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  • Writer's pictureZack Jurkowski

Don't Let Your Beautiful New Tile Crack: The Importance of Uncoupling Membrane in Modern Renovations

If you're considering a bathroom or kitchen renovation, you might be dazzled by all the beautiful new tile options available to you. From larger format tiles to harder materials like porcelain, the choices are endless. However, with these modern floor covering choices come new challenges. That's where uncoupling membranes come in.

What are uncoupling membranes?

Uncoupling membranes are thin layers of material that are installed between the subfloor and the tile. Their purpose is to separate the tile from the substrate, providing a cushion that allows for small movements without cracking the tile.

Why Bigger and Harder Isn't Always Better

As mentioned, modern floor covering choices are getting bigger and harder. While this makes for a beautiful and sleek look, it also creates a new set of challenges. Larger tiles mean less room for error, and even a small movement can cause a crack. Harder materials like porcelain also mean less give, making it more likely for cracks to occur.

Joints are Getting Smaller, So Membranes are Getting More Important

In addition to bigger and harder tiles, we're also seeing a trend towards smaller joints. This is because grout lines are not as attractive as the tile itself, and people want to minimize their appearance. However, smaller joints mean less room for error, making it more important than ever to have a proper uncoupling membrane in place.

Waterproofing: A Bonus Benefit of Uncoupling Membranes

In addition to their primary purpose of preventing cracks, some uncoupling membranes also provide a secondary benefit of waterproofing. This is particularly important in areas like bathrooms and kitchens where there is a lot of moisture. By installing a membrane that also has waterproofing properties, you're adding an extra layer of protection to your subfloor and preventing costly water damage.

Conclusion: Protect Your Investment with an Uncoupling Membrane

In conclusion, if you're planning a bathroom or kitchen renovation, don't overlook the importance of uncoupling membranes. With modern floor covering choices getting bigger, harder, and with smaller joints, the need for a proper cushion is greater than ever. Plus, with the added benefit of waterproofing, you're protecting your investment and ensuring it will last for years to come. Don't let your beautiful new tile crack – make sure you have a proper uncoupling membrane in place.


Montreal Contractors is a qualified company, holding an active bonded license as a General Contractor and Specialized Contractor with the Régie du Bâtiment du Québec (RBQ License: 5767-5480-01), ASP Health & Safety Certification and a $2M liability policy. Our employees have all passed background checks, are registered with CNESST and have their ASP Health and Safety certification.

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