Mod Bit Section 4: Vapour Retarders PDF Chapters:General Common Elements of Application Existing BUR Membranes as Vapour Retarders Minimum Recommended Vapour Retarders for Wood Decks Minimum Recommended Vapour Retarders for Concrete Decks Minimum Recommended Vapour Retarders for Steel DecksOther Roof TypesSBS Modified Bitumen RoofingRoof DecksControl Joints, Perimeters & PenetrationsSeparator Sheets and Auxiliary Leveling SurfacesVapour RetardersInsulationMembraneMembrane FlashingSheet Metal FlashingProtected Membrane and Combination DesignsRe-RoofingVegetative (Green) RoofingMaintenance and ModificationsThermoplastic RoofingRoof DecksControl Joints, Perimeters & PenetrationsSeparator Sheets and Auxiliary Leveling SurfacesVapour RetardersInsulationMembraneMembrane FlashingSheet Metal FlashingProtected Membrane and Combination DesignsRe-RoofingVegetative (Green) RoofingThermoset Membranes (EPDM)Roof DecksControl Joints, Perimeters & PenetrationsSeparator SheetsVapour RetardersInsulationMembraneMembrane FlashingSheet Metal FlashingProtected MembraneRe-Roofing