When considering microcement for your home, especially in wet areas like bathrooms, one of the most common questions is whether microcement is waterproof. The answer might surprise you: microcement is not waterproof. However, that doesn’t mean it’s not suitable for use in areas exposed to water. Here’s what you need to know about microcement and its relationship with water.
The Truth About Microcement and Waterproofing
In Australia, for a material to be classified as waterproof, it must meet specific standards outlined in the Australian building code. This often means the material must be a waterproofing membrane, designed specifically to prevent water from penetrating surfaces. Microcement, while highly durable and resistant to moisture, does not fall into this category. Just because water beads on the surface of microcement does not make it waterproof by these strict standards.
Despite not being waterproof, microcement is still an excellent choice for bathrooms and other wet areas. The key to its effectiveness lies in its application over a waterproofing membrane. The membrane is the actual barrier that prevents water from seeping through to the underlying structure. Microcement is then applied on top, providing a beautiful, seamless, and water-resistant finish.
While microcement itself is not waterproof, it is water-resistant. This means that water will bead and roll off the surface rather than soaking in, which is why it works well in spaces like bathrooms. Additionally, microcement is a breathable material. If moisture does manage to penetrate the surface, the material allows it to evaporate naturally, preventing long-term damage. This microcement breathability is similar to what you might experience with concrete, natural stone, or grout lines in tiles.
What Happens If Water Gets Through?
If water does penetrate the microcement surface, you might notice some darkening as the material absorbs moisture. However, this isn’t necessarily a cause for concern. The breathability of microcement allows the moisture to evaporate, meaning the surface will eventually return to its original appearance as it dries out. This characteristic is one of the reasons why microcement is favoured in design—it’s not only durable but also resilient to the effects of moisture.
Conclusion
So, is microcement waterproof? No, but it’s still highly suitable for wet areas like bathrooms when properly applied over a waterproofing membrane. Its water-resistant properties and breathability make it a reliable choice for creating a seamless, modern finish that can withstand the challenges of daily use. Understanding the difference between waterproof and water-resistant is crucial, and when it comes to microcement, you can feel confident that your surfaces will remain both functional and beautiful.
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