Flagstone Patio - Knowledgebase Question

Mesa, Ar
Question by hsteates
June 12, 2009
I have slabs of red flagstone that line my patio. How would I clean that in order to get the 'red' color to become vibrant again?

Answer from NGA
June 12, 2009


The best approach is to power wash the flagstone (or scrub it down with soapy water and a scrub brush), then allow to dry and apply a concrete sealer. You can brush or roll this on. It will darken the color of the flagstone and give it a sheen. You can reapply every 2-3 years. Good luck with your project!

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