Exterior Paint for Wood Using Oils or Acrylic

brushing oil or acrylic paint on exterior wood

Exterior Paint for Wood Using Oils or Acrylic


Exterior Paint Preparation Steps For Owners

You can use exterior paint for wood, eighter oil-based or acrylic, water-based acrylic paint offers more significant advantages. Learn the limitations of oil-based paint, or you could end up with a cracking finish that loses its lustre after a short time. Know the proper way to prepare the wood for long-term adhesion, or finish failure will result in no matter what type of paint you choose.

Oil Paint (alkyd)

Oil paint is a tough, durable finish that has a petroleum base. This particular finish will bond to adequately prepared exterior wood; however, it has its drawbacks. Because it is so hard, oil-based paint cannot expand and contract, which sometimes causes it to crack in extreme temperatures. This finish may also break as wood naturally shifts over time. Oil-based paint also may turn dull and chalky after a year or two.

Acrylic Paint (waterbased)

Acrylic paint is the best choice for outer wood surfaces for a variety of reasons. Unlike oil-based paint, acrylic finishes tend to retain their colour and sheen for long periods. Water-based acrylic is also very flexible, a trait that allows it to expand and contract as wood shifts and temperatures climb and drop. Because acrylic paint is water-based, it doesn't expel the same noxious fumes oil-based finishes put off.


Ordinary exterior acrylic paint is well suited for wood siding and fences; however, it won't prove durable on outer wood surfaces subject to duress. If you plan to paint a horizontal wood surface, such as a deck or patio, use acrylic deck paint. For wood surfaces that must endure many physical contacts, such as exterior wood furniture, use an extremely durable, glossy acrylic enamel.

Your Preparation

No type of paint will work on bare exterior wood. Whether you choose oil- or water-based paint, you must prime the wood to promote adequate, long-term adhesion. Choose compatible paint depending on the base of the finish coat. A water-based acrylic primer is appropriate for exterior wood surfaces you plan to paint with acrylic paint. Don't use an acrylic primer on the wood you plan to finish with oil-based paint, or the final finish may crack; instead, choose an oil-based primer.



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