Description:
Area that presents an unwanted increment in sheen or gloss in the film of paint as a consequence of its rubbing, scrubbing or grazing with an object. 

Possible causes:

1. Use of a very flat paint in areas of high traffic, where a paint of higher shine would be more resistant.
2. Frequent washing and cleaning of the surface with an abrasive cleaner.
3. Graze of heavy objects (furniture, for instance) with the walls.
4. Inadequate selection of the type of paint in relation with the resistance required. 

Solution:

• Paint the areas that require frequent cleaning (as doors, window frames, etc.) with both durable and easy to clean paints. Use gloss or semi gloss paints in areas of high traffic, instead of paintings completely flat.
• To assure maximum washability and durability of the paint, wait at least two (2) weeks after the paint has been applied to wash it.
• When you clean the surface from dirty, stain, etc., use a piece of cloth or other non abrasive material and water or a non abrasive clean agent.  It is recommended to dilute previously the clean agent with water.