Paint-Grade Trim: Finger-jointed pine, poplar, or MDF
When you’re selecting paint-grade trim, you can choose among several options. My favorite material to work with is one that’s dry and straight, and comes in long lengths. Sure, it’s a bit more complicated than that, but it’s an important idea to keep in mind.
The truth is that you’ll most often be choosing among fingerjointed pine, poplar, or medium-density fiberboard (MDF). Each material has benefits and drawbacks worth considering. Whatever kind of trim you choose, make sure it’s the best the lumberyard has to offer.
Any of these materials can come with problems like twist, warp, or internal stresses from having been stored for too long on a wet slab or on a basement floor. There is no material, regardless of quality, that compensates for stock that has been carelessly handled or improperly stored.
Finger-jointed pine is a common product used on many…