Tape for silnylon?

[Matt Swider]

I recently purchased a used tarptent contrail in good condition,except for the stuff sack. The sylnylon is coming apart on the stuff sack where the drawstring is in a couple of places.  I have sewn a few things, but my preference would be to just tape this back together.   I suspect that most tape adhesives will not stick very well to the silnylon though, so before I experiment with various types I thought I would ask the smart folks on here.  Tape I already have includes cuben from zpacks, tyvek, and 3m (scotch) transparent duct tape from a MYOG tarp.

I did a bit of searching and found a thread from a few years ago, https://backpackinglight.com/forums/topic/62362/ , perhaps Permatex Flowable sealant could be a tape substitute, or at least provide a bit more something for sewing to hold onto?  Or maybe there are other tapes on the market now.

thanks, Matt

[Jerry Adams]

yeah, Permatex, or Silnet, or silicone:mineral spirits 1:10

what do you mean the silnylon is coming apart?  Probably just best to replace the bag.  The drawstring would probably quickly destroy any repair.  Not that difficult to make a replacement or buy one

[Franco Darioli]

You can get a new one from TT for $5 plus postage. (under Extras)

Probably less expensive than buying tape.

[Matt Swider]

what do you mean the silnylon is coming apart?

The woven material pulled out from the stitching because of the stress of the pull of the drawstring.  It is a small section, and I have some Permatex, so I will likely give that a shot for starters.  If that does not hold then Franco’s idea sounds good, assuming the tarptent webstore is back online by then.  I can’t access it from my home presently . . .

[Matt Swider]

The permatex seems to work well on its own, guess I answered my own question here.

[Tipi Walter]

I fixed a rip on my Hilleberg tent’s silnylon Kerlon fly using your standard ripstop repair tape and McNett’s silnet seam sealer.  Both together work perfectly.  As far as I know there is no repair tape which will work with silnylon as a stand-alone tape, not even the highly vaunted Tear Aid Type A.

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