Roof Vent Pipe Boot Base Shape Square Base Material Aluminum Cap/Collar Material EPDM Material Thickness 0.3 in For Roof Angle 18 Degrees For Number of Pipes 1 For Maximum Pipe Size 5 3/8 in For Minimum Pipe Size 0 in Base Height 15 in Base Width 15 in Base Diameter Not Applicable Seal Material Silicone Top Opening Closed Application Pipe Vents Product Type Electrical Mast Connection UV Protected Yes For Roof Type Pitched Standards UPC