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Thread: foam coating


  1. #1

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    foam coating

    OK guys help an old man out what is the brush/spray coating that is sold to be a final surface prep on foam. Using this product gives a smooth, durable, and I think paintable surface. I've built some wing tip floats for a PBY and don't want to glass them.

  2. #2
    jdeluyck's Avatar
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    RE: foam coating

    Try Liquid Sheet II from wowplanes.com

    Jerry DeLuyck
    GetStencils.com - Chief Cook and Bottle Washer

  3. #3
    speedracerntrixie's Avatar
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    RE: foam coating

    Roger, you really just can't beat glassing. Done correctly it would be less work then you think.

  4. #4

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    RE: foam coating


    ORIGINAL: speedracerntrixie

    *Roger, you really just can't beat glassing. Done correctly it would be less work then you think.

    That is what Roger and I are afraid of!
    Jim Branaum AMA 1428
    Sig Brotherhood 30 Sig Kadet Brotherhood 99
    P-51 Brotherhood 53 P-38 Brotherhood 18 Club Saito 806
    Spitfire Brotherhood 204 P-40 Brotherhood 95

  5. #5
    speedracerntrixie's Avatar
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    RE: foam coating

    Jim, I know that most guys are hesitant to break out the epoxy resin and glass cloth but once some simple skills are learned it will open up a whole new level to your modeling. For the job at hand all that one would need to do is finish sand the floats and cover them with some 2 or 3 oz fiberglass cloth. What I tell people is to think about it the same as you would if you were using Monokote. Take a sheet of cloth and lay it on the top of the float, saturate with as little amount of epoxy resin as possible. Trim any excess away with a pair of scissors and the wrap around the sides. To do that you will want to radius the corners a quarter inch or so. Next day put on a side then the other side and eventually the bottom. It takes a little time but the end result is well worth it. Once you get comfortable doing things like this you will be looking for areas in your builds to incorporate glasswork. A glassed surface is easier to paint and had great ding resistance.

  6. #6
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    RE: foam coating

    A couple tips that made dealing with glass easy for me were; lay down a large piece of cardboard to cut the glass on. You will be amazed at how well an xacto knife will cut glass with the cardboard backing. The next one is baby powder. I always hated getting sticky goopy hands and then the stringy mess as I worked. A douse of baby powder and rubbing my (gloved) hands together cleans them right up and I can keep working.

    The last and maybe most important part, get some good epoxy that you are satisfied will work the way you want. Personally I have had excellent results with zero problems using West Systems. Nothing sucks more than to get a part all to shape and have the epoxy not kick and make a glommy mess.
    A guy who used to live on this site and now is rarely here due to the "upgrade".
    Most likely fading away till the My Forums is fixed. Too bad.

  7. #7

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    RE: foam coating

    Thanks fellas-I've been fiberglassing my planes for several years and the hints you gave are great thanks for sharing. I've ordered some of the Liquid sheeting II-I'm finishing up on a 6' PBM scratch build with electrics from Dymond USA and wanted to try this product to cover the nechelles and gloats. Good flyin'
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  8. #8
    chopper man's Avatar
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    I am looking at finishing an epo foam plane with liquid sheeting. Any thoughts from those that have used it. Pictures would be great if easily available. Thanks

    Gene
    Boy I wish I hadn't done that!!


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