Coated floors are a popular choice in commercial environments due to their durability and aesthetic appearance. This protective layer provides a smooth, professional finish, but requires specific care during the cleaning process. A wrong approach with one scrubber can cause costly damage to the coating.
Protecting coated floors during machine scrubbing requires knowledge of the correct equipment, settings and techniques. By taking the right precautions, you will not only preserve the coating, but you will also significantly extend the life of your floor.
What is a coated floor and why does it require special care?
A coated floor is a floor to which a protective layer has been applied, such as polyurethane, epoxy or acrylic. This coating forms a thin film that protects the underlying floor against wear, stains and chemical attack.
Coated floors require special care because the coating is relatively thin and sensitive to mechanical damage. Aggressive scrubbing can damage the coating, causing it to lose its protective effect. In addition, the wrong cleaning agents can damage or dull the coating.
The coating usually has a thickness of only a few micrometers to a few millimeters. This means that even minor overload can cause permanent damage. A damaged coating not only loses its protective function, but can also pose a safety risk due to uneven surfaces.
What damage can occur from incorrect scrubbing of coated floors?
Improper scrubbing of coated floors can lead to scratches, dull spots, peeling coating and permanent damage to the protective layer. This damage is usually irreversible and requires costly recoating of the entire floor.
The most common forms of damage are superficial scratches caused by brushes or pads that are too hard. These scratches disrupt the smooth finish and make the floor more difficult to keep clean. In case of more serious damage, the coating can be completely sanded away, exposing the underlying floor.
Chemical damage is caused by the use of incorrect cleaning agents that damage the coating. This results in discoloration, dull spots or even dissolution of the coating. Too high pressure during scrubbing can also damage the coating, especially thin coatings or coatings that have not yet fully cured.
How do you choose the right scrubber for a coated floor?
For coated floors, choose a scrubber with adjustable pressure, soft brushes or pads and preferably a machine with a low speed. Single-disc machines or scrubbers with a pressure regulator offer the best control over the scrubbing process.
The ideal scrubber for coated floors has some important features. Firstly, the machine must have an adjustable working pressure, so that you can adjust the pressure to the sensitivity of the coating. Machines with too high a fixed pressure are unsuitable for delicate coatings.
Bee Metech we have experience with various types of scrubbers that are suitable for coated floors. Our specialists can advise you on the best machine for your specific coating and surface. We offer both new and refurbished machines from top brands such as Tennant and Nilfisk that are especially suitable for sensitive floors.
Which brushes and pads are safe for coated floors?
For coated floors, use soft nylon brushes, microfiber pads or special coating-friendly pads in white or beige. Avoid hard brushes, abrasive pads and any pads in black or green, as they are too abrasive.
The color coding of pads gives a clear indication of their hardness and suitability:
- White pads: very soft, ideal for daily maintenance of coated floors
- Beige/tan pads: slightly abrasive, suitable for light contamination on coatings
- Red pads: moderately abrasive, only for harder coatings
- Blue, green and black pads: too aggressive for coated floors
Nylon brushes are often the best choice because they clean effectively without damaging the coating. They are flexible enough to loosen dirt, but sturdy enough to clean thoroughly. Microfibre pads are excellent for picking up fine dust and light pollution, without the risk of scratches.
How do you correctly set the scrubber to protect the coating?
Set the scrubber to low pressure (at least 30% lower than standard), use a low speed, provide sufficient water or cleaning solution and always test on an inconspicuous area first. Start with the gentlest setting and increase only if necessary.
The correct setting starts with reducing the operating pressure to approximately 70% of the normal value. Too much pressure presses the brushes or pads too hard against the coating, which can lead to damage. Modern scrubbers often have a pressure regulator that allows you to set this accurately.
The speed of the machine also needs to be adjusted. Lower speeds provide more control and reduce the risk of damage. In addition, provide sufficient water or cleaning solution to reduce friction and protect the coating from dry friction.
Always test a small, inconspicuous area first before treating the entire floor. This gives you the ability to adjust the settings without risking visible damage to the main surfaces.
Which cleaning products are suitable for coated floors?
Use pH-neutral cleaning agents (pH 6-8) that have been specially developed for coated floors. Avoid harsh chemicals, bleach, ammonia and acidic products that can attack or damage the coating.
Choosing the right cleaning agent is crucial for maintaining the coating. pH neutral agents are the safest because they do not disrupt the chemical structure of the coating. These agents clean effectively without affecting the protective layer.
Products to avoid include chlorine bleach, strong acids such as acetic acid or citric acid, and alkaline agents with a high pH. Solvent-containing products can also damage the coating by dissolving or weakening it.
Always read the coating's technical data sheet to check which chemicals are compatible. If in doubt, contact the coating supplier for specific advice on suitable cleaning agents.
How Metech helps with scrubbers for coated floors
At Metech we understand the challenges of cleaning coated floors. We offer specialist scrubbers with adjustable pressure and gentle cleaning options that are perfect for sensitive coatings. Our expertise helps you choose the right machine for your specific situation.
Our advantages for coated floors:
- Wide choice of more than 700 machines in stock
- On-site demonstrations to test suitability
- Advice from our 22 specialists on the best settings
- Maintenance contracts to keep your machine in top condition
Take contact Contact us for a no-obligation demonstration and discover how the right scrubber will keep your coated floors clean safely and effectively, without costly damage.
Frequently asked questions
How often can I safely scrub a coated floor without damaging the coating?
For most coated floors, daily scrubbing on gentle settings is safe as long as you use the proper equipment and techniques. With intensive use you can even scrub several times a day, but always ensure sufficient drying between sessions. Regularly monitor the condition of the coating and adjust the frequency based on wear.
What should I do if I accidentally scratched the coating while scrubbing?
Stop scrubbing immediately and assess the damage. Superficial scratches can sometimes be polished away with a very soft pad and special coating polish. Deeper scratches usually require local recoating by a professional. Document the damage and contact the coating supplier for advice on remedial measures.
Can I convert a regular scrubber to be suitable for coated floors?
Limited modifications are possible, such as installing soft brushes and reducing pressure, but not all machines are suitable for modification. Old machines without a pressure regulator can be difficult to use safely. It is often more cost effective to invest in a machine specifically designed for sensitive surfaces.
How can I tell if my coating is still in good condition and can be safely scrubbed?
Check regularly for signs of wear such as dull spots, minor scratches or areas where the coating appears thinner. A healthy coating has a uniform shine and feels smooth. If in doubt, perform a water test: drop some water on the floor - if it is quickly absorbed, the coating may be damaged and require extra care.
What precautions should I take when scrubbing a new coating?
Wait at least 48-72 hours after application before scrubbing, or follow the manufacturer's specific curing time. New coatings are extra sensitive, so only use white pads, minimal pressure and pH neutral agents. Always test in a corner first and gradually increase the intensity if the coating tolerates this well.
What is the cost of replacing a damaged coating versus preventive maintenance?
Completely recoating a floor often costs 10-20 times more than investing in the right scrubbing equipment and maintenance. A damaged coating usually requires complete removal and recoating, including downtime of the area. Preventive maintenance with the right equipment can double or even triple the lifespan of a coating.