Asked by: Yanis Llaneshobbies and interests woodworking
Do deck boards need to be pressure treated?
Last Updated: 20th March, 2020
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Similarly, should deck boards be pressure treated?
Pressure-treated lumber is the logical choice for the structural part of your deck—the posts, joists, beams and other members you normally don't see. Pressure-treated lumber can support more weight and span longer distances than cedar, redwood or other woods commonly used for building decks.
Secondly, can I use untreated wood for deck? Yes, you can use untreated pine outdoors but you shouldn't make it your first choice. Pressure-treated pine is going to hold up against the elements much better. Treated pine, however, can be a great solution for other outdoor projects including decks or even fences.
Beside above, do you need to seal cut pressure treated wood?
Use Cut-N-Seal® on areas that have been drilled or saw cut in treated wood deck boards, railing, post tops, fence boards, etc. Cut-N-Seal is not recommended to replace pressure treatment. Do not use to recoat pressure treated wood surfaces.
How long does pressure treated wood deck last?
15 to 20 years