Hello,we are looking at a log home but there is an issue i,m afraid my not be able to be fixed.there is a sliding door,so obviously ends of logs,directly under this opening is a 16 ft garage door.needless to say it has sagged…a lot.you can look across the length of the house and see the logs have sagged about 3 inches.there is a gap under the slider and daylight comming thru between the metal roofing and the rafters over this area.i think it can be jacked up but the logs not being straight an