llwillysfan on here has been giving great advise in the past. But I am of the belief that ‘high n dry’ is good. Another 8” row of block is some money well spent. As alway, just my opinion
Preval worked beautifully for me when I was doing a ‘body off’ restomod on my ‘65 Impala. I needed matching paint just off the instrument panel. They matched it perfectly and sold me an aerosol can……lovely!
In April , at a local swap meet, I bought neon sign letters of a local dairy, luncheon, ice cream chain, so I’ve been constructing a frame and doing some reconditioning of the sign.