repair material for old Scarpa Inverno boot cuff

Discussion in 'General Discussions' started by sandstone, Jan 17, 2018.

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  1. sandstone

    sandstone New Member

    I've got an old pair of Scarpa Inverno plastic boots that I'll never wear again, but I keep them around to loan out to friends who don't have ice gear. The purple cuff of the shell has a bad tear, and I'd like to repair it, or replace the cuff. Has anybody done this?

    I did google searches on repairing Invernos (and Vega, the European name for this boot) and came up with nothing.

    The plastic cuff is molded from Pebax (polyether block amide). On the Loctite website I found that their 401 Prism cyanoacrylate glue will bond well with Pebax. If I had a thin sheet of pebax (or similar material that will bond well with Loctite 401) I could glue a patch over the tear. So far I've come up blank on finding material to use for the patch. Any ideas?

    [​IMG]
     
  2. Judi Rudd

    Judi Rudd Member

    The exact same thing has happened to my Scarpa Inverno's. Did you make any progress having yours repaired?
     
  3. Tom DuBois

    Tom DuBois Active Member

    My experience is that glue joints often don't hold up to hard use, especially in footwear.

    Consider getting a pop rivet set. Then pirate a cuff from a junk boot, make a patch, glue it, and then drill and rivet it. It will probably hold up better than glue alone, and it will be less sensitive to whether the material is an exact match.
     
  4. sandstone

    sandstone New Member

    No progress Judi. There are no ski shops anywhere near me, so finding an old set of boots to cut material from is not happening, and I wasn't able to find a source that sells small sheets of Pebax.
     
  5. Judi Rudd

    Judi Rudd Member

     
  6. Judi Rudd

    Judi Rudd Member

    I have just got off the phone with the technical support division of Loctite here in Australia.

    He said that the 401 isn't suitable for what we want it for, as it dries superfast, and dries brittle.

    He recommended the 480 (dries black), and 435 (dries clear), as these are both rubberised, and are shock/impact resistant. They also take a little longer than the 401 to dry.

    I told him I intended to get a shoe repair place to do mine, with a butt join on each boot, covered with tenacious tape.

    As the 401, 480 and 435 come in a 25ml package, (we wouldn't use that in a lifetime), he suggested another Loctite product, Powerflex, which is also rubberised, and comes in a 3ml container. It too is a clear gel.

    The Scarpa Inverno are no longer sold in Australia, only the Phantom, at around $1000 a pair, and they don't come in women's sizes.

    I wore my boots with duct tape on them last trip to Aconcagua. Thank goodness for expedition leaders and duct tape at Base Camp. (If he hadn't tightened the wing nut on the back of the crampons they may not have split!).

    Wish me luck boot repair wise, and Aconcagua wise.
     
  7. Judi Rudd

    Judi Rudd Member

    I think mine trump your shiny clean ones.
     

    Attached Files:

  8. sandstone

    sandstone New Member

    I would not expect much from a butt joint. That's why I was looking for some repair material to span over the joint to strengthen it.

    That was not a photo of my boots, it was just an image I grabbed off the net so people could see the model of boot I was looking to repair.

    Good luck!
     
  9. Judi Rudd

    Judi Rudd Member

     

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