Rendered surfaces look sleek and modern but they can accumulate dirt, algae, moss, lichen and pollutants over time. Keeping render clean not only enhances curb appeal but also extends the life of the surface. With so many render cleaning products on the market it can be overwhelming. In this article we’ll look at the most effective render cleaners, what to consider when choosing one and professional cleaning methods to keep render pristine.
What is Render Cleaning
Render is a protective and decorative coating applied to the exterior of buildings, made of materials like cement, lime or silicone based compounds. Over time external factors like weather conditions, pollution and biological growth cause discoloration and staining. Regular cleaning is essential to preserve the appearance and structure of the render. For those who want expert services render cleaning Melbourne professionals offer specialized solutions to get the exterior surfaces looking like new again.
What to Consider When Choosing a Render Cleaner
When choosing the best render cleaner consider the following:
- Type of Render: Different cleaners work best for different types of render, silicone, monocouche or cement based renders.
- Nature of Stains: Algae, moss, black streaks and pollution stains require different treatments.
- Eco-Friendliness: Biodegradable and non-toxic cleaners are safer for the environment and residents.
- Ease of Use: Some cleaners require pressure washing while others are spray and leave solutions.
- Effectiveness and Longevity: The best cleaners not only remove stains but also provide long term protection against regrowth.
- Surface Sensitivity: Porous surfaces, textured surfaces and delicate surfaces require extra care to prevent damage.
- Environmental Factors: Nearby plants and external surfaces must be protected from harsh chemicals and residue over time.
Top Render Cleaners on the Market
Softwash Solutions (Biocide-Based Cleaners)
Best for: Algae, moss, organic stains
Features: Long lasting, eco-friendly options available
Application: Spray and leave, minimal scrubbing required
Algon Organic Path & Patio Cleaner
Best for: General grime, algae, lichen
Features: Non-toxic, biodegradable, safe for pets and plants
Application: Spray on and wait for natural rain to clean
Pro-Kleen Render Cleaner
Best for: Black and green algae stains
Features: High strength formula, suitable for all render types
Application: Dilute and apply with a sprayer or brush
Karcher Pressure Washer Detergents
Best for: Deep cleaning of tough dirt and grime
Features: For use with pressure washers
Application: Best used with a pressure washer for maximum effect
Doff Steam Cleaning System
Best for: Delicate render surfaces and heritage buildings
Features: Low pressure superheated steam instead of chemicals
Application: Professional equipment and expertise required
Render Cleaner Gel X Pro
Best for: Cement render, silicone render, acrylic render
Features: Acts fast on tough stains, safe for all render types
Application: Soft brush, rinse with low pressure water
Benz Bio Cleanze & Lightning Cleanze
Best for: Deep cleaning and treatment of mould, algae growth, black moulds
Features: Residual biocide protection, eco-friendly options available
Application: Soft brush or sprayer, dwell time before rinsing
How to Clean Render
To get the best results try:
- Low Pressure Washing: No damage, just dirt removal.
- Softwashing: Biocide-based cleaners to kill and prevent organic growth.
- Manual Scrubbing: Small areas of staining, soft brush or stiff brush.
- Steam Cleaning: Delicate or heritage buildings.
- Preventative Treatments: Apply protective coatings or biocidal washes to prevent algae and moss regrowth.* Mild Soaps: For delicate surfaces use soft wash and soap.
- High Pressure: For tough stains but use with care to avoid damage.
- Call a Pro: Let a pressure washing service do it for you and protect the render.
Professional vs DIY Render Cleaning
While DIY cleaning can work for minor maintenance, hiring pros is recommended for tough stains or large scale cleaning. Pros have access to high grade cleaning solutions, specialized equipment and expertise in handling different render types safely. If unsure about doing it yourself, a reputable pressure cleaning company can provide expert help and a safe and efficient process.
Conclusion
The best render cleaner depends on the stain type, environmental impact and ease of application. Products like Softwash Solutions, Pro-Kleen, Benz Bio Cleanze, Render Cleaner Gel X Pro are good for different types of dirt and organic growth. For deep and long lasting results a combination of softwashing and preventative treatments is best. Whether you DIY or get a professional service, cleaning your render surfaces will extend the life and appearance of your building. Regular maintenance and proper technique will prevent costly repairs and premature drying of rendered walls.
FAQ
How often should I clean my render?
Depends on how much dirt and organic growth it’s exposed to, but annual or bi-annual is recommended.
Can I use bleach to clean my render?
Bleach can remove algae and stains but can also damage render and surrounding vegetation. Biodegradable alternatives are best.
Is pressure washing safe for render?
High pressure washing can damage render. Low pressure or softwashing is safer and more effective.
How do I prevent algae from growing on render?
Biocidal treatments and good air circulation around the walls will help prevent algae regrowth.
Do I need a professional to clean my render?
If your render has light staining you can clean it yourself. But if it’s heavily stained or delicate surfaces, hiring a professional is the way to go.