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Thread: Silicone Spray

  1. #1
    Member Skeetrock's Avatar
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    Silicone Spray

    Would a good can of silicon spray (3 or 4 for that matter) not work for repelling water off a ripstop nylon tarp?

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    olddog's Avatar
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    Flatbill, I just emptied 2 cans of the orange top cans from WM on a new tarp today with unsatisfactory results. The fabric isn't ripstop, really not sure what it is but it's very light. After 2 cans water spray was still misting thru. I'll be picking up some mineral spirits tomorrow to make some DIY sil coating. Maybe someone else has had better results on ripstop and will respond.
    Most of us end up poorer here but richer for being here. Olddog, Fulltime hammocker, 365 nights a year.

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    Member Skeetrock's Avatar
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    I tried mineral spirits/silicone today and it was a nightmare... The silicone solidified so fast after we got it sirred up that we couldnt apply it at all... it was like painting with rubber. Took around 3 hours to remove the gunks of silicone off my tarp! it was awful... I used 2 quarts of mineral spirits and 1 tube of silicone. It looked good while we were mixing it, but almost as soon as we stopped mixing it (with a drill and a modified coat hanger) it turned to one huge ball of rubbery silicone. had to run and get something stronger to try to stir it up with by hand, added the rest of my mineral spirits and it still didnt thin back down to anything to work with... 15 bucks down the drain!

    I think I'm just break down and buy some silnylon... :/

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    olddog's Avatar
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    I better go back over some of the DIY sil post before starting mine. Was it a large tube of silicon?
    Most of us end up poorer here but richer for being here. Olddog, Fulltime hammocker, 365 nights a year.

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    Member Skeetrock's Avatar
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    9.8oz tube of silicone. And another thing, the mineral spirits I used was white, like milk! I watch cheap *******s diy sil video and noticed his was clear. Wonder if i had some crappy mineral spirits... It was some kind of "green odorless" mineral spirits (green as an enviromentally friendly).

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    Senior Member G.L.P.'s Avatar
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    why not just buy some Silnylon 2nds and make a tarp out the the right fabric...
    it will save you a lot of time and money .. it will cost you less then $55 to make

    the spray on stuff you get a wally world will not get the job done..
    the mix that your talking about will work but it will add weight to your tarp and it's a pain to do and get right

    how much have you spent on trying to waterproof your ripstop tarp?
    It puts the Underquilt on it's hammock ... It does this whenever it gets cold

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    Senior Member timabababaluka's Avatar
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    Quote Originally Posted by Flatbill View Post
    It was some kind of "green odorless" mineral spirits (green as an enviromentally friendly).
    Yeah! I bought the "green" version denatured alcohol for the stoves I made. Bright yellow flames rather than blue (which is kind of cool cause you can see them), but seemed to take a lot longer to get a boil (which is kind of NOT cool (or maybe too cool depending on how you look at it )). Point is: the regular and the green seem to be two different creatures--I'm going back to regular denatured alcohol... you might try regular mineral spirits before you throw in the towel.
    You're gonna need a bigger hammock

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    in it for the naps oldgringo's Avatar
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    I have used the silicone/mineral spirits method for seam sealing with good results, as have many others. This is pure speculation, but the high ambient temperatures we've been experiencing might have shortened your working time. Too, you may be on to something with your green ms. Don't give up.
    Dave

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    Senior Member gargoyle's Avatar
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    I gotta say it musta been your choice of mineral spirits.
    Temps will obviously speed up the drying/evaporating process, but I've done diy sil in 90* temps without problems.
    You said the mix turned "milky"...I've never had that with pure (regular) mineral spirits. My mix stays clear.
    Sorry to hear troubles.
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    Quote Originally Posted by G.L.P. View Post
    why not just buy some Silnylon 2nds and make a tarp out the the right fabric...
    it will save you a lot of time and money .. it will cost you less then $55 to make

    the spray on stuff you get a wally world will not get the job done..
    the mix that your talking about will work but it will add weight to your tarp and it's a pain to do and get right

    how much have you spent on trying to waterproof your ripstop tarp?
    $10 so far for spray, $10 for fabric at WM. As it is now my tarp weighs 10.3 oz
    Attached Images Attached Images
    Most of us end up poorer here but richer for being here. Olddog, Fulltime hammocker, 365 nights a year.

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