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Paint Shop Tech. Talk about paint removers, thinners, primers and application techniques plus related topics. Rust removal, paint substitutes and color matching.

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Rustoleum & humidity


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  #1  
Old 06-30-2006, 08:26 AM
Kevin Marshall Kevin Marshall is offline
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Default Rustoleum & humidity

Im currently painting some engine parts that were cleaned to bare metal, primed, & sprayed with rustoleum hunter green (spray can) resulting in an excellent hard finish. After about 2 days I gave it a 2nd coat only to my surprise & aggravation the surface started producing some very fine wrinkles in a swirling type pattern. Ive let it cure a couple days, fine sanded & gave it another shot with the same wrinkle effect. Is this the results from humidity which is now present in my area, & does all this paint need to be restripped & started over, or let it cure in dryer air & try again. Any help appreciated.
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Old 06-30-2006, 09:13 AM
Jim Tremble Jim Tremble is offline
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Default Re: Rustoleum & humidity

Read the directions on the can. There is a specific recoat time for that paint.
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Old 06-30-2006, 07:39 PM
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WildIrishman52 WildIrishman52 is offline
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Default Re: Rustoleum & humidity

Did the same thing a few years ago with True Value spray paint. The solvents in the paint attack the first coat unless there is sufficient curing time. As said in a previous post, read the directions on re-coating.. Good luck!
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Old 07-02-2006, 09:47 PM
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Jim McIntyre Jim McIntyre is offline
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Default Re: Rustoleum & humidity

There are two windows of opportunity to recoat. The first is within a few hours of the first coat - before it has cured.

The second is after the first coat has FULLY cured. That takes longer in cool temps, or with high humidity. The can says 48 hours, but sometimes the first coat needs more time. I generally try to get some heat on the first coat to accelerate the cure time - put it in the direct sun, set it near an electric heater, etc.
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Old 07-21-2006, 04:27 PM
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John Davis John Davis is offline
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Talking Re: Rustoleum & humidity

It has been a while sense I have used rustoleums paints but if I remember correctly rustoleum paints are oil base. Oil base paints are a pain in the but to use if you are trying to get a real nice finish. I have found that automotive paints are easyer to use, dry faster and give you a much better finish, but there is a big price jump when you go to automotive paints.

John
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Old 07-21-2006, 05:15 PM
HoMade HoMade is offline
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Default Re: Rustoleum & humidity

Over the last couple of days, I just sprayed 2 coats of Rustoleum on an old Goodyear/Columbia Hi-Way Patrol bicycle separated by a drying time of a bit under 24 hours. It has been in the high 80s and low 90s with high humidity all week and I have had no problems.
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