Old Masters Oil BasedPenetrating sealer

This product is a clear, penetrating oil formulated with natural Tung Oil. Suitable for both interior and exterior applications. On wood surfaces, this product seals out moisture to enhance the life and natural appearance of wood, while preventing staining and checking. On masonry and concrete it will produce a moisture seal that reduces concrete dusting, staining, and efflorescence. Penetrating Sealer also hardens masonry and natural rock surfaces and reduces frost damage. It contains ultraviolet absorbers for advanced sun protection.