black tar death .. go to homedepot and get a few packs of the wood shims. and a long razorblade gimick in the flooring section used for the 4 inch scraper deal .. remove trim inside and out then start at the bottom in the middle or so cutting the black crap and every few inches insert a wood shim .. not to far or it will break just enuf to keep the black stuff seperated go one direction to the corner then then other side . then continue evenly up each side..then you can start to push the shims in further to pull it away letting th tension on the glue do the work for cuting once you get the botom and 2 sides free it should kinda swing out and up while running a razor along the glue ..then clean everything off and your gold .. you can use a good black 100% silicone to resintall them when it comes time..