What is the effect of using interior paint on exterior wood?

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Old 11-04-15, 12:27 AM
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What is the effect of using interior paint on exterior wood?

I am just having a real hard time finding reliable pros in South Florida.

Last time I had a paint job done, I hired someone off Craigslist, who had a portfolio showing pictures of work he did for Luis Vuitton stores, Ferragamo, Bloomingdales...very impressive. Yet he would show up and paint for 3 hours, said he needs to go on a coffee break and disappear for 4 hours. When he came back he was way behind on a one day job. He asked me if he could continue to paint late into the night and sleep on the floor over the tarp...I was like...you serious? You did work for Luis Vuitton who sells leather purses for $2000 and you want to sleep on my floor? I don't hire from CL anymore this time I would go with someone recommended by people I know.

So I have another interior painting job, and my accountant highly recommend this guy. He has a web site, he has a list of clients that included Diplomat hotel, Venetian Pool in Miami, children's museums, does furniture restoration, and in general talking to him he is knowledgeable, and he says he doesn't want to use Home Depot paint he uses Sherwin Williams and only top quality products, fine, I want quality. Now the paint job is for two interior rooms. I have already moved EVERYTHING off the rooms so there is nothing interfering, I also removed all electrical cover plates because I hate when the roll right over them. The paint job also include a small wood shed I put up two months ago that I have been meaning to paint myself but weather has not been friendly and every time I tried the clouds come.

The understanding is that for interior he would apply two coats. For the shed he would apply one coat of oil based primer, then two coats of paint, and the trim in white. He went off and bought his paint. I don't hang around I don't like to watch over people's shoulders so I went and did other things.

The two rooms are about 12x12 each, with an 8' ceiling. Each room a different color.

He got one gallon can of each color.

In one of the rooms, the original color was like a light blue. It is a Glidden paint job and the color name was "Wave Crest" which is very light. The new paint color is called "powder sand". After he finished, I can see the blue bleeding through here and there. He said he already put up two coats, and the problem is the paint of this color has a lot of "clear pigment". He said if he had known this would happen, he would have primed the room with white first, then do one coat of this powder sand color. My question is, is 1 gallon enough to coat a 12x12x8 room (It has two windows and three doors) with two coats? Did he really do two coats?

Next I went to look at the wood shed. I posted about painting the wood shed and the recommendation I got here was to use a good oil based primer. I saw that he painted about 90% of it already. But I don't see any white primer. So when he went back to paint the white trim for the shed, I asked him about the primer. He said he did put primer but he ran out, I said should I go get a new bucket of primer while you work? He said no, he had primer in his truck, just that it dried up. I said I thought you bought new primer from Sherwin Williams? He said no he had a 5 gallon bucket that he wanted to use because if he didn't it'll go bad, and now it's dried up. But he said no worries, he is using good paint and two coats of good paint is "better than primer". I said no, this is not what we agreed. We agreed on an oil based primer. Not about to go bad dried up primer on some areas and two coats of paint on some areas. I offered to go and pay for new primer, he said not necessary, he went and used paint thinner to reactivate his dried up primer and used it. When he finished I paid him.

He left me a few cans of left over paint. One can for each of the two rooms.

He also left me the can of shed paint. The forth can he left me was the white semi-gloss paint he used for the baseboards.

I called him and said is there a can of white paint for the exterior shed trim laying around somewhere. He said no, he simply used the same interior paint for baseboards. I said that can is labeled FOR INTERIOR USE ONLY :NO NO NO:. He said no, it's Sherwin Williams, top shelf stuff, interior, exterior, doesn't matter, trust me. It's the same thing they just label it this way to make people buy more products.

OK...so am I looking at having to redo the shed painting all over? I honestly can't tell what he did or didn't do. I don't know if the entire shed was primed, or if it was, if he used a good oil based primer, or some left over dried up bad primer. I don't know if he might have painted on raw wood without the primer. what I do know is he used an interior sem-gloss paint on the exterior trim.

Should I leave it be?

Or should I repaint all the exterior trims with flat exterior white paint over what he did?

Or should I do something else?
 
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Old 11-04-15, 02:18 AM
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Interior paint colors will fade pretty bad from UV. Probably less adhesion and durability as well.

Also sounds like ur guy is a pathological liar.
 
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Old 11-04-15, 03:32 AM
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I have never ever heard of clear pigment! Pigment is what gives the paint it's color. Varnish is clear because it has no pigment. Some paints/colors cover better than others. Sometimes it's beneficial to use a primer IF there is a big color change. At any rate, a pro painter would/should not leave the job until there was full coverage unless there was a discussion before hand that the requested number of coats might not cover the wall. There have been times where I've applied an extra [unpaid] coat of paint to get full coverage. My reputation is worth more than a little loss of profit!

Fla is unique in that the interior paints will hold up somewhat on the exterior. They will fade quicker and will mildew quicker! I often use primers that I have on hand instead of buying new BUT that assumes the primer is fit to be used. Older oil base primer might need to be thinned slightly and strained but it's hard to say what condition that primer was in I'd leave the shed paint job like it is for now but plan on repainting it in a few years. Some paints are for interior/exterior but it will state that on the label!

I assume it's too late to stop payment on the check ?? The checkbook is always the customer's best defense to insure a job is done right!
 
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