I am installing wainscot on a living room wall and would like some advise as to what I do when one wall ends that's butted up to another that I am not applying wainscot. Also, doing outside corners with beaded wainscot that can not be cut with a mister saw. Would I use a small trim on the corners to cover up where the wainscot meets? I know this is suppose to be easy but I want the corners to look right. I would appreciate any advise from anyone who has encountered this problem. Thank you!