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Old 04-05-2011, 11:32 AM   #1
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should I prime first?


Iíve got a small shed with T-111 plywood siding that was originally painted without primer and a single coat of cheap acrylic-latex paint less than two years ago. It still looks just fine. But since Iím the middle of a much larger painting job and using the same color but much higher quality acrylic paint, I figure it wouldnít be that much more work to give the shed a second coat.



Should I use primer over the first coat?


If so, would it be okay to use an oil based-primer, of which I have plenty left over from a previous job? Or would I be better off with a water-based primer?


Thanks.

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Old 04-05-2011, 12:48 PM   #2
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should I prime first?


I probably would not use a primer, since you're painting it a similar color.

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Old 04-05-2011, 04:44 PM   #3
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should I prime first?


You will want to prime any raw wood. Always prime bare surfaces, as primer helps promote adhesion of your paint
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Old 04-05-2011, 04:52 PM   #4
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should I prime first?


Hi guys,

I'm planning on painting my bathroom ceiling with Benjamin Moore Ceiling paint; however, the current paint is a semigloss.

What is the best way of doing this? I'm wondering whether or not I need to prime first?

Thank you,
Bob
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Old 04-05-2011, 05:42 PM   #5
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should I prime first?


Quote:
Originally Posted by Bob Guercio View Post
Hi guys,

I'm planning on painting my bathroom ceiling with Benjamin Moore Ceiling paint; however, the current paint is a semigloss.

What is the best way of doing this? I'm wondering whether or not I need to prime first?

Thank you,
Bob
Hey Bob, only if you did any spot patching should you prime. Give it a light sanding, dust it off and go.
PS When you say ceiling paint in your bathroom, what type of ceiling paint, finish, are you talking about? Is it spec'd for bathrooms?

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Old 04-05-2011, 07:24 PM   #6
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should I prime first?


Hijacked! Sounds like I'm ok not using primer though. Thanks DIY Diva.
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Old 04-05-2011, 07:45 PM   #7
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should I prime first?


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Originally Posted by trw88 View Post
Hijacked! Sounds like I'm ok not using primer though. Thanks DIY Diva.
If you don't prime any raw wood, bare surface the paint will not adhere and fail. It will peel and flake off.
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Old 04-05-2011, 07:56 PM   #8
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should I prime first?


housepaintingny...Right. But this isn't raw wood. The shed as already been painted. I'm just adding a second coat.
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Old 04-05-2011, 07:59 PM   #9
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should I prime first?


Quote:
Originally Posted by trw88 View Post
Iíve got a small shed with T-111 plywood siding that was originally painted without primer and a single coat of cheap acrylic-latex paint less than two years ago. It still looks just fine. But since Iím the middle of a much larger painting job and using the same color but much higher quality acrylic paint, I figure it wouldnít be that much more work to give the shed a second coat.



Should I use primer over the first coat?


If so, would it be okay to use an oil based-primer, of which I have plenty left over from a previous job? Or would I be better off with a water-based primer?


Thanks.
Sorry you had your post hijacked TRW. You don't need to prime any already painted surface. Just prepare the surface, wash, sand, whatever it needs and then paint. If the surface was old or extremely degraded, a primer coat is a good base for the next coat but short of that your fine.
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Old 04-05-2011, 08:03 PM   #10
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should I prime first?


Quote:
Originally Posted by trw88 View Post
housepaintingny...Right. But this isn't raw wood. The shed as already been painted. I'm just adding a second coat.
I understand that. I was think that the shed may have dome loose/flaking paint that would need to be scraped off and those spots would then be primed.
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Old 04-05-2011, 08:53 PM   #11
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should I prime first?


housepaintingny....Ohhhhh...Now I get it. The paint is actually still in excellent condition. A strong argument could be made that I'm crazy to put on a second coat at this point. But I'm in the middle of a bigger painting project with the same color and I'll have extra left over paint. So, I figure I may as well spend an extra hour on the shed doing it right.

Thanks jsheridan
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Old 04-06-2011, 08:25 PM   #12
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should I prime first?


Sand, prime, paint, paint.

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