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  1. 03-31-2016, 10:05 PM #1
    rboren
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    Vinyl ester hard to sand

    I am repairing where I had a few blisters under my boat.Found them while I was rebuilding my trailer naturally. I was advised to use vinyl ester to fill in the sanded out spots. What have you folks found to be the best way to sand this crap?? Wet sand or dry sand? I will be putting gel coat over the areas where it sat on bunks. Did get rid of the carpet so should be no more worries. Dang it's miserable to sand laying on your back. I know now why they want so much to fix this type of repair. At least I will know how.10 times harder to sand than polyester resins.
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  2. Scott S.
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    #2 04-01-2016, 11:13 AM
    It's better to put a filler in it, like micro bubbles, or a faring compound like R-Jay. Yeah, it's like sanding concrete.
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  3. rboren
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    #3 04-01-2016, 10:51 PM
    Got it sanded today.Arms may fall off tonight.Still need to put a little in some low spots,but for the most part it looks good.All the blisters were very small,but there were several and spread from one end of bunks to the other.About the size of a pencil eraser or smaller.Ground them out 3 times there size and filled them.My advice after sanding this stuff is use it sparingly.Really would not be real hard if you were not laying on your back.If I ever buy another boat I will ask if I can look under it real good and will get rid of the carpet fast.It took my Champion 15 yrs. to develop them but I have heard of 3 to 5 yr. old boats having them bad.
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  4. 95202DCX
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    #4 04-02-2016, 11:03 AM
    Glad you found them and getting them repaired...if I was going to do any kind of hull repair and re gel work, I would flip my hull and work down not up. It's worth the extra effort in the long run.
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  5. rboren
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    #5 04-02-2016, 11:52 PM
    If I had it to do over I would flip it.Mine were very small and could have went yrs after I got it off the wet carpet.Thing is,if you notice them on the trailer they will be bad and take major work to repair.Its just many times harder to do something like this laying on your back,arms over head and sanding your rearend off!Plus wearing a painters mask a goggles.Not fun in anyway!Do able but not for the less stubborn boat owner!
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  6. Ranchhand02
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    #6 04-11-2016, 01:54 PM
    I just got done fixing them on my boat. I had to sand it down to clean glass everywhere that it sat on the trailer. I used a belt sander to sand the vinyl ester resin. It took a while though.
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