Can someone explain why RV sealant / caulking is seemingly inferior compared to standard commercial / residential exterior window caulking that generally lasts 20 YEARS with shrinking or cracking? ...
Choose from the first five or six on this page or use Geocel Proflex RV. The polymer sealants don't crack or need touchup. If sealing on the EPDM membrane through holes, do yourself a favor and seal everything with Eternabond tapes.
