So, with Spray Foam Insulation, you could nonetheless have soffit vents and ridge vent. The true secret is to make sure that spray foam insulation (or every other insulation for that matter) doesn’t block the soffit vents. Should you’re changing your outdated roof, begin by removing the prevailing shingles, underlayment https://localmetalroofers10098.laowaiblog.com/28219607/the-fact-about-local-metal-roofing-contractors-that-no-one-is-suggesting