CAUSES: Using alkyd or oil-based paints in white light colors. Heat effect from heating ducts, radiators or stoves. Limited light exposure behind pictures, appliances, inside closets, etc. Oxidation of oil based paints/varnishes. Recycled paper on sheet rock.
SOLUTIONS: Select premium acrylic paints that are non-yellowing. Available in a variety of sheens for most every purpose. Non-yellowing varnishes are also available. Alkyd and oil-based paints tend to yellow particularly in little or no sunlight and dark areas.