Sanding Sealers Explained: How They Affect Grit Cut and Finish Clarity (220–800 Grit Guide)
Sanding sealers do more than speed up finishing—they change how your sandpaper behaves. These thin, fast-drying coats fill pores and bind surface fibers, allowing finer grits to cut cleaner with less clogging. But using the wrong grit or sanding too...