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Open Roads Forum  >  Class A Motorhomes

 > RMP3 failure

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kenj1

Benbrook,Texas

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Posted: 01/11/12 02:41pm Link  |  Print  |  Notify Moderator

Went out to storage unit today.Rear cap was coated w/RMP3 approx 3 mo. ago and today it is peeling off all over the cap.Nowhere else on the coach could I see any peeling.
The end cap is only part exposed to sun and weather, all else is under cover.
Comments?

P3TC

Glendale Springs, NC

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Posted: 01/11/12 02:53pm Link  |  Print  |  Notify Moderator

Was the rear cap prepped like the rest of the coach?

After 7 mos, I have no problems anywhere even in the Fl sun for 3 mos.

Bill


1998 Monaco Diplomat


ernestfortier

Palmdale, Calif.

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Posted: 01/11/12 03:42pm Link  |  Print  |  Notify Moderator

Here in Southern California mine has been sitting in the sun for almost one year. I put 4 coats on it when I coated it. Did you prep it right? I used Bar Keepers Friend but found that I had to follow up with a regular automotive soap wash before I could coat it with RPM3. The Bar Keepers Friend leaves a film behind that you have to remove.


Ernie Fortier
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cvbdsl

Winchester, ON

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Posted: 01/11/12 04:55pm Link  |  Print  |  Notify Moderator

Did mine in August, sitting out in full sunshine and the last couple of months in freezing rain, snow etc. Still looks great, no peeling cracking. Even the vinyl bumpers still shine.
This is the first I've heard of serious problems especially in just three months.

Anything special about your cap - has it been repaired/repainted etc?

Chris


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nelson

Clio,Mi USA

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Posted: 01/11/12 05:04pm Link  |  Print  |  Notify Moderator

Did mine in Sep, Still looks good all way round


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Bird Freak

Calhoun, Ga.

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Posted: 01/11/12 05:33pm Link  |  Print  |  Notify Moderator

7 months on mine also. No problems.


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jetboat4

wausau

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Posted: 01/11/12 05:41pm Link  |  Print  |  Notify Moderator

I have not done my rig yet but it is peeling all over on my boat - only where it is touched regularly though - the exterior of the boat is still like I put it on yesterday.


1999 Fleetwood Southwind 35S F-53 V-10 Triton with Banks

JimGo

Hawaii

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Posted: 01/11/12 06:13pm Link  |  Print  |  Notify Moderator

I'm glad this topic has come up again. This is next on my list except with ZEP as RMP isn't available except in industrial size anymore at Lowes.

Would someone please post ALL the steps used and materials to make this project successful.

Thanks

pkunk

Questa, NM

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Posted: 01/11/12 07:43pm Link  |  Print  |  Notify Moderator

I did my whole MH 7-8 months ago and it is subject to intense NM sun. Still shines as good as the day we did it. I only put 4 coats on, and think when I get someplace warm I'll do (at least) the front cap again.


1999 Coachman Mirada 34 ft.V10-F53 chassis
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JcoFS3500

East Central OK

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Posted: 01/11/12 08:19pm Link  |  Print  |  Notify Moderator

kenj1 wrote:

Went out to storage unit today.Rear cap was coated w/RMP3 approx 3 mo. ago and today it is peeling off all over the cap.Nowhere else on the coach could I see any peeling.
The end cap is only part exposed to sun and weather, all else is under cover.
Comments?


Don't know how you prepped your coach but one question comes to mind - had the back of your coach gotten splattered from an oil or diesel leak? If so, it's possible that there was still residue that kept the RMP from adhering correctly.


'93 Jayco FS3500 TT behind a '92 Dodge D250 powered by 5.9L Cummins

'94 Vogue Prima Vista powered by 8.3L Cummins w/ 6spd Allison

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