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Old 08-15-2014, 10:25 PM   #1
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Paint, stain, primer? for covered porch.


I am putting down tongue and groove treated pine on a covered porch. What is going to make this hold up longer? Do I paint or stain? Do I need to prime first? Is there a particular product that I should look for? I am in Louisiana. Thanks

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Old 08-16-2014, 07:15 AM   #2
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Paint, stain, primer? for covered porch.


I would NEVER paint treated it won't stay on it. I would use a semi-transparent stain. Sherwin Williams Woodscapes is a good product. Follow label directions and you won't go wrong.

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Old 08-16-2014, 07:41 AM   #3
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Paint, stain, primer? for covered porch.


Guess you mean a floor?
Roof but no walls?
How old is this?
Pressure treated, unless it's kiln dried after treatment would take at least 6 months to dry out before staining. May take longer in your area.
Why T & G? May be some drainage issues doing it that way.
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Old 08-16-2014, 09:44 AM   #4
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Paint, stain, primer? for covered porch.


Quote:
Originally Posted by joecaption View Post
Guess you mean a floor?
Roof but no walls?
How old is this?
Pressure treated, unless it's kiln dried after treatment would take at least 6 months to dry out before staining. May take longer in your area.
Why T & G? May be some drainage issues doing it that way.
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Old 08-16-2014, 02:01 PM   #5
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Paint, stain, primer? for covered porch.


Quote:
Originally Posted by joecaption View Post
Guess you mean a floor?
Roof but no walls?
How old is this?
Pressure treated, unless it's kiln dried after treatment would take at least 6 months to dry out before staining. May take longer in your area.
Why T & G? May be some drainage issues doing it that way.
Yes roof but no walls.
This is a new construction. I think these boards have been sitting at the lumber yard a while. I took a moisture analyzer to them and it read about 5.5 on average.
This is a second floor porch with a finished ceiling on the porch below (plantation style). It will be a floating deck on sleepers and there is epdm rubber below in case water did happen to get through. And it is sloped away from the house.
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Old 08-16-2014, 02:06 PM   #6
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Paint, stain, primer? for covered porch.


So there will be a 3/4" gap between the deck and the rubber because the deck will be sitting on 1x4 sleepers.
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Old 08-16-2014, 10:46 PM   #7
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Paint, stain, primer? for covered porch.


There are no direct contact rated 1 X 4's.
You have more then enough post, time for some pictures.
Not sounding good so far.
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Old 08-16-2014, 11:30 PM   #8
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Paint, stain, primer? for covered porch.


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There are no direct contact rated 1 X 4's.
You have more then enough post, time for some pictures.
Not sounding good so far.
Not sure I understand what you are saying? The 1x4s are the sleepers that the deck will sit on.
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Old 08-17-2014, 08:45 AM   #9
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Paint, stain, primer? for covered porch.


The pics help to understand your situation a lot. Its been my experience that covered second story decks like that are relatively easy to maintain as long as there is proper drainage away from the house. And I believe you said there was.

My choice would be a semi-transparent stain or sealer applied after proper prep on the new lumber. Basically, just treat it like a normal deck and you can expect greater than average lifetime from a properly applied stain because its sheltered from the sun and weather to a large extent.

Areas of the deck that do get morning or evening sun will need attention sooner than more sun sheltered areas.
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Old 08-18-2014, 12:43 AM   #10
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Paint, stain, primer? for covered porch.


ok thanks. What do you mean by proper prep? Do I need to spray primer on the underside before I put it down?
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Old 08-18-2014, 08:08 AM   #11
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Paint, stain, primer? for covered porch.


There is no need to prime treated wood. Proper prep would be allowing it to dry to the correct moisture content ( 15% or below). Since it is new wood, cleaning shouldn't be necessary. Follow the manufacturer's directions for your stain.

Last edited by Red Dog; 08-18-2014 at 08:11 AM.
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Old 08-18-2014, 12:12 PM   #12
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Paint, stain, primer? for covered porch.


I checked the wood with a moisture meter and it was all around 5.5. Do I need to stain the bottom too or should I prime to help prevent future cupping?
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Old 08-18-2014, 10:08 PM   #13
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Paint, stain, primer? for covered porch.


There are advantages to sealing all sides of your decking boards before instillation. However, moisture content is not the only factor in determining whether new treated lumber is ready for stain or coating. Different brands/types of lumber go through different processes and some need time to leach salts and other chems before being ready to accept further treatment. Your lumber yard should have recommendations for a time frame for staining.

New lumber needs prep work just like old lumber. Whatever stain you pick will have guidelines for prep to be done on new wood. Generally these include washing, and often the use of a cleaner and/or mill glaze remover before staining.
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Old 08-19-2014, 12:55 AM   #14
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Paint, stain, primer? for covered porch.


Quote:
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There is no need to prime treated wood. Proper prep would be allowing it to dry to the correct moisture content ( 15% or below). Since it is new wood, cleaning shouldn't be necessary. Follow the manufacturer's directions for your stain.
That's what I said.
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Old 08-19-2014, 10:20 AM   #15
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Paint, stain, primer? for covered porch.


What if I want to do solid color? Would a solid color stain be better than paint?

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