The Male Component of a Slip Joint (20M Series) has a perforated flange 1-3/4″ (44mm) and an unperforated area 3/4″ (19mm).
All butt joints, intersections and ends shall be caulked at the time of installation using our elastomeric sealant PC-TS00215.  A PVC Accessories designed to be used with slip joints, reveals and more.
Contact us for more information on PVC Accessories by Plastic Components.