The back side of the painting is protected with a transparent polycarbonate. Non acid foam blocks are fixed under the polycarbonate to fill up the space between the canvas and the polycarbonate. This protection reduces canvas vibrations during transports
Detail of the protection : the foam is not touching the canvas and is screwed to the polycarbonate, screwed itself to the stretcher
Nylon screw which holds the foam to the polycarbonate. Inside detail
Nylon screw which holds the foam to the polycarbonate. Outside detail
