US Patent No: 10,060,143 B2HEUS -Horizontal Edge UnderlaymentMODULAR - Lineal Ft. / Box1000 MODULAR RAKED - LF/Boxn/aCLOSURE - Lineal Ft. / Box1000UTILITY - Lineal Ft. / Box1000 NORMAN - Lineal Ft. / Box1000