Should Exterior Window Trim Be Pressure Treated Wood?

Answer:

Pressure-treated wood may not be the best choice for exterior trim, since most pressure-treated wood is southern yellow pine, a species that is not particularly good at holding paint. Southern yellow pine, whether or not it is pressure-treated, does not hold paint as well as western red cedar.

Answer:

Pressure--treated wood may not be the best choice for exterior trim, since most pressure--treated wood is southern yellow pine, a species that is not particularly good at holding paint. Southern yellow pine, whether or not it is pressure--treated, does not hold paint as well as western red cedar.


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Frequently Asked Questions

Does exterior trim need to be pressure treated?

Its all raw wood. Prime/paint all 6 sides of the trim before it goes up, and you'll be fine. No need for pressure treated.

Can I use pressure-treated wood for window trim?

Not Designed for Finish Work Pressure treated wood is not meant to be used on finish surfaces. The chemicals used to help the wood resist rot often leave behind a greenish tone on the wood. To use it on trim, you will need to prime the wood first, and then paint it.

Which is more important wood trim or paint?

More important for the life of wood trim than the specific material it is made of and the paint put over it is the design and geometry of the trim work and the quality of its installation. Is the trim drained properly? Can it dry out quickly after rain?

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