Originally Posted by mdarnton

You are right, and it's going to be me. I have been using tape-type patches successfully for years. If you think it's like taping a box you are going to have failures. If you do it right, you will not.

They put in sandpaper for a reason, and you really need to rough up the surface AND removed the oxidized outer layer, so do more than you would every think you need to do. Then after putting the patch on, burnish it in place, thoroughly. If you skip this, it won't stick.

I have had the same experience with both nylon jacket repair tape and adhesive velcro. You MUST burnish adhesives, hard, so that they go into the fabric (or fubber) thoroughly and are defintely pressed in place. I use the edge of a coin for this on all three types, tires, nylon, velcro, and there's never a problem after that. Just laying any of these on with a bit of thumb rubbing won't do it.

If you read reviews of any of these three, you'll see that there are plenty of people who can't get them to stick, but it's not a problem with the adhesive.