That's about the same price as the stuff I listed. It runs $18.77 for a 12" x 15' roll. I'll have to go to Lowe's and take a little of my duct insulation with to compare them.
Right. I just realized the one you posted was a 15' roll.
The only thing about the Thermwell is that it's pretty thick to be used as a deadener (1/8"). I only put 2-3 layers of Peel-n-Seal inside my door panels and it was a tight fit getting them back on. Just something to keep in mind. If you use it let us know how it works!