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Thread: What to stick this with?

  1. #11

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    Most plastics are hard to stick with sealant/adhesive but not impossible, I would clean all the old stuff off, then use something like panel wipe to clean inside (if you can get in to it) & out, then lightly sand the whole area & use the sika marine sealant 291i or tiger seal to stick it.

    Neither of these has let me down yet!

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  2. #12

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    First you have to identify what it is your sticking.
    Thetford cassettes are PP =polypropylene. Just get an
    adhesive that says "suitable for PP." Loctite make
    a plastic adhesive that will stick PP. Simple.

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    Quote Originally Posted by n brown View Post
    araldite , if you can clean off the old stuff well enough.
    + one.

    Colin 😊😊😊

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  5. #15

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    Quote Originally Posted by Byronic View Post
    First you have to identify what it is your sticking.
    Thetford cassettes are PP =polypropylene. Just get an
    adhesive that says "suitable for PP." Loctite make
    a plastic adhesive that will stick PP. Simple.
    This is what I did. Followed the instructions to the letter but it didn't stay stuck!

  6. #16

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    Quote Originally Posted by LindsayH View Post
    This is what I did. Followed the instructions to the letter but it didn't stay stuck!
    That junction you're attempting to bond is easy to stress and, usually the smaller
    pipe will have a flange to give plenty of surface area to bond to the
    large pipe. If it hasn't then plastic welding is the way to go. But
    something has worked on it previously for a while. I wonder if someone
    just hot glue gunned it with adhesive sticks. Araldite if built up to
    form a fillet may work but it's not normally the best for PP. The SOG
    connection is usually on the flat top surface of the cassette and
    that has a flanged junction.

    Just noted your other post, I imagine your first priority to be the
    leaking rooflight!
    Last edited by Byronic; 09-08-2018 at 16:32.

  7. #17

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    Quote Originally Posted by Byronic View Post
    That junction you're attempting to bond is easy to stress and, usually the smaller
    pipe will have a flange to give plenty of surface area to bond to the
    large pipe. If it hasn't then plastic welding is the way to go. But
    something has worked on it previously for a while. I wonder if someone
    just hot glue gunned it with adhesive sticks. Araldite if built up to
    form a fillet may work but it's not normally the best for PP. The SOG
    connection is usually on the flat top surface of the cassette and
    that has a flanged junction.

    Just noted your other post, I imagine your first priority to be the
    leaking rooflight!
    Yes indeed, along with power and a fridge! I don't really know what to do about any of it to be honest, and at least the sog outlet is something I can tackle. Although not very successfully it seems
    Go and park under a bridge???
    Thanks for the advice x
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  8. #18

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    Sticky stuff.

    Hi Lindsey. You could try UPVc SOLVENT WELD, it is a glue for plastics used in plumbing. You would have to clean off all the old stuff, and do it in the open air , it is quite pungent. any B+Q, Wickes etc would have it. There is usually a brush in the lid to apply it, and it is fast acting.
    Regards Brian.

  9. #19

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    Quote Originally Posted by LindsayH View Post
    Yes indeed, along with power and a fridge! I don't really know what to do about any of it to be honest, and at least the sog outlet is something I can tackle. Although not very successfully it seems
    Go and park under a bridge???
    Thanks for the advice x
    Re power and fridge - Wildebus makes a well reasoned case for an inverter and 240v fridge here - AC Fridge In Campevan -.Power Consumption Test

    It's advice I've taken. I bought an A++ fridge off amazon. Only 40 litres capacity but enough for milk, butter and my medicine*.

    *Stella Artois

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    Quote Originally Posted by brianl View Post
    Hi Lindsey. You could try UPVc SOLVENT WELD, it is a glue for plastics used in plumbing. You would have to clean off all the old stuff, and do it in the open air , it is quite pungent. any B+Q, Wickes etc would have it. There is usually a brush in the lid to apply it, and it is fast acting.
    Regards Brian.
    Solvent weld probably won't melt PP. It's for PVC.

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