If they are like mine they are in a fuzzy rubber gasket. Try some dry lube on them and That should wake up the rubber. As for leaking, I am thinking that you mean rain is leaking..? If so look at the bottom of the frames and you should have a couple of narrow slots on the bottom and they need to be cleared of any leaves or dirt. Mine did that when we first got Dusty. If you are talking about the fuzzy rubber pieces that are mounted to the glass it self between the two panes, Should be able to get them at any glass shop. You will have to take out the window frame and all to get to that gasket. Once out you can pull the gasket off the window and take it down to your glass store and they can help from there. Good luck, Dan