NOT KNOWN FACTS ABOUT PAVING SEALERS

I just had Bluestone nicely laid in an outdiir 5 x 9 foot porch, shielded using an overhang, yet however exposed to temperature, some humidity. Really should Bluestone be sealed and when so, what product is most effective.Minimal modulus sealants are sometimes sold in natural overcome variants, that means they adhere far better to the larger variet