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Build Your Own RVHauler - Step 6 - Clean Up Frame, and Exhaust
December 20, 2012
6:27 am
admin
Calgary, Alberta, Canada
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April 2, 2012
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The frame starts to look pretty bare!  We get Jack and Danielle's truck down to two frame rails extending out behind the shack.  Exhaust is removed back to underneath the sleeper and we start to prepare the frame for undercoating and box liner.

The sparks continue to fly in this step.

 

 

December 21, 2012
11:23 pm
coal
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December 21, 2012
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Is there a benefit too using boxliner material on the frame as opposed to primer and paint?  

December 21, 2012
11:47 pm
admin
Calgary, Alberta, Canada
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I have compared both boxliner and paint over time.  I have found that once there is some rust on the frame, no matter how hard you try to take it down to bare metal and prime/paint, some rust comes back.  Sometimes the rust shows in spots as soon as a year.  Also, imperfections in the frame (bumps and marks) really stick out.

 

The box liner is TOUGH.  It is already stipply (bumpy) so any imperfections in the steel are hidden.  Also, it withstands road rash, scratches, etc. I have had truck frames coated for a couple years and it still looks good.

 

Ggg

December 22, 2012
2:38 pm
coal
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December 21, 2012
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Frames are a problem, they come from the factory with very little paint and no primer in most cases.  If you catch them early, you can sandblast and prime paint and have a great looking frame.  But hardly anyone does that.  We used to do the frames under warranty many years ago, truck would be six months old, warranty would pay for blast prime and paint, about 1400.00 prob ten years ago now.  They have since tightened up the warranty programs and halved the amount they want to pay, so not too many frames getting re done now.

 

 

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