What To Do After Sanding Before Painting

Like if you want to prep the surface for exterior painting where you want that the primer and paint stick firmly it would be better to use a lower count coarser sandpaper to make the surface rough.

What to do after sanding before painting. Therefore you are giving the surface some tooth as they say so the new paint will adhere. But if you want to paint or varnish your interior furniture after using the filler you will definitely want to get a nice smooth finish and using a higher grit count would make the sense. When sanding between polyurethane coats on wooden floors you can use 320-grit sandpaper wrapped around a hard block for the best result.

Using denatured alcohol after sanding would work too. While blowing the dust off with compressed air removes the dust it also mixes it into the air so some of it can settle back onto the surface and so you can breath it. In most cases your initial sanding should take place after youve cleaned a given surface.

Sanding will create a smooth surface that will help your paint to look great. Sanding your door well before priming and painting is the right way to do it. Wrapping it all up using a sanding block and 220 grit sandpaper after painting walls will help restore that smooth finish you were looking for.

Our next example is of a hardwood floor refinishing project by Mr. After the second coat you can sand with 400-grit sandpaper. You might also want to finish off the wall by sanding it again after painting.

In this photo you can actually see the floors before they were sanded after they were sanded and after they were stained and finished. If youre repairing drywall prior to home interior painting for instance youll want to sand down the dried caulkjoint compound so the patch job is flush with the rest of the wall. When prepping a wall for painting we generally recommend a softer sandpaper to avoid damaging the wall.

Also when painting like others have pointed out can raise little fibers from the drywall going over the surface with a. It is good to use a shop vac to clean the surface between sanding grits removing the larger grit particles from the wood before sanding with the next higher grit. They are very handy if you need to de-grease anything.