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Repairing a leak in my Thermarest
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Home › Forums › Gear Forums › Gear (General) › Repairing a leak in my Thermarest
- This topic has 5 replies, 6 voices, and was last updated 7 years, 9 months ago by Jerry Adams.
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Jul 19, 2016 at 8:46 pm #3415120
My 5 year old prolite has a abrasion or cut that is about .25 inches long. Is there a permanent repair that I can do for this? I was thinking about cleaning it with alcohol and applying some seam grip. Should I add a patch of tenacious tape as well?
Jul 19, 2016 at 9:04 pm #3415129Seam Grip alone should work. In the field, Tenacious Tape helps so you can sleep on it right away, but at home, where you can let it cure for a day or two, Seam Grip should be sufficient.
Jul 19, 2016 at 9:04 pm #3415130I’ve not used one myself, but Thermarest makes what they call a “Permanent Home Repair Kit” in addition to their field repair kit.
Jul 19, 2016 at 9:07 pm #3415131seam grip generously applied with a patch on top, also liberally applied and sealed off with seam grip
;)
Jul 19, 2016 at 9:09 pm #3415132There is a repair kit at many gear shops with patches and adhesive. When my Nemo Zor split about an inch (dog?), they sent me the same thing I already had bought at a shop.
They come with directions, and yes, clean with 91% Isopropyl alcohol found in Walmart, etc. Also deflated the pad and clamped the patch until dry (over waxed paper).
I think these kits use cyanocrylic glue, which is stronger than PU or Epoxy for this application. A slit in the side of my old inflatable Dolphin II kayak could only be repaired with the cyanocrylic.
The rubberized cyancocrylic that Roger Caffin recently posted about on MYOG might be even better, as it has more flex.
But the repair on the Zor seems to be working fine.Jul 20, 2016 at 7:05 am #34151940.25 inch long?
How wide? Â Just a slit that stays closed by itself? Â Just let the matt sit flat on a table so no air will go in or out and put a little Seam Grip on to close it. Â You don’t want Seam Grip flowing into the matt. Â When it’s cured, put a second coat, make sure it goes 0.5 inch in every direction, really smear it with finger so it makes good contact. Â Cure over night. Â Rub some powdery stuff on it so it doesn’t stick to itself although that’s not really an issue in this case. Â I’d let it cure for a couple days before rolling it up or putting air into it.
I’ve patched my Thermarest with Seam Grip and it’s worked for years. Â Pinhole.
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