Originally Posted by ecoastpro
Thanks for the info...very helpful. I have 20' of ridge over house. Roofer said that is enough to vent attic with ridge vent. We have soffits. Any additional feedback / advice would be appreciated.
Depending on the width of the ridge opening, that may be enough.
If you are going back with asphalt, keep in mind that ventilation will be a bit more important to allow for some convective air movement in the attic.
What are you putting back? I would hate to see asphalt back on in lieu of what was previously attractive shake.