Examines rolls of wallpaper for defects, such as discoloration, printing irregularities, streaks, and color splashes, and tests for improper coating or waterproofing: Unrolls portions of wallpaper rolls or hangs rolls on test wall to examine for surface defects and symmetry of printed figures, register of colors, and uniformity of waterproof coating.
May inspect new paper stock to detect ripples or other flaws. May inspect sample rolls of wallpaper for printing irregularities before authorizing printing of remaining rolls. May apply specified test chemicals to wallpaper sample to test for washability.
