What is the best way to edge joint MDF. I am going to build a shoe rack to put in the garage, so I grabbed a couple boards of laminated MDF to avoid painting the finished product. What do you think is the best way of making a T joint with MDF for both pieces. I can always put a wood strip under the joint and use it to hold screws but I see several joints in my closet where the MDF is joined in a T and there is no additional support used. The joints seem to be pretty strong.