Concrete floors are durable and easy to maintain but still need attention to stay looking their best. Dust, oil, and dirt build up over time, especially in garages, car ports, patios, and sheds. Cleaning them doesn’t have to be hard work though – with the right tools, you can make old concrete look new again and protect it from wear and stains.
Step-by-Step Concrete Floor Cleaning for DIY Projects
A clean floor looks good and lasts longer, and the process is simple. The steps below cover everything from basic sweeping to tackling tough stains, using simple tools that most DIY renovators already have or can hire for the weekend.
Step 1: Clear and sweep the area
Start by removing furniture, vehicles, and any items on the floor. Sweep or vacuum the surface to get rid of loose dust and debris. For larger spaces, a concrete floor sweeper or vacuum makes the job quicker and reduces airborne dust.
Step 2: Choose the right cleaning method
Check if your floor is sealed or unsealed.
- Sealed or polished concrete: Use a mild, pH-neutral cleaner mixed with warm water. Avoid harsh detergents or acids that can dull the finish.
- Unsealed concrete: A stronger mix of cleaner and warm water will help lift grime and dirt that sits in the surface pores.
Work in small sections and use a stiff broom or mop to scrub.
Step 3: Tackle stubborn stains
For oil or grease stains, sprinkle absorbent material like kitty litter or sawdust, leave it for a few hours, then sweep it away. For deeper stains, apply a concrete degreaser and scrub the spot before rinsing. Rust or tyre marks may need a second pass, but patience and the right cleaner will get results.
Step 4: Rinse and dry
Once you’ve scrubbed the entire floor, rinse with clean water. A wet vacuum or mop helps remove excess water faster. Let the floor dry completely before putting anything back, especially if you plan to reseal or polish the surface later.
Step 5: Keep it clean
Sweep regularly to stop dirt from grinding into the surface. Use floor mats near entrances to catch dust and debris. If your floor is sealed, reapply sealer every few years to protect against moisture and stains.
Cleaning your concrete floor is one of the simplest DIY jobs around, and it makes a big difference to the look and life of your space. For help finding the right cleaning gear for your project, check out our DIY Equipment Hire range or contact the Concrete Hire team for advice.
When you request a quote, include the size of your area so our team can match the best equipment to your space and surface. It saves time, prevents guesswork, and helps you get the right tools for the job.