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Author Topic: Heat gun dry for Rustoleum enamel to recoat?  (Read 973 times)

Online Dennis Toth

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Heat gun dry for Rustoleum enamel to recoat?
« on: October 21, 2020, 10:51:16 AM »
A question for the Rustoleum fans, can you use a light touch with a heat gun to warm (not hot) the surface a bit and get it to cure a little faster to allow recoat in less than 2 days? Seems once it gets dry to the touch (about 1 hour ish) you could warm the surface (maybe every 6 hrs ish) a bit to speed up the cure for recoat. Anyone do this? How soon can you recoat?

Best,    DennisT

Offline Ken Culbertson

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Re: Heat gun dry for Rustoleum enamel to recoat?
« Reply #1 on: October 21, 2020, 11:49:02 AM »
A question for the Rustoleum fans, can you use a light touch with a heat gun to warm (not hot) the surface a bit and get it to cure a little faster to allow recoat in less than 2 days? Seems once it gets dry to the touch (about 1 hour ish) you could warm the surface (maybe every 6 hrs ish) a bit to speed up the cure for recoat. Anyone do this? How soon can you recoat?

Best,    DennisT
I may be really far out on this one but I have been using Rustoleum now for 2 years.  As long as I am staying with the same color, I recoat as soon as it is dry to the touch and I do use light heat to get it there.  However, I never put on a heavy coat so it may not be "apples & oranges".  I let it set 2 days before masking.

Ken
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Offline Mike Alimov

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Re: Heat gun dry for Rustoleum enamel to recoat?
« Reply #2 on: October 21, 2020, 01:03:30 PM »
At room temperature, you can recoat in 24 hrs. I would not recommend heat to accelerate drying: it will trap solvents in the deeper layers, and I'm not sure what that will eventually lead to.
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Offline Ken Culbertson

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Re: Heat gun dry for Rustoleum enamel to recoat?
« Reply #3 on: October 21, 2020, 02:01:34 PM »
Rustoleum has a recoat window.  It is before 1 hour or after 24 or 48 depending on the source.  I have had a couple or "crackling" episodes where I viloated that window on the "after" side.  My recommendation is consecutive light coats about 15 minutes apart then wait the 48.  Overnight is not 24 hours!  I also prefer the satan to the gloss.  Easy to tell when it is ready for a second coat, patches better and looks the same after the clear.  Better colors too.

Ken
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Offline Brett Buck

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Re: Heat gun dry for Rustoleum enamel to recoat?
« Reply #4 on: October 21, 2020, 06:06:07 PM »
I also prefer the satan to the gloss.

   The devil is in the details.

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Offline Ken Culbertson

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Re: Heat gun dry for Rustoleum enamel to recoat?
« Reply #5 on: October 22, 2020, 05:55:23 AM »
   The devil is in the details.

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Ken
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Offline mccoy40

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Re: Heat gun dry for Rustoleum enamel to recoat?
« Reply #6 on: November 08, 2020, 07:26:51 AM »
Rustoleum has a recoat window.  It is before 1 hour or after 24 or 48 depending on the source.  I have had a couple or "crackling" episodes where I viloated that window on the "after" side.  My recommendation is consecutive light coats about 15 minutes apart then wait the 48.  Overnight is not 24 hours!  I also prefer the satan to the gloss.  Easy to tell when it is ready for a second coat, patches better and looks the same after the clear.  Better colors too.

Ken


Ken,

What "Clear" do you use over the Rustoleum? I've started using Rustoleum and I am very pleased with it so far but haven't used Clear over it.
Thanks for your help in advance

mccoy40


Offline Ken Culbertson

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Re: Heat gun dry for Rustoleum enamel to recoat?
« Reply #7 on: November 08, 2020, 08:03:43 AM »

Ken,

What "Clear" do you use over the Rustoleum? I've started using Rustoleum and I am very pleased with it so far but haven't used Clear over it.
Thanks for your help in advance

mccoy40
I am not the one to answer that.  I have used Rustoleum clear with success but you don't get that "New Car" look.  Others use automotive and 2k.  I have noticed that the Rustoleum clears do not have the same smell which means thay are probably not the same formulation hence, wait the 48.

Ken
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Offline Avaiojet

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Re: Heat gun dry for Rustoleum enamel to recoat?
« Reply #8 on: November 08, 2020, 08:16:19 AM »
A question for the Rustoleum fans, can you use a light touch with a heat gun to warm (not hot) the surface a bit and get it to cure a little faster to allow recoat in less than 2 days? Seems once it gets dry to the touch (about 1 hour ish) you could warm the surface (maybe every 6 hrs ish) a bit to speed up the cure for recoat. Anyone do this? How soon can you recoat?

Best,    DennisT

Den,

Atop using Rustoleum. Use the other brand.

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Online Dave Moritz

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Re: Heat gun dry for Rustoleum enamel to recoat?
« Reply #9 on: November 23, 2020, 05:16:02 PM »
On top of Rustoleum (and Krylon), Minwax oil-based clear gloss polyurethane works for me. I'm not particular about the fact that it turns slightly yellow given the colors I apply underneath.

Dave Mo...

Offline Skip Chernoff

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Re: Heat gun dry for Rustoleum enamel to recoat?
« Reply #10 on: December 24, 2020, 08:15:02 AM »
I'm a big Rustoleum Protective Gloss Enamel fan. If you get the first coat "right" you don't have to recoat as it covers beautifully in one coat. If you need to recoat,wait until the first coat is totally cured. I'd leave it sit a week. I have never used a clear coat over this product,never felt it was necessary as the gloss is very nice from the can..Another trick is to wait for a nice warm day (75 to 85 degrees) with low humidity and paint outside in sunlight.  If you let your painted model sit for a couple of weeks to cure it will be absolutely fuel proof. Best of luck,PhillySkip


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