I use Ronseal high performance wood filler. Easy to sand and sands smooth. You’ll have to sand between coats of primer because first coat will raise the grain of mdf leaving filled areas non-raised.
How do you fill gaps in MDF furniture?
And mix in the hardener. Now the rule for the hardener with this. Is if you had a golf ball-sized
Can joint compound be used on MDF?
Drywall compound is water based, so if you apply to the edge of MDF, you will have to wait a lot longer to throughly dry (& shrink back down).
Can you use a biscuit joiner on MDF?
I have used biscuits to join 12mm MDF quite successfully. I just wiggle the jointer a bit to enlarge the slot slightly.
How do you fill holes in MDF trim?
My Favorite Nail Filler and How to use It – YouTube
How do I join the MDF pieces?
Woodworkers use spline joints to join two pieces of like material together. The spline joint is a piece of wood centered between two pieces of MDF to connect them. When glue and clamps are employed, an MDF joint is nearly invisible and almost indestructible, as long as the MDF is thick enough.
What can I use instead of wood filler?
To make a versatile wood filler for free, just grab a paper plate and combine Elmer’s or any other wood glue with sawdust.
How do you fill MDF edges?
So use a half-decent acrylic primer undercoat paint your edge forget about the rest of it for now