Architectural Paint Investigation – Ultraviolet Examination
Cross-section examination (with Ultra-violet Fluorescence)
Every paint layer is evidence of a decision to alter an interior – and an indication of the taste, aspirations and wealth of the occupants.
This paint sample taken from a 19th century lamp-post reveals the two early varnish layers and the more recent post WWII schemes.
This means that it is a useful marker material for the dating of paint. The distinctive white particles in the second decorative of the cross-section below are particles zinc oxide.