Paint Quality Institute

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Prep, Prime and Paint
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Plaster

New and Unpainted/To Be Painted

  1. Surface Preparation:
    • the plaster should be thoroughly dried out before painting, that can take up to one month following installation, depending on thickness, temperature and relative humidity
    • glossy, sealed areas should be dulled by sanding; wear eye protection and a dust mask
    • remove all dust, dirt, etc., with a damp cloth
  1. Priming:
    • priming is necessary for maximum adhesion of the finish coat, protection of it from alkalinity, and sheen uniformity
    • use a quality stain-blocking latex primer that is recommended for interior plaster
  1. Staining or Clear Coating:
    • for best dirt resistance, durability and cleanability, use a top-of-the-line interior latex wall paint in flat, eggshell or satin finish, depending on appearance desired
    • a satin finish will provide best dirt and stain resistance
    • a medium line, dead flat latex wall paint will do well for hiding irregularities in the surface, and will touch up less noticeably than a paint with more sheen

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