What type of wood should I use? - Woodworking Talk - Woodworkers Forum
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post #1 of 11 Old 04-27-2009, 10:30 PM Thread Starter
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What type of wood should I use?

I have to replace some basic square columns on my porch. They are not load bearing. There is a steel support brace inside them. I want to paint them white. Should I use treated plywood and let it cure over the summer before painting? Or, is there an alternative that I can pain immediatly that will also last? They are very simple construction, but they do need to look good. I will finish them with some crown molding at the top and quater round at the bottom. Please give me some guidance. Thanks
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post #2 of 11 Old 04-27-2009, 10:54 PM
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i think if it was me i would use cedar over treated ply.

in my experience treated ply is not very good for this type of use it will warp and twist like crazy.

cedar with a good coat of primer and them paint would be the way i would go.

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post #3 of 11 Old 04-27-2009, 11:12 PM
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Azek, no painting again!!
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post #4 of 11 Old 04-28-2009, 12:44 AM
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Get some precast fiberglass columns. They work, and look great.
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post #5 of 11 Old 04-28-2009, 09:10 AM
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If they are square and you want a ply product then MDO is the way to go. Made for exterior and paints extremely well. Otherwise, Scribbles idea would be great.
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post #6 of 11 Old 04-28-2009, 09:53 AM
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The MDO will work great. If you can't find it, the fiberglass columns are also great.


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post #7 of 11 Old 04-28-2009, 10:02 AM
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Why not a synthetic material?

Azek as posted by WC or Trex or other deck material. Waterproof, rotproof, don't know about paint adhesion however it may come in colors? White? bill

The answer to your question will only be as detailed and specific as the question is detailed and specific. Good questions also include a sketch or a photo that illustrates your issue. (:< D)
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post #8 of 11 Old 04-28-2009, 09:32 PM
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What part of the country are you in? Weather makes a huge difference. Here in Ohio with our winters and wetness, it's either cedar or redwood, cedar being a lot cheaper. I wouldn't make much anything out of the treated plywood. I haven't seen a straight piece of that in the stores before it gets outside. We have also used solid color white exterior stain on porch parts and have had good luck with that. Usually the wood is put up with the rough sawn side out. With redwood and especially cedar, stainless steel fasteners are a must. Good hot-dipped galvanized is a close second. But sometimes they will rust.
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post #9 of 11 Old 05-01-2009, 11:07 PM
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Lightbulb PVC Columns

I always like to use PVC for outdoor paint grade columns. PVC is water resistant and very smooth for paint finish.

Last edited by JAKESCHS.COM; 10-09-2010 at 05:28 PM.
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post #10 of 11 Old 05-02-2009, 05:34 AM
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I like the PVC trim as well. I have started using it quite a bit in the last two years. I have had very good results.
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post #11 of 11 Old 05-03-2009, 03:51 PM
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stoo....try www.outwatercatalogs.com. Theres a section for columns and capitols. Some are load bearing and some not. You can order directly from them and eliminate the middle guy. I think fiberglass or composite are the way to go for a long, nearly maintenance free life.
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exterior columns, porch, pvc columns, pvc posts, wood type

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