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  • Like interior paint, exterior paint is available in both latex and oil-based formulations—both of which are designed to withstand wear and exposure to severe weather conditions.
  • The advantage of exterior latex paint is that it films on exterior wood allowing moisture to evaporate through the film, which helps reduce blistering.
  • The disadvantages of exterior latex paint, especially of some lower-quality products, are poorer adhesion to badly weathered or chalking surfaces and, in some cases, less effective hiding qualities.
  • The best qualities of oil-based paints are their effective penetration of the surface and excellent adhesion. Oil-based paints have advantages over latex paints in that they adhere better to chalky surfaces and they provide better results for anyone repainting a surface that already has several layers of oil-based paint.
  • Trim paints are chosen to contrast with house color. They dry quickly to a hard finish; they are primarily for use on window frames, shutters and railings. Trim paints are not recommended for large surfaces.
  • Flat finishes, which mark easily, should not be used on doors, door frames or other areas that are exposed to wear. Satin or gloss paints are recommended for these areas.
  • Major problems associated with house paints are generally due to:
    • failure to follow manufacturer’s directions
    • excessive moisture
    • painting wet surfaces
    • painting during inclement weather
    • failure to use proper primer coat
    • failure to clean the surface completely.
  • Any of these conditions can cause blistering, peeling, early fading or similar problems.

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