Although there are many techniques for painting the inside and outside of a new building, some painting techniques meet the needs of most painting projects. The goal is to match the right painting techniques to the structure for maximum weather protection and a lasting finish.
Wood Exteriors: Choose Oil or Acrylic
For a wood exterior, the most important question concerns the choice of paint. Painting with acrylic paint on a wood exterior represents a better choice for the exterior of a building because the paint will "expand and contract with changes in wood," according to the Painting Information Network. Oil paint is also available, but it requires more solvent and damage occurs to the wood faster, because the oil paint become brittle with age. An oil paint job on a wood exterior costs the building owner more money over time due to the need to repaint sooner. Another common effect of using oil paint for wood exteriors is the need to replace the wood surface itself sooner due to moisture damage. A standard technique for applying oil and acrylic on wood is using a roller mounted on an extension.
Wood Exteriors: Backpriming
After selecting the paint for a wood exterior, there is another consideration for preventing water damage. Tim Carter, a nationally syndicated newspaper columnist, notes that backpriming is the step that many construction professionals skip on a new building. "Backpriming involves the process of coating all surfaces of a piece of wood with paint or any other coating which will inhibit water or water vapor from soaking into the wood," but it has to be done before the wood is installed. Paint a new building with a wood exterior using a primer coat and at least two layers of exterior paint for a lasting finish.
Concrete Paint: Apply Coating or Primer
The concrete exterior of a new construction project requires several steps before the exterior paint is applied with the traditional back-rolling technique. The following process is based on consumer information provided by Behr Paints: Clean a new concrete exterior thoroughly using a series of steps such as edging the concrete, removing any dirt or stains sustained during construction, cleaning the surface with concrete cleaner and rinsing the surface with water before the cleaner dries. When the concrete has dried, apply a concrete coating or a concrete/masonry primer before applying the final color. Whether using latex or acrylic exterior paint, the traditional technique of back-rolling is recommended by Behr, which involves rolling back into where you had just painted.
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