Has anyone used ProMar 200 by Sherwin Williams?

jazzygardenerOctober 26, 2007

I painted my bathroom 6 months ago with ProMar 200 by Sherwin Williams and the paint is still running down the walls. I'm not kidding there are paint streaks on the walls after the shower has been used.I can wipe the paint off the wall with a damp cloth. I cleaned and primed the bathroom walls before I painted to make sure I got a good finish. I've painted every room in our house and have never had this problem before. Has anyone else had this problem? I'm totally disappointed with Sherwin Williams ProMar 200 and will never buy this product again.

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It sounds like the paint never dried. It's not the paint....ProMar 200 is a quality paint. If the paint has never dried and then you shower and moisture ends up sitting on paint that isn't dry that is what happens. When you repaint, use the fan in the bathroom, don't shower for a few days...whatever you have to do to let that paint completely dry. Also, showering with the door open for the first month can help as well. Paint takes about that long to fully cure.

    Bookmark   October 26, 2007 at 7:21PM
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Brushworks Spectacular Finishes

It's obviously only happening in the bathroom. Right?

Your problem is called, surfactant leaching.

Here is a link that might be useful: Leaching

    Bookmark   October 26, 2007 at 9:06PM
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SW makes some very nice paints...BUT...

ProMar 200 is in their "low-tier" contractor line.
* It's just fine for apartments & lower-priority places, but there's better choices out there.
* The "solids-volume %" is only average at best, & are of a lower-quality.
* This (& similiar lines) paint is also hard to match in scanners because the film typically isn't as opaque as better lines.
* When painted over a black stripe, better paints show much less black than lower-tier lines.

>>> These points are SOME of the reason you're having trouble. The main issue is as Michael outlines.
>>> BTW...What sheen/color did you use??


    Bookmark   October 27, 2007 at 12:54AM
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She said she was wiping actual paint off the walls though....that's more than leaching, unless she actually thinks it looks like paint running off the walls and it's not.

    Bookmark   October 27, 2007 at 1:43AM
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Hmmmm...some pigment may be coming off with the surfactants present in the "leaching".

How long after painting was done did the 1st hot-shower happen?


    Bookmark   October 27, 2007 at 2:03AM
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Lori A. Sawaya

I think it's that Water Whitening business. I've seen it a couple times in person (my own bathroom is what started my quest for info) and several subsequent posts about it on forums.

I have noticed that the cheaper paints can let go of color along with moisture and surfacants. The better grades/brands recover from the water whitening quicker and more gracefully. And, they have a better chance of releasing the surfacants to the point of the problem completely going away with time. I'm sure the PQI guy could explain, dunno.

It can look like the walls are bleeding and people's first inclination is to wipe them down. I kinda think the best thing to do is leave it alone. Make sure the bathroom is well ventilated, let it dry out naturally each time and just wait it out til one day it just goes away.

YaBB God
Re:Here's One for ya: Water spotting, Weeping
« Reply #1 on: April 05, 2006, 05:54:19 PM » Quote

My first thought was that the paint film had not yet fully cured, however, I forwarded your question to John Stauffer, technical director over at The Rohm and Hass Paint Quality Institute
Here is the PQI's reply:

"Water-whitening" can sometimes happen with latex-based coatings. Enough moisture makes its way into the coating film to swell the polymer particles, which normally are not 100% fused even though the pant has dried, resulting in micro-gaps which scatter light, thus causing the whiteness. It of course is not noticeable with white paints, but it can be with clear latex films, and with medium and dark colors. Tinted paints are generally made with more surfactants (soaps) than are white paints, which increases the tendency, because the surfactants increase water absorbancy by the dried paint. When the streaks dry out, the light scattering drops off, and may disappear altogether. As the shower is used over time, and condensation extracts the surfactants from the paint, whitening tendency will decrease."

Just the nature of the acrylic beast..Makes sense to me.... "

    Bookmark   October 27, 2007 at 2:33AM
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Brushworks Spectacular Finishes


Use bathroom paint. PermaWhite, not ProMar200.


    Bookmark   October 27, 2007 at 6:52AM
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Hi, Thanks for all the follow-ups. The color I used is called "surfer". It's a med teal color. I was having problems getting the paint to dry when I started. I put fans in the bathroom and had the door and window open for ventilation but, nothing seemed to work. I called Sherwin Williams twice and all they told me was that it would take over 48 hours to dry. I've painted this bathroom before but, never had this problem. The paint color really is running down the wall. Every morning there's teal blue droplets of paint in the shower and sink. If I wipe the wall down with a damp cloth the paint color is on the cloth. I did some stenciling around the top of the room and the stenciled on paint has held up fine it's just the Promar 200 that's running. What's a better quality bathroom paint, something other than SW. What can I do? Do I need to re-prime the walls and start over?

    Bookmark   October 27, 2007 at 9:24AM
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Brushworks Spectacular Finishes

Sherwin Williams offers a bathroom paint.


Here is a link that might be useful: Bath Paint

    Bookmark   October 27, 2007 at 9:43AM
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Aura Bath&Spa by Benjamin Moore will take care of your problem.

    Bookmark   June 10, 2009 at 8:39PM
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