How To Fill Nail Holes In The Wall. 1 filling nail holes in walls. The process for how to fill nail holes that are a bit larger in size (think ½ inch diameter or larger) is pretty much the same as filling small nail holes then turn the mixture into a paste by slowly adding in paint, primer, or varnish.
If you have a larger, more ambitious hole from removing a bracket or anchor, warm the tip of the crayon with a lighter to soften.
Learn how to fill nail holes, seal, and paint to avoid those step 3: Nail hole wood fillers are highly useful for filling the small holes in the mdf trim or other material. Want to get rid of the holes caused by nails on the wall? Do you have little holes from nails and tacks scattered across your walls?