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Golite has long claimed to use a special hydrophilic thread that swells when wet and seals the seams on their shelters. I don't know if their thread has real technical merit, or is the product of an ambitious marketing manager, but I do know that I've never sealed the seams on my Golite Hut and Hex and have never had leakage.
So, what is this thread? How come nobody else uses it? And, is it available to the MYOG market?
Cheers,
-Mike
Thru-Hiker has something called Hydrophobe 100% Polyester Thread with Anti-Wicking Finish (near the bottom of the page).
Isn't most thread hydrophilic (i.e. water-loving)?
>> Isn't most thread hydrophilic (i.e. water-loving)?
Yah, I would assume so. In fact, much of the value of seam sealing is to make the thread hydrophobic to reduce wicking.
Nevertheless, counter to the thru-hiker hydrophobic thread, Golite claims that their hydrophilic thread swells when wet and seals the needle holes. Somehow, they seem to get around the wicking problem.
My Golite shelters don't leak. What's going on here?
Can't it be cotton or some cotton/synthetic mix? I don't know any synthetic material with such properties, possibly because it is not a thing one wants in synthetic fabrics. And I doubt they have it made specially for the purpose.
I don't know the secret behind the thread but it sure works in my Hex 3.
Rasant #75 Polyester / cotton core-spun thread, 1000m
Polyester core thread with cotton surface. Use for tent and tarp seams. Cotton expands when it gets wet so seam will be almost waterproof. Use with #90 or #100 needle.
Rasant is certified according to the Oeko-tex Standard 100 for textiles tested for harmful substances.
Color: Black
Thread in a roll: 1000m
Material:70% PES, 30% CO
Buy directly from Australia is cheaper.
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Wool Thermo Zip PoloMerino wool-blend mesh base layer with a 3/4 zip neck for venting and reinforced shoulders for pack-carrying comfort. Weighs 6.3oz | 180g
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