Previous Product Next Product Attic Roof Vents Keep a proper airflow circulating in your attic with Rigid Extruded Polystyrene roof vents. Category: Insulation Tags: Air Flow, Attic, Insulation Related products InsulationQuiet Zone Insulation Read more Building Materials, InsulationSOPRA-XPS 20 Insulation board Read more Insulation, Building MaterialsSOPRA-XPS 30 Insulation board Read more