Ends 4/1. Amazon with Trailer Accessories has the RISTOW 2" x 60ft Weatherproof RV Roof Sealant Tape for $30.99 - 50% off coupon (check "Apply coupon" box) = $15.49 with free shipping on $35+ or with Prime. Used to seal RVs/RV roofs, metals, trailers, trucks, rubber, etc.