I started on reglazing the 10 window sashes from my back porch (the now infamous pocket windows). They are 6 pane windows. Tonight I worked for almost 2 hours... ...and didn't even get the glass out of one. I was using a heat gun (on low, the gun is kinda busted and only works on low) to heat up the putty then I was trying to get it out with a scraper. I broke 2 panes of glass (it's okay, I'm planning on ordering a stack of panes...), but then I got a bit smarter about it and changed the way I was working - heating up the wood, not the glass. It's still taking too long, for a couple of reasons. The glass is almost exactly the size of the opening - virtually no gap. Also, the glass was never bedded, it only has glazing on the outside (seems to make the glass very fragile).
Has anybody done a lot of glazing? Any advice?