Poor Gloss Retention
Manifestations
- The paint film suffers deterioration.
- As a result there is a rapid and excessive loss of luster from the top coat.
- Causes
- Using an interior paint to cover an exterior surface.
- Using a low quality paint product.
- Applying a gloss alkyd or oil-based paint to a surface that stands in direct sunlight.
- The fact is that direct sunlight can degrade paint’s binder and pigment. This will cause chalking as well as poor gloss retention.
- NOTE: All paints eventually suffer some loss of luster over time.
- It is the lower quality paints that lose it within a short time period.
- Top quality acrylic latex paint is resistant to UV radiation; but, oil and alkyd binders absorb it and that causes binders to degrade.
- Solutions
- Prepare the surface for paint exhibiting poor gloss retention in a way similar to what is used for surfaces affected by chalking.