Seal Hardeners penetrate into the concrete, leaving no coating on the surface that will wear, peel, chip or scratch. The average life of untreated concrete is 30 years. With the application of a sealer/hardener on a concrete floor becomes permanent, with no further treatment required. PPH offer advice and expertise on what product would best suit your project. We have a wide variety of products to choose from. With these will you obtain a quality finish and longevity of use from your floor.