Do I need to seal flamed Granite tiles in an outdoor setting? The short answer is no, flamed Granite is not difficult to clean and will not colour fade. Over time many contaminates will simply dissipate.
However there are some major benefits to sealing any stone outside, and this includes flamed granite. Clean up will be made even easier, and around B.B.Q areas that is a must! Also general dirt, moss and other contaminates can be cleaned up with ease.
We attached this link to help you decide on which sealer suits you best.