I have an existing pole building with original roof from approx 1992. It has 4' on center trusses and is 24x32 with 8'2" floor to trusses. It needs a new roof and i'm thinking next spring is the time. I plan to insulate the pole barn and add an open air carport to the side at the same time, but i'm not sure what do do about roof ventilation. Existing roof has a 2 foot soffet in the front and that's it. there's no rear soffet, no gable vents, and no roof vents. With the addition of the carport, adding gable vents i would assume are out of the equation. is adding a ridge cap roof vent my best answer? what do i do about the back side of the pole barn where there's no soffet? what are my options here? I'd appreciate any input.