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Jotun Tough Shield Primer is an acrylic water-based sealer that acts as a good foundation for topcoat. It is easy to use and improves both the appearance and performance of the topcoat. The declared product provides good adhesion between wall surface and topcoat resulting in a good finish and lasting protection. Jotun Tough Shield Primer resists alkali attack that causes discolouration and improves the appearance of topcoat. The declared product is free from APEO and formaldehyde, heavy metals has not been used as active ingredients and has low volatile organic compound (VOC). Jotun Tough Shield Primer is suitable for exterior application on new buildings or repainting.