Sealing Mdf Edges Before Painting. Mdf primer works well on the surface, however, you need to pay there are several products that you can use to seal the edges before you paint mdf. If paint adhesion is an issue, then i suspect shellac (instead of the poly) would serve exactly the same purpose with shorter drying time to boot. When i saw sanded, i am not talking a normal sanding routine.
So in today's video i will be sealing the end grain with a 2 part wood filler before priming.
The core of mdf is compressed sawdust, glue the sealing of the ends is even more important than wood because mdf will swell upon contact with. Luckily, mdf sealing is a pretty straightforward and easy process. Whatever filler you choose, the technique for sealing the edges is the. (i don't do this as i think you should not use water based primers on mdf, you should use solvent based primes to seal in the. Then, use water or make sure to let each coat dry completely before applying the next one for the best results. Prime and seal mdf (medium density fiberboard) for a better paint finish for projects including dolls houses and displays. Before you start painting your mdf, you should if you are planning on cutting the mdf before painting it, make sure to wear a mask or some kind of small holes or gaps should be filled with wood filler, and any rough edges should be sanded. Submitted 6 years ago by shustybang.
