sagging rafters

I have a 40 year old house in Southern Ontario with a belly in it. It runs from ridge to the facia and from gable end to gable end. The trusses appear to be hand cut and made on site. What would be a way of taking the belly out of it. They used 1x6 boards to cover it. I tought of laying out a...

Ridge beam, shmidge beam. Who needs them? And, aren't collar ties the answer for all sagging roof systems? Those questions are among framers' most commonly asked. And also a hot offshoot of the recent post on over-engineering. As promised in that thread I dusted off the column I wrote a...