What Are the 7 Stages of Cleaning?

Professional commercial cleaning isn’t just about spraying and wiping. It involves the strategic removal of pathogens to prevent cross-contamination and protect lives. In the commercial sector, failure to maintain a hygienic indoor environment can result in microbial growth and catastrophic health impact.

The 7 Stages of Cleaning, commonly called the Double Clean method, is the professional standard for cleaning and hygiene maintenance in commercial facilities, particularly high-risk environments such as healthcare and food preparation facilities. Here’s how professional commercial cleaners create a germ-free space in 7 steps:

1. Initial Preparation and Declutter

The first step is clearing the space by removing visible dirt and clutter. This is one of the most important stages in commercial cleaning, as it determines the success of every subsequent step. Removing physical debris ensures efficient cleaning and disinfection.

The process involves removing loose soil, dust, and visible waste items using a vacuum or broom, emptying bins, and clearing desks of clutter.

Why is it important?

Decluttering ensures better coverage and chemical efficacy. For instance, sanitizing a soiled surface is practically meaningless. A 2023 study noted that 60% of disinfection processes fail because the surface is not adequately cleaned before chemical application.

2. The Pre-Rinse

Before applying detergents, disinfectants or chemicals, the surface must be pre-rinsed. In a commercial kitchen or bathroom setting, warm water should be used to loosen stubborn fats and oils before chemical treatment.

Avoid using water that is too hot, as it can cook stains, making them more difficult to remove. At the same time, using water that is too cold fails to break down stains or grease.

Avoid high-pressure rinsing at this stage, as it can spread pathogens or bacteria into the air.

3. Cleaner Application and Mechanical Scrubbing

This is the core cleaning process. Detergents help break the bonds between dirt molecules, making it easier to lift grease. The choice of chemical depends on the type and amount of soil. While alkaline cleaners are perfect for organic fats and proteins, acidic cleaners are quite effective on mineral scales and hard water deposits.

Mechanical force is equally important at this stage. Manual scrubbing using a suitable tool or brush breaks down biofilms that bacteria need to survive. Without physical effort, the detergent can only wipe the surface and not reach the root.

Most chemicals need time to take effect (called dwell time). It may range from 3 to 5 minutes or more, depending on the detergent and dirt type.

4. Intermediate Rinse

Once the stain or grease is broken down and trapped in the detergent suds, it’s time to wash it away. If the detergent is allowed the time to dry on the surface, it will be harder to remove.

Wash the surface using a mild pressure washer or spray to remove all traces of soap solution and loosened dirt.

5. Disinfection

While cleaning lifts the dirt and washes it away, disinfection kills germs to truly restore a hygienic environment. In commercial facilities like offices and hospitals, this stage is the most crucial to minimize the risk of the spread of infections.

Professional, EPA-approved disinfectants are designed to kill 99.999% of targeted bacteria, viruses and pathogens on surfaces.

The correct application is crucial. Ensure the surface is spotless with no visible dirt. Follow the instructions mentioned on the disinfectant label, including the specific dwell time. If you wipe the chemical off too soon, it will most likely fail to kill all germs.

6. Final Rinse

While most surfaces do not require a rinse after disinfection, sensitive environments such as food preparation areas and surfaces in a medical facility need this to ensure compliance.

Specialized sanitizers used in the food-contact areas must be rinsed thoroughly with clean water to prevent contact with food. The same goes for medical environments.

Certain harsh disinfectants or chemicals can corrode stainless steel or stone when left for a considerable time. A final rinse ensures the chemical doesn’t harm the environment or the people around. However, the disinfectant should not be removed before its dwell time is over.

7. Drying and Audit

A wet surface attracts contaminants. Immediate drying after rinsing is a must to prevent re-contamination.

The two most common methods are air drying and wiping off. If you’re going with the second option, ensure using color-coded, microfibre cloths to trap all the moisture and prevent cross-contamination.

Then comes the final audit. At this stage, the supervisor or manager uses a proper testing mechanism, such as ATP (Adenosine Triphosphate), to check for biological residues. This is crucial to ensure high, commercial-grade efficiency.

Why 7 Stages?

To understand why all 7 steps are crucial in a professional cleaning process, let’s talk about the biology of a commercial surface. Bacteria don’t just sit on a surface; they build intricate structures called biofilms.

A simple wipe with a standard cleaner usually fails to break the biofilm. The 7-stage cleaning method treats the surface through temperature, chemical, mechanical force, and contact time to systematically break down the biofilm and kill all bacteria.

While the process may seem a bit longer, it ensures surfaces stay cleaner for longer periods, reducing the frequency of deep cleaning and saving time and money in the long term.

In a study, commercial buildings that used a structured 7-stage cleaning process saw a 22% reduction in absenteeism related to workplace illnesses compared to those using traditional cleaning methods.

The correct implementation of the 7-stage cleaning process requires specific equipment to ensure high efficiency and avoid cross-contamination. This includes color-coded microfibre cloths, PPE kits, industrial vacuums, approved detergents, and cleaning tools. When you hire professional commercial cleaners from Clean Group, we bring all these supplies with us, ensuring a hassle-free cleaning experience for you.

Conclusion

For Clean Group, cleaning is more than just about following a checklist; our goal is to minimize risks and create a truly safe environment for your staff and visitors. Whether it’s a medical clinic or a corporate office, this 7-stage deep cleaning process ensures that your place is not just spotless but inherently safe.

This data-backed professional cleaning and hygiene model ensures comprehensive protection both for your building’s occupants and its physical assets. The 7 stages are the difference between a surface that looks clean and one that is actually clean.