Personally I like to shoot expanding foam, aka Great Stuff, behind the handle. As it expands it will push the handle off. Takes overnight though.
If you want faster results, use this: Sika Post Mix
That stuff expands like crazy, and is available at your local "You can do it, we can help" store.
If you want faster results, use this: Sika Post Mix
That stuff expands like crazy, and is available at your local "You can do it, we can help" store.