After the paint booth was constructed, I started spraying the horizontal stabs. I started with the coats of PolyBrush then with the PolySpray. I did no more than 2 coats a day with Paint Surface Cleaner and a tac rag between coats.
After I sprayed 2 cross coats of PolySpray, I took them inside and sanded out what I din’t like. Then sprayed 3rd cross coat.