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Latex Over Oil Help

 
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Old 06-10-2019, 10:34 AM   #1
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Latex Over Oil Help


Have a client who purchased a house where I assume the guy getting it ready for sale just painted over everything in sight with a spray gun. Problem is, the built ins were apparently done with oil based paint and some point and now every time she cleans, more paint peels off. Is there anything I can use to help her, or it a sand the whole thing down and start from scratch kind of thing? I am pretty sure I know the answer, but thought just in case, I would ask here.

Thanks in advance!
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Old 06-10-2019, 10:47 AM   #2
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Re: Latex Over Oil Help


Live with it or

Strip all of the wood work or

Replace all of the trim

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Old 06-10-2019, 12:16 PM   #3
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Re: Latex Over Oil Help


thanks. That's what I was afraid of (and did warn her about). It's the entire built ins that cover 2 whole walls of her living room. What a mess...
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Old 06-10-2019, 01:01 PM   #4
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Re: Latex Over Oil Help


From the sounds of it, she just needs to use a stronger cleaner...

Unless you know what the underlying finish is and whether you can get something to stick to it, safest is to sand it off.
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Old 06-10-2019, 06:46 PM   #5
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Re: Latex Over Oil Help


If it is coming off as easy as you suggest by cleaning then it may not be too horrible to remove. The trick will be to remove only the latex layer.
There is no magic method to lock down the peeling paint, so you only choice is to remove it.
Choices are: sand, chemically strip (several methods) or scrape.
I would start by scraping and sand what remains.

If scraping and sanding only remove say 50 - 75% of it then i would primer over what is left behind knowing it is stuck ok.
Hope this helps.
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Old 06-10-2019, 07:45 PM   #6
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Re: Latex Over Oil Help


Maybe I will have her try cleaning it with a heavy duty kitchen scrubbie and see where that gets her.
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Old 06-10-2019, 08:09 PM   #7
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Re: Latex Over Oil Help


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Maybe I will have her try cleaning it with a heavy duty kitchen scrubbie and see where that gets her.
Good idea , let the customer find out that it is almost impossible.

Peeling paint is like peeling wallpaper, even when itís easy itís a crappy job that takes longer than it should .

I learned a long time ago , that it will almost never come off as easy as the section you test .

I never give a firm price for removing paint or wallpaper, and warn the customer that it may be costly.
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Old 06-10-2019, 09:06 PM   #8
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Re: Latex Over Oil Help


At least it's not all the doors and trim. For just built-ins, scrape it all off with a scrubby, fingernail, whatever. Then scuff it up with sandpaper, and prime/paint.

If you want a shortcut that will hold up quite well, and since you're in virginia, find a McCormick paint store and get some of their Interlok paint. It's water-based, but bonds well to alkyd, so it'll save you a priming step.

Buying a quart or two of alkyd would work, as well. For old time's sake.

Last edited by MarkJames; 06-10-2019 at 09:18 PM.
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Old 06-10-2019, 09:27 PM   #9
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Re: Latex Over Oil Help


It's already peeling... that should tell you all you need to know...
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Old 06-10-2019, 09:37 PM   #10
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Re: Latex Over Oil Help


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It's already peeling... that should tell you all you need to know...
That it's appealing?
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Old 06-10-2019, 09:39 PM   #11
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Re: Latex Over Oil Help


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That it's appealing?
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Old 06-10-2019, 10:29 PM   #12
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Re: Latex Over Oil Help


You might try a squirt bottle with hot water and a little dish soap to soften the paint . Or a bucket and rag , scotch brite pads plastic putty knives etc..

Possibly stronger detergents like simple green , krud kutter, purple stuff , etc ..

As a last resort , paint stripper, I like citristrip for inside . Itís slower acting and ďMAY ď allow you to remove only the top layer of paint.

I like citristrip because it doesnít stink and cleans up with water and it works

Lots of elbow grease applied generously

Start with the gentler options and work up to the more aggressive

Getting the paint off without damaging the substrate is the trick

Remove all traces of stripper, if used. Sand ...sand ...sand ...

Prime , paint, collect check
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Old 06-11-2019, 01:56 AM   #13
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Re: Latex Over Oil Help


If you suspect the house is for sale or lease then "turtle shell" coat with Zinnsers B-I-N pigmented shellac, and top coat with high quality latex enamel. It won't stand up to heavy abuse, but won't be that easy to scrape off either. I've used this method where it wasn't practical or worth stripping off all the latex. It won't prevent ding damage on door frames and such, but for normal use areas not taking a lot of abuse it worked well.

Last edited by Caslon; 06-11-2019 at 01:59 AM.
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Old 06-11-2019, 03:14 AM   #14
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Re: Latex Over Oil Help


I assume they are flat doors. Shouldn't be too hard to machine sand them back to the last adhering coat, I've done that with the finishing mode of Festool orbital sanders. Enamel sands quite well once fully cured, even latex. Stick on 60 or 80 grit paper, then when all the loose stuff has been removed, smooth it off with 150. Then clean, prime and paint. You will not be able to tell it's ever been sanded.
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Old 06-12-2019, 01:05 AM   #15
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Re: Latex Over Oil Help


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I assume they are flat doors. Shouldn't be too hard to machine sand them back to the last adhering coat, I've done that with the finishing mode of Festool orbital sanders. Enamel sands quite well once fully cured, even latex. Stick on 60 or 80 grit paper, then when all the loose stuff has been removed, smooth it off with 150. Then clean, prime and paint. You will not be able to tell it's ever been sanded.
What about stripping off the frames that hold the "built ins" cabinet doors ? What about the shelves? Sounds like a project if you ask me (doing it your way). Not a problem if money is of no object. It often is.

Last edited by Caslon; 06-12-2019 at 01:12 AM.
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Old 06-12-2019, 01:42 AM   #16
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Re: Latex Over Oil Help


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What about stripping off the frames that hold the "built ins" cabinet doors ? What about the shelves? Sounds like a project if you ask me (doing it your way). Not a problem if money is of no object. It often is.
The reason I mentioned flat doors is because they're relatively quick to sand, compared to door frames and windows. Painting over peeling paint achieves nothing, better off leaving it as it is and doing it properly later, when they can afford to.


Hopefully the shelves inside the robes weren't sprayed, otherwise the might be cheaper just to be replaced.


This is the reason I tell all my clients and friends not to buy a freshly painted house. I see no point in painting a house for sale anyway, even if done properly. The new owner will likely want to change things to their own liking.

Last edited by The 3rd Coat; 06-12-2019 at 01:44 AM.
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Old 06-12-2019, 02:01 AM   #17
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Re: Latex Over Oil Help


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The reason I mentioned flat doors is because they're relatively quick to sand, compared to door frames and windows. Painting over peeling paint achieves nothing, better off leaving it as it is and doing it properly later, when they can afford to.


Hopefully the shelves inside the robes weren't sprayed, otherwise the might be cheaper just to be replaced.


The new owner will likely want to change things to their own liking.
Replacing shelves on cabinet built ins? You do that often, lol? Just kidding.
For the seller hiring me in this situation, it's not a rip-off paint job for me to "turtle shell" the previous crappy paint job. After all, why do all that work and cost to the owner (stripping it off and repainting) when whomever... might just get new built-ins installed, regardless of the paint issue. And yes, my method will stand up to the unit becoming a rental (IMO). Why strip entire doors that never get banged up???

There will be touch ups needed in the future, of course. Built-ins aren't like door casings in the amount of abuse they receive.

I in no way am saying that "turtle shelling" is equal to stripping off every last bit of latex. I'm saying I live in the real world where compromises happen in certain circumstances. With the good of all in mind, hopefully.

Last edited by Caslon; 06-12-2019 at 02:32 AM.
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Old 06-12-2019, 02:24 AM   #18
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Re: Latex Over Oil Help


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Replacing shelves on cabinet built ins? You do that often, lol? Just kidding.
If replacing is cheaper than repainting properly, then I recommend replacing, sure.


But I highly doubt that would be the case with shelves. should be another quick and simple job to sand properly, just like flat doors.

Last edited by The 3rd Coat; 06-12-2019 at 02:31 AM.
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Old 06-12-2019, 05:03 AM   #19
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Re: Latex Over Oil Help


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If replacing is cheaper than repainting properly, then I recommend replacing, sure.


But I highly doubt that would be the case with shelves. should be another quick and simple job to sand properly, just like flat doors.
Sanding inside cabinets? Sanding off latex from door faces that never get banged into? Get real here, bub.

Last edited by Caslon; 06-12-2019 at 05:15 AM.
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Old 06-12-2019, 06:29 AM   #20
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Re: Latex Over Oil Help


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Sanding inside cabinets? Sanding off latex from door faces that never get banged into? Get real here, bub.
I'm real, that's exactly what I've done when I've been in that situation.

I assume you'd put a sign on the doors: please do not scratch or bump into. Wish I'd thought of that.

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