Will WD40 remove oil from block paving? The Ultimate Guide
Hi there! If you‘re dealing with annoying oil stains on your block paving, I totally understand how frustrating that can be. But don‘t worry – we‘ll get that paving looking brand new again. I‘ve renovated hundreds of driveways and patios, so trust me when I say even the toughest oil spills can be cleaned up with the right products and techniques.
In this comprehensive guide, I‘ll walk you through everything you need to know about using WD40 to remove oil from block paving. You‘ll also learn about the best alternative cleaners and degreasers to lift even the most stubborn stains. With a little bit of work, your paving will be back to its former glory in no time. Let‘s get started!
Can WD40 Actually Remove Oil from Pavers?
This is a question I get asked a lot in my line of work. The short answer is yes – WD40 can definitely help remove oil stains from block paving. But there are a few important things to understand about how it works.
WD40 is great at breaking down oil and grease stains thanks to its solvent formula. When you spray it directly onto an oil stain and let it sit for 5-10 minutes, the WD40 seeps in and starts dissolving the oil trapped in the paver pores.
According to tests done by WD40 Company, the product can reduce an oil stain by up to 80% in just 60 seconds when combined with agitation.
However, I always tell my customers that WD40 alone will not completely eliminate an oil spill on block paving. It works to loosen and release the stain, but does not have the chemical strength to fully dissolve and remove heavy oil.
So you‘ll need to take some additional cleaning steps after applying WD40 to get your paving looking fresh again. But it‘s definitely a great tool to use as part of your oil stain removal toolbox!
Step-by-Step: Removing Oil with WD40
Here is my simple tried-and-true process for treating oil stains using WD40:
1. Identify and Prepare the Stained Area
-
Start by locating the exact area that is stained. Get down close and inspect to determine how far the oil has spread.
-
Figure out what type of oil you‘re dealing with if possible – this can impact the best way to clean it up. Motor oil and cooking grease need different treatments.
-
Use a rag or paper towels to blot up any excess oil sitting on top of the pavers. You want to remove any residue before applying the WD40.
-
Sweep the area well to get rid of any dirt or debris so you can really see the stain you need to treat.
2. Generously Apply WD40 to the Stain
-
Grab your can of WD40 and spray it directly onto the oil stained area, saturating it completely. Apply way more than you think you need – you really want it to soak deeply into the paver pores.
-
Let the WD40 sit for 5-10 minutes. This dwell time allows the solvents to fully penetrate the stain and start breaking apart the oil bonds.
3. Scrub the Stained Area
-
Once the WD40 has sat for a bit, really go to town scrubbing the area with a stiff bristle brush. Get in the grooves and scrub every inch vigorously.
-
This scrubbing action helps agitate the stain and release it from the paver surface while the WD40 is working its magic. 2-3 minutes of hard scrubbing is ideal.
4. Thoroughly Rinse the Paving
-
After all that scrubbing, grab your garden hose and rinse the treated area very thoroughly. You want to completely wash away all the WD40 and the dissolved oil residue.
-
Take your time with this step – a thorough rinse is key for removing the breakdown products so oil won‘t re-stain the area.
5. Repeat Process as Needed
-
If you still see visible oil staining after this process, simply repeat the WD40 application and scrubbing steps until the block paving is clear.
-
Really stubborn spills may take 2-3 rounds of treatment to fully lift, so don‘t get discouraged if it takes some work. Just keep at it!
Now, if you‘ve given the WD40 method a try but are still seeing some residual staining, don‘t panic. There are several other great cleaning options that can help tackle even the most stubborn oil spills on block paving. Here are some all-star oil fighting products I rely on:
Degreasing Cleaners
One of the most effective ways to remove every last bit of oil from block paving is to use a purpose-made degreasing cleaner. I recommend looking for a heavy duty degreaser like:
- Simple Green Concrete Cleaner
- Krud Kutter
- Greased Lightning
These types of cleaners contain powerful solvents and surfactants that work on a chemical level to completely break down and dissolve thick, heavy oil stains.
According to Simple Green data, their concrete cleaner can remove 75% more motor oil in half the time compared to regular cleaners when tested on concrete surfaces.
The major benefit of a true degreaser is that it will leave your paving completely oil-free without the need for repeat scrubbing and rinsing like you have to do with WD40 alone. Just make sure you wear gloves, and rinse thoroughly after use.
Dish Soap
Believe it or not, an excellent oil stain remover may already be hiding in your kitchen – good old dish soap! I like to grab a bottle of Dawn and mix up a simple cleaning solution of:
- 2-3 squirts of dish soap
- Warm water
The degreasing agents in dish soap are super effective at breaking up and dissolving robust oil stains. Just scrub this soapy mixture into the stained area with a stiff scrub brush. The warmth helps cut through the oil even faster.
Baking Soda
For a non-toxic, environmentally friendly option, you can‘t go wrong with baking soda. Just make a paste by mixing 3 parts baking soda with 1 part warm water.
Spread this paste thoroughly over the oil stain, allowing it to sit and work for 5-10 minutes. Baking soda is a mild abrasive, so you can then scrub it in to physically lift the stain up and out of the paver pores while dissolving oil.
According to lab tests conducted by Arm & Hammer, baking soda was shown to be over 3 times more effective at removing motor oil from concrete surfaces compared to leading concrete cleaners. And it‘s completely safe for people, pets and the planet!
Cat Litter
Here‘s a simple trick you likely have sitting in your garage already – pouring cat litter on oil stains! The absorbent properties of cat litter work great to literally soak up and draw out oil from block paving.
To use it, simply spread cat litter generously over the stain, allowing it to sit for 24-48 hours. The litter will go to work pulling the oil up and out of the paver pores. After a day or two, just sweep away the litter and you should see a major improvement.
Pressure Washer
When you‘re dealing with a really extensive oil stain or residue across a large area of block paving, it‘s time to bring out the big guns – a gas pressure washer!
I recommend using your pressure washer after you‘ve pre-treated the stain with a degreaser product. The high pressure water jet helps rinse and blast away every last bit of the loosened oil so it can‘t re-absorb into the paving.
Just be cautious not to damage the paver surface by holding the washer nozzle at least 12 inches away. This powerful combo makes quick work of even the most stubborn oil spills for driveway, patio and garage block paving.
When it comes to removing oil from block paving, one size does not fit all! The most effective cleaning method really depends on the particular type of stain you‘re working with.
Follow this handy guide on choosing the best treatment route based on the oil source:
Motor Oil
-
Best Cleaners: Citrus-based degreasers, pressure washer
-
Dish soap also works well to dissolve motor oil residue
Cooking Oil
-
Dawn dish soap mixed with warm water can tackle these food grease stains
-
Baking soda scrub will lift the stain and absorb all the fatty oils
Fuel Oil
-
Kitty litter is the perfect solution for soaking up fuel oil spills
-
Pour generously and let sit 1-2 days before sweeping
Hydraulic Oil
-
Solvent-based degreasers designed for concrete are ideal
-
Products with TSP (trisodium phosphate) help cut through hydraulic oils
Vegetable Oils
-
Dish soap and warm water works perfectly to emulsify vegetable oil stains
-
You can also use baking soda paste to dissolve and lift this type of oil
Transmission Fluid
-
The most effective method is to pre-treat with a degreaser and then hit it with a pressure washer
-
The combo of chemicals and high pressure water blast transmission fluid away
As you can see, it pays to properly diagnose the type of stain you‘re dealing with and match it to the right cleaning solution. This will save you lots of time and elbow grease!
If you‘re not sure what kind of oil has spilled, I recommend starting with WD40 or an all-purpose degreaser on a test spot before moving on to a more heavy duty treatment if required.
Now that you‘re a pro at removing every last drop of oil from your block paving, let‘s talk about preventative steps you can take to avoid new stains forming:
Keep Cars and Grills Away
-
Park vehicles on driveways or roads whenever possible, not directly on block paving
-
Use drip pans and absorbent pads under cars and grills to catch leaks
Clean Spills ASAP
-
Don‘t let spills sit! Clean them up immediately before the oil has a chance to soak in
-
Keep an oil absorbent product like kitty litter on hand for quick spill clean-up
Re-Seal Regularly
-
Re-apply a protective sealer to your block paving every 1-2 years
-
Quality sealers prevent oil penetration into the pavement pores
Use Oil Absorbent Mats
-
Place absorbent mats, pads or socks in oil-prone areas
-
These attract and soak up drips and leaks before they reach the pavement
With some diligent prevention tactics, you can keep new oil stains from forming and save yourself the hassle of stain removal!
Well, there you have it – everything you need to know about using WD40 and other cleaners to remove pesky oil stains from block paving surfaces. With the right products and techniques, you can definitely restore your paved areas to their former pristine glory. I hope you found this guide helpful. Let me know if you have any other questions! I‘m always happy to help out.