MONARCA Modern Sliding Door pt1

I made this door for my father s house. I started with 0. 2 thick MDF planks, after having cut them with the desired dimensions, I made a supporting structure in fir joists. After gluing an MDF plank to the structure, I filled the spaces with extruded polystyrene sheets. Finally I glued the second plank. I made the surface decoration cuts with the circular saw. I painted the door with a waterbased enamel paint (light blue RAL 5012), giving four coats of paint. I fixed the door to the wall with