Do You Really Need a Spiked Roller When Applying Self-Levelling Compound?
Absolutely, the answer is a resounding Yes! A spiked roller is arguably more vital than a trowel when it comes to applying self-levelling compound. If I had to choose between these tools, I would always opt for a spiked roller. In fact, I’d keep a trowel handy just in case, but the spiked roller is your best friend for ensuring a smooth, even floor surface.
When working with self-levelling compounds, less can be more. Simply pour the compound onto the prepared floor and then run the spiked roller across it. This simple step helps to distribute the material evenly across the surface, creating a perfectly flat, seamless finish. Moreover, it effectively eliminates those undesirable air bubbles that can compromise the integrity of your floor. Can a trowel do that? Probably not!
How a Spiked Roller Helps Remove Air Bubbles
Self-levelling compounds naturally seek their own level, but they often require gentle encouragement to achieve the best results. It’s not advisable to spread the mixture manually with a trowel on your hands and knees; instead, a spiked roller is designed to do this efficiently. Moving the roller across the freshly poured compound releases tiny air pockets trapped within, preventing bubbles from forming and causing imperfections.
Why Air Bubbles Are a Concern and How to Prevent Them
When you mix your self-levelling compound using a whisk or a mixer, you might inadvertently introduce air into the mixture. Once poured, it’s often too late to address these bubbles if you don’t have a spiked roller on hand. Waiting too long to remove trapped air can result in visible imperfections or weak spots in your finished floor.
In addition to de-airing, a decent trowel can help spread the compound, but the roller is essential for achieving an even, bubble-free finish. Combining these tools—trowel, roller, and mixer—gives you the best chance for a professional-grade result.
Recommended Tools and Tips for Best Results
- Use a high-quality spiked roller, such as the 250mm x 21mm model with large spikes, for optimal performance.
- Pour the self-levelling compound smoothly onto the prepared surface.
- Immediately run the spiked roller across the poured material to disperse and de-bubble.
- Finish with a trowel if necessary to smooth out edges or uneven spots.
- Always follow the manufacturer’s instructions regarding drying times and application techniques.
With the right gear—trowel, spiked roller, and whisk—you increase your chances of achieving a flawless, durable floor. These are the same tools used by flooring professionals. Curious? Check out customer reviews on Amazon for real-world insights.
Product Spotlight: Spiked Screeding Compound Roller
Size: 250mm x 21mm with large spikes
Price: £20.49
Note: We earn a commission if you purchase through this link. This helps support our work at the Bloke Cave and funds future projects!
Last updated: 04/18/2025 06:57 am GMT
Personal Experience and Recommendations
Having completed numerous flooring projects using Ardex NA self-levelling, I’ve found that skipping the spiked roller is possible but not ideal. I’ve occasionally spotted minor air bubbles in the finished surface, which I managed to hide under the final floor covering. However, for the best possible outcome, investing in a spiked roller is highly advisable to ensure an even, bubble-free finish.
What Is Self-Levelling Compound?
Self-levelling compound, also known as floor screed or floor leveling mix, is a thin, cement-based mixture designed to create a smooth, level surface on subfloors. It’s typically applied over concrete or wooden floors before installing your final floor covering. The term “self-levelling” indicates that the mixture will naturally flow to fill in irregularities, but it still benefits from mechanical aid—like a roller—to guarantee a flat surface.
Why Use Self-Levelling Compound?
By applying a self-levelling compound, you transform uneven, bumpy subfloors into a perfectly smooth foundation. This is crucial when fitting rigid flooring options such as tiles or hardwood, which can crack or become damaged if installed over irregular surfaces. Conversely, softer flooring like carpet can tolerate unevenness without issue.
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