hi, anyone have any ideas as to how to fix window boards(interior) onto conservatory dwarf walls?..i obviously do not want to screw them on..i am assuming the best/correct way is to "glue" them down in some way..if so..what type of glue/fixative would be best? actual brand names would be most welcome..the boards will be 200mm wide & just under 5mtrs in length..many thanks in advance