MYOG

8:44 a.m. on December 13, 2017 (EST)
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I was going to resurrect an old thread from 2015 but it was closed for comments.  We all receive items in the mail and many times the package is a tyvek mailing envelope.  I normally throw them in the trash but I thought about re-purposing them instead of adding them to a landfill.  I recently made two stuff sacks using legal size priority mail envelopes (used).  I searched youtube and found a method that requires sewing but I thought that would be tedious.  I opted for an all tape method using Duck brand double sided tape (the kind that's in the window insulator kits sold at stores) and a roll of tyvek tape I picked up at HD (the tyvek tape is super tacky).  It took about 20 minutes to make two sacks and I had some scrap guyline which became the drawcord.  You can use linelocs to lock it down once it's cinched up, but I just tie an overhand knot and it works just as well.


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9:37 a.m. on December 13, 2017 (EST)
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I've done this as well. Also repurposed Fedex envelopes into small groundcloths to serve as a doormat or to set my pack on.

9:39 a.m. on December 13, 2017 (EST)
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Good idea 

9:12 p.m. on December 13, 2017 (EST)
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I just found out about using a double tape called Seamstick which is used for sailmaking. The tape is tacky enough that the tyvek will delaminate before the tape fails.  Amazon has it or Sailrite. 

11:59 a.m. on January 21, 2018 (EST)
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Had to have surgery on my left foot so I have much time to kill while it heals.  Here's a couple of things I made to pass the time:


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.51 oz per sq yd dyneema composite fabric (DCF) stuff sacks in various sizes.  I bought a squared yard of the material from Zpacks along with linelocs.  I bought spectra line from www.antigravitygear.com because of it's slick nature.  It can be purchased in 1 foot increments.  Zpacks no longer sells material but DCF can be obtained from www.ripstopbytheroll.com


20180120_155308.jpgMade a wallet out of tyvek.  Folks who have a creative streak can decorate tyvek in any manner they desire.  Empty, it weighs 0.2 grams.  It will keep your money from getting damp with perspiration while you hike. 

7:57 p.m. on February 19, 2018 (EST)
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I can't wait for the socks ! :)

8:43 p.m. on February 20, 2018 (EST)
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~9 months a year I sleep under a tarp with my homemade Tyvek 1443r bivy. If memory serves me right, I believe it weighed in around 6oz.

The zipper has blown out (which I won't use when I build v2.0), but I otherwise find it to work well with my system.
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12:59 a.m. on February 21, 2018 (EST)
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I like the idea of a Tyvek bivy, do you think it breaths as well as Goretex?  I'm inspired to go out and get some Seamstick and Tyvek and see what gear I can make up.

11:03 a.m. on February 21, 2018 (EST)
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That bivy is pretty neat. I think with something large like the bivy, it would be better to use a combination of sewing and seamstick to make it more durable.

2:05 p.m. on February 21, 2018 (EST)
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Nice work Sean!

Mike, the thinner and lighter 1443r tyvek is somewhat breathable, but the thicker tyvek used for house wraps and Fedex envelopes and such is not.

9:53 p.m. on February 21, 2018 (EST)
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Yep, on the 1443r. I have never noticed condensation inside the bivy, and this material will eventually wet out, but it does a fine job increasing weather resistance. 

Regarding the wear, I have found the Tyvek tape to be stronger in ALL areas over any sewing that was done. One will destroy the material before that tape gives way...

10:48 a.m. on February 22, 2018 (EST)
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Oh yes, now I noticed the Tyvek tape in the photos. I have a roll of it and it definitely is very tacky. I have a Frogg Toggs ultralight rain jacket and pants I keep in my car for unexpected rain showers.  I've reinforced certain areas of the jacket and pants using the Tyvek tape and it works great.

June 27, 2019
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