We’re pleased with the results of using Instabind to protect the edge of a carpet remnant that we bought for our basement.  In addition to the Instabind, I got a Surebonder PRO4000A glue gun, since it could take the long nozzle that Bond Products sells for use with Instabind.

The video below helped in figuring out how to deal with joining the two ends.

[youtube]http://www.youtube.com/watch?v=yqQPMvDtc_s[/youtube]