mapping lines

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  • February 6, 2012 at 4:25 pm #35753

    iv got a body shop in the uk that iv been running for over 10 years and need some help on something iv never seen before.
    iv joined a fibreglass panel together and now its painted you can see the line … iv taken it back re fibreglassed the join sanded and filled with u-pol 7 and maxmayer primer over top after sanding with 80 grit. in-between ever stage we have heat dried it. now it is painted it looks ok but once heat is applied on the panel the line of the join shows up but not the line of the filler that cover a more wider aria ??? do you have any idea what this can be. we have taken the filler and glass fibre out of the join twice now heat dried all stages and its still doing it.

    please help.

    Simon :compsmash

    February 7, 2012 at 6:27 am #35768

    What are you using for your glass repair? Fiberglass or SMC resin, or the 2 part repair adhesive like from the 3M Automix line?

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