Finally was able to have one of two local chimney guys come to my house and he wanted to sell me the liner he says he almost exclusively installs and it was a Homesaver Ultra Pro. It is a .006 liner. The kit cost he said was about $1600. I then asked about a heavier liner and he had a sample of a "heavy" liner he recently had installed, it was a cutoff from it, and it was .010 he said and it withstood me bouncing on and didnt even think about crushing. It was Homesaver as well, just can't remember if it was their "ultrapro" line or not. That kit was about $2500. Would you happen to have any opinion on that manufacturer or advice? He took those numbers straight out of his sales catalog from the manufacture right in front of me so he wasn't marking them up on the spot.It should be a kit sold with the liner.