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Getting a resin floor right depends heavily on preparing the right surface underneath. Choosing a suitable and well-prepared base ensures your resin flooring remains flawless and long-lasting, no matter where it’s installed.
Which Substrates Work Best?
For resin flooring, your base—known as the substrate—should always be stable, clean, and firm. Concrete is the most common and reliable option, thanks to its strength and even surface. Screed, either new or well-finished, is also commonly used. Compacted tarmac is sometimes utilised for outdoor projects, particularly if aiming for a permeable system. Avoid loose, friable, or damp surfaces, as these can lead to poor adhesion or early failure.
Preparing Your Subfloor: Cleanliness and Priming
Before application, all dust, debris, oils, and prior coatings must be removed to give the resin a proper grip. Any cracks or holes should be repaired beforehand. For extra reliability—especially on porous or mixed surfaces—applying a suitable primer like Epoxyprimer – Universal Water-Based Two-Component Epoxy Floor Primer is highly recommended. Primers help seal the surface and boost adhesion, creating the perfect foundation for your resin finish.
When This Matters Most
- Heavy traffic areas: A strong, crack-free base ensures durability for garages, paths, or driveways.
- Outdoor floors: Proper drainage and stability are vital for any areas exposed to the weather or with permeable finishes, such as those created with products like the Flowstone kit.
- DIY projects: Good surface prep helps prevent common installation issues for first-timers.
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With a stable, well-prepared subfloor, your resin flooring will stand the test of time and look its best. For more on the full installation process, return to our guide on making resin flooring.