Lstiburek 20% Unvented Ratio for a Vented Roof?

I made a inquiry with a company that makes batt insulation looking for a list of dealers. This progressed into an application/installation discussion.In the latest email the company sent me… I made a inquiry with a company that makes batt insulation looking for a list of dealers. This progressed into an application/installation discussion.In the latest email the company sent me…Read MoreGreenBuildingAdvisor