Repainting old shellacked wood cabinets. Cleaned with TSP and paint thinner, lightly sanded, Zinsser oil base primer, then Valspar semi gloss white. Doors have satiny finish with areas of shine. Lightly sanded and reapplied and same result. ??

Help me out please. I have a job to bid. I have already done this mans house and he called me to do a new office building. I do houses all the time but not commercial. Its not a big building but i just don’t want to short myself. It’s