The Midnight Solid 2 Panel MDF Barn Door features 1-1/8 inch thick doors produced using solid MDF... medium density fiberboard. Doors are made for interior use only. Sliding hardware not included. Textured 3D laminate doors include black ''t-moulding applied to the 2 long vertical edges of the door. This door is available with the door design router-carved on both sides of the door. All doors in MDF series are solid and heavy. For safety, please install using two people.