Hi all,
I found this source for Kapton tape, good choice of width's and reasonable prices.
http://www.ebay.com/sch/m.html?_odkw=&_ssn=leo_jia&_armrs=1&_osacat=0&_from=R40&_trksid=p2046732.m570.l1311.R6.TR12.TRC2.A0.H1.Xkapton.TRS0&_nkw=kapton+tape+20mm&_sacat=0
Use it at you're convenience.
Camillus Blockx