Sealant??? There is NO sealant on the markey that is safe on a finish over time. NONE. That will get some flack i'm sure but my opinion. And alot of other custom freaks.
They invade the finish and time. temp,and UV'* get to em. Nothing in this world is totally UV stable. "cept Joan Rivers face.
The car gets it'* first "organic natural" wax the beginning of May just before it'* first show.The standard time is 30 days. But With 7 coats of new paint, It should be a little longer. Mine will be almost six weeks. Cant imagine it any shinier.