Roof Vent Pipe Boot Base Shape Square Base Material Aluminum Cap/Collar Material EPDM Material Thickness 0.3 in For Roof Angle 26 Degrees 45 Degrees For Number of Pipes 1 For Maximum Pipe Size 5 3/4 in For Minimum Pipe Size 1/4 in Base Height 8 in Base Width 8 in Base Diameter Not Applicable Seal Material Silicone Top Opening Closed Application Pipe Vents Product Type Standard Master Flash UV Protected Yes For Roof Type Pitched Standards IAPMO (UPC) Listed