Forums › General Discussion › Fiberglass Grinding in Small Areas

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    • #67035
      Paul Lefebvre
      Participant

      Does anyone have any suggestions for grinding fiberglass in tight quarters.
      I am doing some grinding in the bottom aft end of the bilge, and it is too
      narrow to use my 4′ grinder. I see 3M makes a product called Roloc with 2″ –
      24 grit disks that I could use on my die grinder. Has anyone used these or
      have a better idea ( Tor – you must be the expert on fiberglass grinding by
      now). Will some type of wire wheel work.

      Thanks,

      Paul


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    • #70061
      RichCarter
      Participant

      Paul
      I’m not sure how tight an area you have nor how large. I’ve used a rotary rasp before to trim around holes. They come in different shapes and sizes.

      http://www.harborfreight.com/cpi/ctaf/displayitem.taf?Itemnumber=35453

      Cutting tools don’t hold up very well when used on fiberglass, so if you have a larger area, you may be better off with a sanding tool.
      http://www.harborfreight.com/cpi/ctaf/displayitem.taf?Itemnumber=96785
      http://www.harborfreight.com/cpi/ctaf/displayitem.taf?Itemnumber=95469
      BTW: The starbrite attachment on either of the above is great for polishing stainless.

      Rich Carter


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    • #70066
      sumocean
      Participant

      Paul

      While we’re in the Harbor Freight catalog I’ve used this:
      http://www.harborfreight.com/cpi/ctaf/displayitem.taf?Itemnumber=94029 it’s
      a small dust collector that I can keep in the cockpit while working down
      below. It doesn’t catch it all when the grinder gets going, but it gets
      most of it. I think it will be a big help when refinishing the woodwork in
      the cabin also. I use the collection ends that I use on my large collector
      in the shop at home. Big funnels or wide flat collectors depending on what
      I need to catch.

      Linus


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    • #70093
      Paul Lefebvre
      Participant

      Rich and Linus

      Thanks for the ideas. I ended up locating some of those small discs to use
      on a die grider, and they do the job.

      As far as dust goes, I am quickly finding that sealing off the area 100 %
      with plastic and duct tape may be the only way to stop getting it
      everywhere. It is amazing how fast the dust ends up throughout the boat (
      Rich – as I think you mentioed this when you had your V-berth re-inforced.)

      Paul


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