How to sand wood with primer on it. Once dry wet sand the entire body as described in step 6 with 600 grit sandpaper only.
Ways To Prime Mdf For A Better Paint Finish
How to sand primer. Hand sanding with a flexible foam block. Sanding primer roughs up the surface of the primer creating a better bond with the paint layer. 2k high build primer sanding paint preparation wet and dry blocking flatting tips and tricks 22 duration. Next block sand the repair area with p320 grit until the guide coat is removed then re apply the guide coat. The goal of sanding wood that has primer on it is to smooth down the grain that has risen while still leaving the primer intact so you do not lose the added adhesion that the primer will provide for the top coat. A car or truck that needs some smoothin spray bottle filled with water wet sandpaper in varying grits.
Mix a small batch of the base coat color and spray on to completely cover the primer. You can remove any imperfections embedded in the primer. To sand wood with primer on it you should consider a finer grit sandpaper like a 220 grit sand paper. When preparing to sand a primer surfacer a best practice is to first apply a guide coat. Trevs blog 55407 views. Taking 320 grit sand paper to the test.
It smooths out the paint brush strokes so they wont be as obvious and allows the original texture of the door to shine through. This application helps detect any low spots or minor imperfections prior to sanding the primer surfacer. You can easily identify high or low spots due to the sharp contrast between the paint and primer. A short video of how i block sand primer to get it ready for paintcheck out my other videos. Dry sanding 2k primer surfacer with a d a sander. Learning how to prep your primed surface for paint.