Floating Shelves MDF or Plywood?
I’m building two 16 foot floating shelves that will be painted glossy white I feel that the MDF will give me a very smooth finished look versus all the work to make plywood smooth. I’m installing round puck lights recessed into the shelves and the shelves will not be bearing much weight. Should I use MDF or plywood?
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Go with MDF. For the length it would be more stable and less chance of sagging over time like plywood may do.
There are varying weights of MDF, and some can be quite heavy. MDF, unless sealed on all sides, will always emit some degree of formaldehyde into your home. It does look nice, when finished.
If you purchase it, see if it "chalks", by wiping it with a cloth, prior to painting it. If you recess the lights into MDF, be careful you don't fracture it when cutting the holes.
A good grade plywood would make the shelves stronger and you would not have to worry about weight. Bud MDF can be easier to work with and like you said would be smoothe.
I agree that MDF has a smoother finish
Although I am not a fan of mdf, I am leaning towards agreeing with you as long as the shelves won't hold much weight. Please make a post when you have completed your project so we can see how it turned out. Best wishes!
Another vote for MDF!
Thanks to all for your input! The 12 inch deep floating shelves and wall floating desk are completed. I used 1/2 inch MDF for the top of the shelves. 1/4 inch plywood on the bottom where the IKEA puck lights are recessed. Faced the shelves with MDF trim. Built the desk 24 inches deep with 3/4 maple plywood and MDF trim for the face.