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Wood

Siding and Trim/Stained/To Be Stained

  1. Surface Preparation:
    • remove all loose or poorly adhering stain, and weathered wood fibers by scraping, or by careful hand wire brushing using a stiff metal wire brush going with the grain of the wood; wear eye protection, work gloves and a dust mask
    • cedar, all bits of steel wire must be removed or discoloration can result
    • treat any mildew with a 3:1 water:household bleach mixture, leaving it on for 20 minutes and adding more as it dries; wear eye and skin protection; rinse thoroughly
  1. Priming:
    • generally, priming is not done with restaining
    • do apply quality stain blocking exterior latex primer if mildew or stain bleed are persistent problems
    • do not leave a primer unstained
  1. Painting:
    • use top-quality exterior 100% acrylic latex or oil-based solid color or semi-transparent stain
    • latex types will resist mildew better in solid color and semi-transparent types, and resist flaking better in solid color
    • oil-based will apply with less lapping and will stand up longer in semi- transparent formulas

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