When preparing to sand a primer surfacer a best practice is to first apply a guide coat. Once dry wet sand the entire body as described in step 6 with 600 grit sandpaper only.
Sanding Steps To Prep A Car For Paint And Clear
How to sand primer. Mix a small batch of the base coat color and spray on to completely cover the primer. Sanding primer roughs up the surface of the primer creating a better bond with the paint layer. Trevs blog 55407 views. How to sand wood with primer on it. Learning how to prep your primed surface for paint. A car or truck that needs some smoothin spray bottle filled with water wet sandpaper in varying grits.
It smooths out the paint brush strokes so they wont be as obvious and allows the original texture of the door to shine through. You can remove any imperfections embedded in the primer. Next block sand the repair area with p320 grit until the guide coat is removed then re apply the guide coat. A short video of how i block sand primer to get it ready for paintcheck out my other videos. 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. Hand sanding with a flexible foam block.
To sand wood with primer on it you should consider a finer grit sandpaper like a 220 grit sand paper. This application helps detect any low spots or minor imperfections prior to sanding the primer surfacer. 2k high build primer sanding paint preparation wet and dry blocking flatting tips and tricks 22 duration. You can easily identify high or low spots due to the sharp contrast between the paint and primer. Taking 320 grit sand paper to the test. Dry sanding 2k primer surfacer with a d a sander.
Gallery of How To Sand Primer
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