Free shipping on orders over £29,85 
Shipping Tracking! 
Google
Facebook← Back to What stains resin flooring?
Protecting the concrete base before applying resin flooring is essential to prevent stains and ensure the system’s longevity. A well-prepared base offers reliable performance and helps guard against moisture and chemical exposure.
Why Protect Concrete Before Resin Application?
Unsealed concrete can absorb liquids and stains, which may migrate up into resin layers or compromise adhesion. Applying a quality sealant or primer acts as a barrier, helping maintain the visual appeal and stability of the finished floor. Preparing the base reduces the likelihood of future issues such as discolouration, peeling, or moisture ingress.
Choosing Between Methacrylic Resin and Epoxy Primer
Two of the most popular solutions for protecting concrete under resin floors are methacrylic resin sealants and epoxy floor primers. A product like Resinstone offers deep penetration and creates a waterproof yet breathable seal, suitable for both indoor and outdoor settings. Alternatively, a dedicated epoxy primer such as Epoxyprimer is designed to maximise adhesion between concrete and resin, also reducing staining risks. Both methods help prevent unwanted liquids or chemicals reaching the underlying concrete.
Practical Guidance for Application
- Preparation: Clean the concrete thoroughly, removing dirt, grease, and oils. Use a suitable degreaser if required.
- Application: Roll or brush on the chosen sealant or primer, ensuring full coverage. Follow manufacturer guidance for drying or curing times.
- Coverage: Keep in mind that more porous bases may require additional product for effective sealing.
When This Matters Most
Proper concrete protection is particularly crucial in garages, kitchens, warehouses, or outdoor spaces, where floors may be exposed to oils, chemicals, or moisture. Investing time in base preparation will save on repairs and refinishing down the line.
Related products
Related guides
Preparing and sealing concrete is a key first step to prevent stains beneath resin flooring and support a long-lasting, attractive surface. For further details on keeping your resin floor looking its best, discover more on what stains resin flooring.