RTV = Room Temperature Vulcanizing. It is adhesive silicone rubber caulk, made by several manufacturers, GE, Permatex, etc. It goes on in a paste and 'dries' to a rubbery solid. Clean the area well with alcohol or a drying solvent before applying. Smells like vinegar while curing.

University of Da Nang Class of '68 In the End, the Captain stands alone... " Fat, drunk, and stupid is no way to go through life, son." Dean Wormer