Originally Posted by bcrittendon
I did the same with the sawzall.
Did you have any trouble with the oscillating tool following the curve?
Did you have as wide a band? I have about 3" of "rubber" to cut. i will gladly buy a reciprocating tool if it can cut that deep.
Sorry, I just read your thread again and didn't realize you have a flange. My top shown is the old style, NO flange, similar to Cyrull above. These have a band around the outside which sandwiches the top to van and then screwed from outside. I've never removed a reverse flange top. However, I think the mounting process is far superior and leak resistant. (And possibly far superior in difficulty to remove!)
Here is a pic of my roof post removal. You can see the sealant was only applied at the outside edge on a non-flange top.
The oscillating tool may still help you, but you'd have to go in from inside and outside to try and get through the full 3 inches under your flange.
Post some pics of your top if you can, as it always helps visualize the problem.