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Old 01-22-2013, 03:08 PM   #1
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DO I need prime ?


My house has a wood patio which is red color. I want to change it to be white. I checked with the paint store and some online site all said I need to prime it first because I change the dark color to light color. The contractor I hire said I don't need prime. He will just put two coat on the patio, that will be better. He said the paint is much ore expensive than prime, put two coat of paint will be better than prime plus finish paint. I am confused here, please advice.

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Old 01-22-2013, 03:40 PM   #2
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DO I need prime ?


More than likely, yes.

Prime is there to ensure that your paintwork can have the fighting chance of outliving you.
There are brands that have primer mixed-in within the paint.

Hopefully, this should help you.

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Old 01-22-2013, 03:41 PM   #3
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DO I need prime ?


Do you know exactly what paint the painter is planning to use? Is he a professional painter or a jack of all trades sort of guy?
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Old 01-22-2013, 03:48 PM   #4
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DO I need prime ?


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Originally Posted by everylocaltrade View Post
More than likely, yes.

Prime is there to ensure that your paintwork can have the fighting chance of outliving you.
There are brands that have primer mixed-in within the paint.

Hopefully, this should help you.

NO there is not, never was, never will be. Paint is paint, primer is primer.
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Old 01-22-2013, 03:52 PM   #5
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DO I need prime ?


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Originally Posted by jli View Post
My house has a wood patio which is red color. I want to change it to be white. I checked with the paint store and some online site all said I need to prime it first because I change the dark color to light color. The contractor I hire said I don't need prime. He will just put two coat on the patio, that will be better. He said the paint is much ore expensive than prime, put two coat of paint will be better than prime plus finish paint. I am confused here, please advice.

is it painted?

ask to "contractor" to explain the logic in that statement
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Old 01-22-2013, 03:54 PM   #6
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DO I need prime ?


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Originally Posted by jli View Post
My house has a wood patio which is red color. I want to change it to be white. I checked with the paint store and some online site all said I need to prime it first because I change the dark color to light color. The contractor I hire said I don't need prime. He will just put two coat on the patio, that will be better. He said the paint is much ore expensive than prime, put two coat of paint will be better than prime plus finish paint. I am confused here, please advice.
You really don't need a primer for color change.However, is it an oil based stain on the deck now or is it painted red? It all depends on what you have there now and what he is planning on using on it.It may need priming.....impossible to know without more info.
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Old 01-22-2013, 03:55 PM   #7
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DO I need prime ?


Lets see now, a real paint store that only sells paint and deals with painting problums all day long suggested you use a primer, Hmm.
So is he going to pay for the paint and do the labor for free to add more coats when it does not work out?
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Old 01-22-2013, 04:05 PM   #8
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DO I need prime ?


As Brushjockey likes to say......"Primers are problem solvers." What is the problem in this case? If the surface is sound, i.e. not peeling too much, is clean then all you really need to do is a light sanding, clean off the dust, and apply 2 coats of your preferred paint. Now, if there is a PROBLEM such as excessive peeling, or the surface has a high gloss to it that will prevent bonding of the new paint, then you have a PROBLEM and need to use an appropriate primer.

Now, if this "patio" is more like a deck then you really have some prep issues. Decks really don't hold paint very well and you will need to strip the wood and apply a deck stain. That's a whole 'nother can of worms.
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Old 01-22-2013, 04:24 PM   #9
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DO I need prime ?


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"Primers are problem solvers." What is the problem in this case?
That's the right approach. Of course in that sense, paint is a problem solver too.

You don't really need a primer to make a color change. There are, however, some paints that look best with a color primer, for example a particular shade of gray will help some colors appear most true.

But that's not really what you're talking about. Primers do things like adhere to a surface better than paint will. But there are other ways to accomplish that sometimes too.

Do you always need to prime on top of a coat of paint? Well, have you ever read directions like "prime, then apply 2 coats of finish paint". Why don't you need to prime in between the coats of finish paint too?

If you're painting over old paint in good condition, it might need to be cleaned. It might need to be deglossed (sanded or using a liquid deglosser) or primed with a primer that adheres to shiny paint. Or in the case of mixing latex paint on top of oil or vice versa, it might need prep or priming.

So... more details.
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Old 01-22-2013, 05:54 PM   #10
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DO I need prime ?


Thanks for all reply. I learned a lot from your posting.
Here are some additional information. The patio is in very good sharp, it has beed painted less than three years ago. No lose paint at all. The only reason we want it paint is we want to change the color from dark red to pure white. The contractor is a licenced contractor, he got good review from our friend. He claimed that the paint he use is top of the line, acry-shield exterior paint. He said only the never painted surface need to be primed. He gives 5 year warranty for all his job.

He did mention about 2 coats, did 2 coats means you paint it once, wait it dry then paint another time or you just paint over and over to make sure all the old color been covered.
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Old 01-22-2013, 06:28 PM   #11
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DO I need prime ?


Sounds like he should know what he's doing.If it's only a question of changing the color no primer is needed.He will have to wait for the first coat to dry before painting another coat.Good luck.
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Old 01-22-2013, 06:32 PM   #12
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DO I need prime ?


Paint on a deck/patio = Not recommended !! Deck Enamel is another story.
Painting white on a walking surface = Not recommended !!
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Old 01-22-2013, 11:31 PM   #13
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DO I need prime ?


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Originally Posted by everylocaltrade View Post
More than likely, yes.

Prime is there to ensure that your paintwork can have the fighting chance of outliving you.
There are brands that have primer mixed-in within the paint.

Hopefully, this should help you.

I think you are right primer is must for the wall.
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Old 01-23-2013, 03:56 AM   #14
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DO I need prime ?


The question that has not been answered is, WHAT is being painted, walls, decks, ceilings, the dog, furniture, the cat, steps, rails, grill etc,etc.

If this so called "contractor" is going to paint the patio deck( ie, floor) white and gurantee it for 5 years, get it in writing, have you're lawyer approve it and have him paint away. Although a white deck is kind of silly IMO.

Last edited by chrisn; 01-23-2013 at 03:59 AM.
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Old 01-23-2013, 08:29 AM   #15
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DO I need prime ?


Preach it Chris! A 5 year warranty for painting a flat surface........might be this "contractor's" first AND last job.

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