and care. Whether it’s a hospital, school, office building, or residential complex, people take note of how buildings are maintained. A neglected facade suggests deeper problems.
We’ve worked with commercial owners, universities, and cultural institutions who understand that clean buildings reinforce trust and professionalism. Regular facade cleaning shows the community, clients, and stakeholders that the property is well managed and valued.
Facade Cleaning Techniques We Use
Not every building requires the same method. That’s why we assess the structure, materials, and type of contamination before starting.
Pressure Washing
Ideal for concrete, masonry, and stone surfaces, pressure washing uses high-pressure water to remove grime, paint, or organic material. We adjust the PSI based on surface sensitivity and use hot water to break down oils and kill biological growth.
For example, hardwoods can handle higher pressure levels around 1,400 PSI, while soft surfaces require lower settings. We also pre-soak surfaces and rinse from top to bottom to avoid streaking or water stains.
Soft Washing
Soft washing is used on delicate or painted facades. This technique combines low-pressure water with biodegradable detergents to safely remove mold, algae, or mildew without damaging the surface underneath.
We apply the cleaning solution, let it dwell, and rinse thoroughly. Soft washing is commonly used on residential properties, older buildings, and materials like wood, vinyl, or treated stone.
Steam and Hot Water Systems
For facades that require sanitation, especially those affected by mold or heavy pollution, we use hot water systems that heat water to 140°F or higher. These systems clean without the need for harsh chemicals and are ideal for sensitive environments.
Steam also works well for historic buildings where abrasive methods can’t be used.
Chemical Cleaning
Some stains and mineral deposits require specific chemical agents. We use acid-based cleaners for masonry and alkaline solutions for limestone or marble. Application is followed by neutralization and thorough rinsing.
Every chemical treatment begins with a test patch to make sure it won’t damage the surface or cause unwanted reactions.
How Often Should Facade Cleaning Be Scheduled?
- Commercial properties: Every 1 to 3 years depending on location, material, and exposure to pollution.
- Residential buildings: Every 3 to 5 years, or more frequently if near highways, construction zones, or coastal areas.
- Historic structures: On a case-by-case basis with preservation teams involved.
Buildings in urban areas or close to heavy traffic often need more frequent service. We also recommend seasonal inspections to look for buildup or signs of surface wear between cleanings.
ROI of Facade Cleaning
Cost Avoidance
The cost of cleaning a facade is far less than the cost of repairs or replacements. Keeping surfaces clear of damaging materials extends their usable life and reduces the frequency of major maintenance projects.
We’ve seen clients avoid full facade repointing or metal replacement by keeping a regular cleaning schedule.
Faster Leasing and Higher Property Value
A clean building stands out in competitive markets. Whether you’re listing commercial space or welcoming new tenants, first impressions matter. Facade cleaning supports quicker leasing and higher retention rates.
Risk Management
Clean surfaces mean fewer slip hazards, better visibility around entrances, and lower chances of accidents caused by falling debris or corrosion. Documented cleaning also supports liability protection and insurance compliance.
Why Property Managers Choose NH Facility Services
We’ve been trusted across New York, New Jersey, and Connecticut for more than 50 years. Our teams are trained in facade cleaning for both routine and high-risk structures, including:
- Office buildings
- Schools and universities
- Hospitals and clinics
- Museums and landmarks
- Mixed-use residential towers
We use OSHA-compliant safety procedures, lift equipment, scaffolding, and fall protection systems for hard-to-reach areas. Every job is staffed by trained professionals and supervised from start to finish.
When you work with us, you get more than a clean building. You get the support of a team that knows the stakes of doing it right.
Schedule Your Facade Cleaning Today
Facade cleaning is a direct investment in the health, safety, and public image of your property. It helps prevent structural damage, improves energy efficiency, and reflects your commitment to quality and care.
At NH Facility Services, we provide facade cleaning with the precision and professionalism our clients rely on. Whether it’s one building or an entire portfolio, we’re ready to help you keep your exteriors clean and protected. Contact us today!
FAQs
What is facade cleaning?
Facade cleaning is the professional cleaning of a building’s exterior to remove dirt, mold, stains, and pollutants. It helps protect materials, improve energy efficiency, and maintain the building’s appearance.
How often should a building be cleaned?
Commercial buildings should be cleaned every 1 to 3 years. Residential buildings usually need cleaning every 3 to 5 years, or more often in polluted or coastal areas.
What are the main benefits of regular facade cleaning?
Regular cleaning protects surfaces from damage, supports indoor air quality, helps avoid expensive repairs, and creates a better impression for tenants or visitors.
Does facade cleaning help energy efficiency?
Yes. Clean facades reflect sunlight better, reducing heat absorption and lowering cooling costs. This is especially important for buildings with glass, metal, or light-colored surfaces.
Is pressure washing safe for all facades?
Not always. Pressure washing is effective on durable materials like concrete and stone. Softer or older surfaces may need soft washing or steam cleaning to avoid damage.
Scott Kaplan, Executive Vice President at North Hills Facility Services (NHFS), and Brett Kaplan, Director of Business Development, bring a strategic blend of operational expertise and financial insight to their family business. With Scott’s leadership in driving growth and innovation, and Brett’s background in investment banking enhancing NHFS’s client-focused expansion, the Kaplan brothers work together to ensure high-quality, proactive solutions in facility services. Their combined vision keeps NHFS at the forefront of industry standards and client satisfaction.
