So, with Spray Foam Insulation, it is possible to still have soffit vents and ridge vent. The main element is to make sure that spray foam insulation (or almost every other insulation for that matter) doesn’t block the soffit vents. The roof decking may be the layer of plywood or https://cristiankeula.onzeblog.com/28771829/rumored-buzz-on-metal-roof-replacements