The short answer is no. Applying an oil-based stain over a water-based stain is generally not recommended due to incompatible chemical compositions.
Water-based stains penetrate the concrete and become a part of its structure, bonding with the substrate. On the other hand, oil-based stains remain on the surface, providing a layer of color and protection. The oil-based stain cannot effectively adhere to the underlying water-based stain, leading to poor results and potential peeling or flaking.
In cases where you wish to switch from a water-based to an oil-based stain, it is crucial to remove the water-based stain first. This can be done through various methods, such as sanding, chemical stripping, or pressure washing. Once the concrete surface is free of the water-based stain, you can proceed with applying the oil-based stain according to the manufacturer’s instructions.
While water-based stains and oil-based stains both have their advantages and disadvantages, it is important to understand their compatibility before layering one over the other. Attempting to apply an oil-based stain over a water-based stain can result in poor adhesion and unsatisfactory results. Therefore, if you wish to switch from a water-based to an oil-based stain, it is best to remove the existing water-based stain before proceeding. Always follow the manufacturer’s instructions and consider consulting a professional if you are unsure about any step of the staining process.