Sheen is a spectrum of how paint reflects light.
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Flat is at the lowest end of the spectrum reflecting zero light, it can be a difficult sheen to clean. This is the best finish to use
on ceilings as you do not want your ceiling reflecting light.
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Eggshell is a popular choice, low light reflection, easier to clean than flat.
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Semi-gloss reflects a fair amount of light, deals with moisture, easy to clean and is durable. Our Trim recommendation.
*High-gloss reflects full light, deals with moisture, easy to clean and is durable. This sheen shows all imperfections. This is used in special circumstances.