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Painting Exterior Siding

 
 
 
Wood Lap Siding (Pine or Cedar)
  1. Lap siding, or "shiplap" siding, is typically siding that is made from either pine or cedar. If you are painting previously painted lap siding, remove any loose or peeling paint by scraping and feather-sanding the edges of the peeled area.
  2. Caulk any gaps between boards and any holes or large cracks to prevent moisture migration into the wood, which can cause further peeling.
  3. Spot prime any bare wood areas with a top-quality, 100% acrylic latex primer or oil primer.
  4. Paint the entire surface with a premium-quality, 100% acrylic latex house paint such as Valspar® Duramax®, Valspar® Aspire™ or Valspar Medallion®

 
Vinyl Siding
  1. With today's acrylic paint technology, vinyl surfaces can be painted to produce the desirable end results you are looking for. The key to painting vinyl is to start with a clean surface and then be sure to apply a top-quality, 100% acrylic house paint. Acrylic paints offer the very best in terms of coating adhesion.
  2. Note about color choice: It is a general rule of thumb to never paint vinyl siding any darker than its original color, because significantly darker colors will absorb more radiant energy from the sun and may cause the vinyl to warp.

 
Hardboard Siding
  1. Hardboard siding is not a common choice for today's homeowners and builders, but there remain hundreds of thousands of homes in existence that were constructed with this material.
  2. Hardboard is essentially composed of thousands of tiny fragments of wood compressed and glued together between two paper surfaces.
  3. Typically, this siding came in lengths in excess of 12 feet and in widths of up to 18 inches. It was installed in the lap siding fashion.
  4. Hardboard siding was notorious for "bleed-through," due to tannins and adhesives present in the material that would migrate through and discolor a latex paint.
  5. Accordingly, it is recommended that an oil based or 100% acrylic latex primer be used on this type of surface prior to repainting with a 100% acrylic latex paint.
  6. New hardboard should also be primed and painted in the same fashion.

 
Fiber-Cement Board Siding
 
  1. Fiber-cement board, offered by various manufacturers, has become popular in some parts of the country as a siding alternative.
  2. New board should be cleaned of dirt or other residue before priming with an acrylic latex exterior primer.
  3. As a final top coat, apply a premium-quality, 100% acrylic latex house paint of the desired finish.

 
 
 
 
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