Hello! Can anyone give knowledgeable, experienced advice on how the wood roof trusses are tied into the side wall on my 2017 Cherokee Wolf Pup. I plan to hang a full 7FT long curtain rod (full width of TT). I want to screw it into the ceiling wood boards where the trusses meet the side wall. I want to know what the thickness and width of the wood in the ceiling where it meets the side wall, so I can select the correct base size (screw separation) of the ceiling mount Curtain rod brackets. Attached is a marketing photo of Cherokee's roof trusses, but I can't see the area where the trusses tie into the side walls. I understand that the roof "bows" are 1"x2" but want to know what the roof to side wall wood is sized at (see my PDF sketch). Also is a link to a PDF pencil sketch of what I am trying to do. Thanks for your advice!