Removed right skirt from canopy frame and relocated canopy frame to fuselage. Clecoed right skirt onto frame and check fit of forward edge of skirt with aft end of forward top skin, making sure that new shims still allowed the correct fit. Removed skirt and frame from fuselage. Previous masking on inside of canopy was peeling; tried to fix to no avail. Removed all masking from inside of canopy and remasked with electrical tape, PVC tape, floor masking plastic and fine line tape.