I was watching Mike Clelland's videos and saw he takes tyvek tape on backpacking trips. Anyone know what that is good for patching? Does it stick to silnylon and/or cuban fiber? How is it better than duct tape?

I always wondered the same thing too.

Tyvek tape is the bomb! It has a permanent waterproof adhesive meant for weather proof construction applications---it will not turn gummy, dry out and and fall off like duct tape. It will definitely stick to silnylon. I use it to patch my water bladders, has held up for 2+ years at this point, still 100% water proof and bonded. No seam sealer. Just clean the area and tape it. You can use it to patch rain gear and it won't fall off in the wash. Patch your tarp, bivy, sleeping bag, etc.

The only problems are that it costs more than $20 for a roll and is impossible to find at a normal hardware store, try online. One roll will likely last you a lifetime.

Thanks for the info! My local Home Depot has it and I am going to pick some up.

+1 for tyvek tape being the bomb!

Fixes leaky inflatables and much much more.

Thanks for the info folks. I found some at Lowes for under $10.