On Monday, April 2, 2018 at 8:21:38 PM UTC-7, wrote:
The 3M heavy duty double sided tape does the job. It’s marketed as mailbox tape or something like that.

If that won’t work, 5 minute epoxy will. Yes, I hear all the cries about broken tail booms, but they haven’t made gliders with those “shear off” tail skids in 30 years so it can’t be that big of a deal.

Contact cement is the way to go if you enjoy wandering around in a huge grass field looking for your tail skid.

That’s my 2 cents, having tried all of these methods.

If you want tape...

3M VHB "Very High Bond" foam tape. Available in different thickness and adhesive types for different uses. It holds the world together, from GoPro adhesive mounts, logo badges stuck on your car to large industrial equipment, .... Multiple resellers including ULine https://www.uline.com/Grp_240/3M-VHB-Tapes Many glider repair shops likely have rolls of this stuff.